GTS Mod 11 Specific

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What is the primary reason for ensuring the engine has cooled sufficiently before conducting maintenance?

To prevent injury from burning due to high temperatures (correct)

To prevent contamination of the engine oil

To increase the efficiency of maintenance procedures

To prevent fuel leaks during maintenance

Why is it important to relieve pressure before disconnecting fluid lines?

To protect against electrical shocks

To keep the maintenance area clean

To prevent spraying of hazardous fluids (correct)

To avoid contamination of aviation turbine fuel

What should be checked before commencing inspection or system operation?

The pressure of the fuel lines

The temperature of the engine

The Aircraft Maintenance Directive (AMD) (correct)

The availability of spare parts

Why is configuring/checking the aircraft with isolation tags important?

To prevent inadvertent operation of systems Signup and view all the answers

What is the main concern when removing components or assemblies from the engine related to fluid lines?

Risk of personnel coming into contact with aviation turbine fuel or engine oil Signup and view all the answers

Why should trainees revise the learning from training before commencing practical activities?

To avoid safety hazards associated with engine maintenance Signup and view all the answers

What is the primary purpose of establishing maintenance philosophies and developing plans and procedures?

To describe the maintenance function and purpose of each organization forming the total maintenance support structure Signup and view all the answers

What is the role of ADF engineering staff in developing maintenance requirements?

Developing specific maintenance requirements considering unique aircraft operating requirements Signup and view all the answers

What type of maintenance is usually carried out by civilian contractors?

Deeper Maintenance Signup and view all the answers

Which level of aviation maintenance generally involves application servicings, such as Operational, Routine, and Special Servicings and Special Technical Instructions (STIs)?

Operational Maintenance Signup and view all the answers

What is the importance of having an effective working knowledge of a specific powerplant system?

It enables efficient troubleshooting and reduces maintenance effort Signup and view all the answers

Which of the following is not a responsibility of aircraft technicians in the context of gas turbine engines?

Developing maintenance philosophies and plans Signup and view all the answers

What is the primary purpose of preventative maintenance?

To prevent a failure from occurring during operation of an aircraft or component Signup and view all the answers

What type of maintenance is carried out to restore an item to a satisfactory condition or level of performance?

Corrective maintenance Signup and view all the answers

Which of the following is an example of preventative maintenance?

Servicing components and systems Signup and view all the answers

When is corrective maintenance performed?

After a functional failure has occurred or when a potential failure is detected Signup and view all the answers

What is the purpose of a maintenance schedule in aviation?

To ensure that components have an optimum level of performance for the greatest amount of time Signup and view all the answers

Which of the following is NOT a type of maintenance used in the ADF to maintain aircraft and aircraft components?

Restorative maintenance Signup and view all the answers

What is a key consideration regarding engine maintenance according to the text?

The type of aircraft the engine is installed in Signup and view all the answers

Why are servicing interval timings varied from engine to engine as mentioned in the text?

To maximize engine life based on operational variations Signup and view all the answers

What aids in forecasting and executing maintenance tasks?

Information from various sources including manufacturer's instructions and ADF aviation publications Signup and view all the answers

What is the significance of following the manufacturer and ADF's specific servicing schedules?

To comply with regulations and ensure proper maintenance Signup and view all the answers

How do maintenance schedules aid in aviation maintenance according to the text?

By listing intervals and procedures for required maintenance Signup and view all the answers

What determines the loads placed on an aircraft's powerplant during different flight types?

The type of aircraft operation such as cruise, commuter, trainer, fighter, or helicopter Signup and view all the answers

What is the main purpose of carrying out preventative maintenance on aircraft components?

To prevent failures during operation Signup and view all the answers

When is corrective maintenance typically performed on aircraft components?

After a potential failure is detected Signup and view all the answers

What is the purpose of a maintenance schedule in aviation maintenance?

To optimize performance over time through regular servicing and inspection Signup and view all the answers

What distinguishes preventative maintenance from corrective maintenance?

Preventative maintenance is carried out before potential failures Signup and view all the answers

In the context of aircraft maintenance, when is the decision made to carry out corrective maintenance?

After a functional failure is observed Signup and view all the answers

Why are maintenance tasks carried out at operational and deeper levels of maintenance?

To ensure components have optimum performance for extended periods Signup and view all the answers

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out?

Engine hours Signup and view all the answers

What is the main purpose of recording engine starts for a gas turbine engine?

To record high thermal stresses Signup and view all the answers

What triggers the start of a Blackhawk engine cycle?

When the Exhaust Gas temperature (EGT) rises past a certain temperature Signup and view all the answers

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out for an F-111 aircraft engine?

Pre-determined time Signup and view all the answers

How often is an Overhaul (OH) carried out for an F-111 aircraft engine?

Every 1500 engine hours Signup and view all the answers

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out for an engine with a modular design?

Engine hours Signup and view all the answers

What type of methods are used for inspecting gas turbine engine components?

Magnetic particle, dye penetrant, ultrasonic, and X-ray Signup and view all the answers

Who is allowed to use magnetic particle, dye penetrant, ultrasonic, and X-ray equipment for inspections?

Only qualified personnel Signup and view all the answers

What is emphasized in determining the serviceability of gas turbine engine components during inspections?

Safety requirements compliance Signup and view all the answers

Which method of visual inspection includes dimensional analysis of gas turbine engine components?

NDT Signup and view all the answers

What is an essential aspect to consider for inspecting gas turbine engine components?

Interpretation of indications Signup and view all the answers

What is the initial step in the inspection of fire detection and protection systems?

Inspecting mechanical parts of the systems Signup and view all the answers

Why is it essential for maintenance personnel to consult the appropriate manuals when inspecting fire detection systems?

To identify the types and models of systems accurately Signup and view all the answers

What is a crucial task in inspecting a fire detection and protection system according to the provided checklist?

Verifying extinguisher bottle contents Signup and view all the answers

Why must maintenance personnel examine all clamps and grommets (bushings) during a fire detection system inspection?

To ensure the sensing element is secured in place Signup and view all the answers

What is the purpose of checking end fittings and sensor connectors during a fire detection system inspection?

To ensure proper safety and tightness Signup and view all the answers

Why do maintenance personnel need to examine bulkhead fittings and supports when inspecting fire detection systems?

To ensure security of fittings and supports Signup and view all the answers

Which type of oil filter requires a holding fixture for inspection?

Disc filter Signup and view all the answers

What is the primary purpose of inspecting a filter for wear debris?

To assess the filter's serviceability Signup and view all the answers

Which of the following is not a step in the typical oil filter maintenance procedure?

Cleaning the filter with a cleaning agent Signup and view all the answers

What type of filter requires inspection for foreign material and wear debris on each disc?

Disc filter Signup and view all the answers

Which of the following is the primary purpose of cleaning a filter?

To remove debris from the filter Signup and view all the answers

What is the primary concern when removing components or assemblies from the engine related to fluid lines?

Preventing fluid leakage Signup and view all the answers

What safety precaution should personnel observe to prevent injury if the engine has been recently operated?

Ensure the engine has cooled sufficiently Signup and view all the answers

What is a potential risk for personnel when removing components from the engine?

Contact with aviation turbine fuel or engine oil Signup and view all the answers

Why should maintenance personnel ensure that the pressure has been relieved before disconnecting fluid lines?

To ensure safe removal without spills or injuries Signup and view all the answers

What should maintenance personnel always check before commencing inspection or system operation?

Aircraft Maintenance Data (AMD) Signup and view all the answers

Why should aircraft be configured/check with isolation tags before maintenance activities?

To prevent unauthorized personnel access Signup and view all the answers

What additional detailed information is provided on safety precautions for gas turbine engine maintenance?

Further details on specific safety measures Signup and view all the answers

What precaution should personnel take when handling sharp components in a gas turbine engine?

Always ensuring correct tooling is used Signup and view all the answers

Why is it necessary to ensure the correct tooling, hoists, jigs, or slings are used when working on an engine?

To prevent accidents and ensure safety Signup and view all the answers

Why should maintenance personnel check the serviceability of tools before using them for maintenance tasks?

To ensure safe and effective use of tools Signup and view all the answers

When selecting slings, hoists, and jigs for maintenance tasks on a gas turbine engine, what should personnel primarily consider?

The recommendations in the maintenance manual Signup and view all the answers

What precaution should be taken regarding general purpose slings, hoists, and jigs when choosing equipment for maintenance tasks?

Follow recommendations in the maintenance manuals strictly Signup and view all the answers

Why do maintenance manuals emphasize using only specific slings, hoists, and jigs for tasks involving gas turbine engines?

To ensure compliance with safety regulations Signup and view all the answers

What is the primary concern when handling damaged transformer units during engine maintenance?

They may contain radioactive material such as Caesium-barium 137 Signup and view all the answers

What must be ensured before performing maintenance on a gas turbine engine ignition system?

The ignition system is turned off Signup and view all the answers

What is the main concern when handling unserviceable igniter plugs during engine maintenance?

They may contain toxic material such as aluminium oxide and beryllium oxide Signup and view all the answers

What precaution must be taken before test firing an installed igniter in a gas turbine engine?

The combustion chamber must not be fuel-wetted Signup and view all the answers

What must maintenance personnel do with unserviceable igniter plugs during engine maintenance?

Dispose of them according to authorized procedures Signup and view all the answers

What is the main concern when handling high energy ignition units during engine maintenance?

They produce lethal charges Signup and view all the answers

What is the efficiency range of a compressor in good condition?

80% to 90% Signup and view all the answers

What can lead to compressor efficiency falling below 100%?

Increased blade tip clearance Signup and view all the answers

How can compressor efficiency be enhanced?

Performing a compressor wash Signup and view all the answers

What effect does reduced compressor efficiency have on the power output of a gas turbine engine?

Decreases the power output Signup and view all the answers

What can result in an engine providing more than 100% efficiency?

Achieving exceptionally close tolerances during build-up or maintenance Signup and view all the answers

What is indicated by lower than expected EPR (engine pressure ratio) in a turbojet?

Thrust loss Signup and view all the answers

What is the primary reason to maintain compressor blades free of nicks and erosion?

To maintain the efficiency of the engine Signup and view all the answers

What effect does fluid leakage into compressor inlet systems have on the compressor?

Disturbs airflow and affects compressor efficiency Signup and view all the answers

How can blade blending repair of nicks and cuts in compressor blades prevent eventual blade failure?

By removing all scratches and filing marks Signup and view all the answers

What is the consequence of leaving scratches or filing marks after blade blending repair?

Causes eventual failure of the blade Signup and view all the answers

Which of the following is not a factor that can reduce compressor efficiency?

Maintaining compressor blades free of nicks and erosion Signup and view all the answers

What is the primary purpose of blade blending repair?

To blend nicks, cuts, etc. within acceptable limits Signup and view all the answers

What is the primary method of recovering compressor efficiency mentioned in the text?

Injecting water or detergent mix into the inlet air Signup and view all the answers

Which of the following is NOT a component checked for serviceability during compressor inspection?

Fuel pump efficiency Signup and view all the answers

What is the main purpose of compressor washing?

To recover compressor efficiency Signup and view all the answers

What is NOT checked for during compressor serviceability inspection?

Fuel pump efficiency Signup and view all the answers

What is the typical compressor efficiency when the compressor absorbs 90% HP?

90% Signup and view all the answers

What is the main concern when removing components or assemblies from the engine related to fluid lines?

Causing fluid leaks Signup and view all the answers

What is the main purpose of establishing maintenance philosophies and developing plans and procedures in turbine maintenance?

To describe the maintenance function of aviation organizations Signup and view all the answers

Why is distinguishing normal engine performance from abnormal performance important for aircraft technicians in turbine maintenance?

To enable efficient troubleshooting Signup and view all the answers

What is the primary difference between Operational Maintenance (OM) and Deeper Maintenance (DM) in aviation maintenance?

OM supports operational units, while DM involves major maintenance, repair, and modification Signup and view all the answers

Why do substantial engineering efforts go into devising maintenance intervals for gas turbine engines and their components?

To ensure proper maintenance planning Signup and view all the answers

Which activity is typically NOT part of Operational Maintenance (OM) in the ADF?

Major Repair Programs Signup and view all the answers

How do manufacturers and ADF engineering staff collaborate in setting maintenance intervals for gas turbine engines?

Manufacturers provide baseline values, while ADF staff develop specific requirements Signup and view all the answers

What allows modern gas turbine engines like those in F/A-18 Hornet, Blackhawk, and Seahawk to be easily maintained without the need for total engine overhaul?

On condition maintenance Signup and view all the answers

In gas turbine engines, what is the primary function of the modularized engine design?

Facilitate easy interchange of engine parts among different aircraft types Signup and view all the answers

What technology is commonly used in modern aircraft to monitor and record gas turbine engine condition and faults?

Microcomputer systems Signup and view all the answers

How do many modern gas turbine engines differ from traditional engines in terms of maintenance scheduling?

They can be overhauled 'on condition' Signup and view all the answers

What specific feature of modern gas turbine engines helps in preventing total engine overhaul by allowing individual modules to be replaced as needed?

Modularized engine design Signup and view all the answers

What is the significance of microcomputer systems in modern aircraft engines?

To monitor and record engine conditions and faults Signup and view all the answers

What is the primary risk for maintenance personnel when removing components from a recently operated engine?

Burning themselves on hot engine components Signup and view all the answers

What is the main concern when disconnecting fluid lines during engine maintenance?

High-pressure fluid causing injury Signup and view all the answers

What precaution must be taken before commencing inspection or system operation in an aircraft?

Checking AMD and configuring the aircraft with isolation tags Signup and view all the answers

What is the primary purpose of blade blending repair during engine maintenance?

To reduce the risk of blade failure Signup and view all the answers

What is the primary method of recovering compressor efficiency mentioned in the text?

Compressor washing Signup and view all the answers

What is the efficiency range of a compressor in good condition?

Between 85% and 100% Signup and view all the answers

What should be done to avoid damaging the hardened shaft surface when guiding a component from the shaft during spline maintenance?

Guide the component carefully Signup and view all the answers

Why is it recommended to use a seal protector when withdrawing a splined shaft through an oil seal?

To prevent oil from leaking out during withdrawal Signup and view all the answers

What should be considered when supporting a component as it clears the spline during maintenance?

The weight the shaft may be holding Signup and view all the answers

In spline inspection, what types of damage are commonly checked for after component removal?

Chipping, cracking, fretting, or corrosion on splines Signup and view all the answers

Why are frequently removed splined components subject to specialized crack detection methods?

Due to their frequent exposure to high stress Signup and view all the answers

Why is it emphasized to use spline or shaft protection, especially on prop-shafts?

To reduce repair or replacement costs Signup and view all the answers

What is the significance of being able to straighten the gauge when placed in spline valleys?

Suggests the spline is worn beyond limits Signup and view all the answers

In spline installation, why is it cautioned to apply anti-seize grease sparingly to the splines?

To avoid locking against lubricant Signup and view all the answers

What is the general procedure suggested if a close tolerance shrink fit is required during spline installation?

The splined shaft should be heated Signup and view all the answers

Why is it recommended to avoid getting oil on the rear cone or other assembly hardware during prop shaft fitting?

To maintain dryness of specific components Signup and view all the answers

What role does a seal protector play when fitting a spline through an oil seal?

Protects the oil seal from damage Signup and view all the answers

What does dry fitting of a spline during installation entail?

Cleaning the spline of all oil and grease Signup and view all the answers

What is the primary method of measuring spline wear?

Measuring the diameter of the splines with a micrometer Signup and view all the answers

What is the significance of the 20% penetration limit when using a go-no-go gauge?

It indicates the splines are serviceable Signup and view all the answers

What is the purpose of using elastic bands during a spline dimension check?

To hold the pins in place between the spline teeth Signup and view all the answers

What is the process for determining if a spline is serviceable using a go-no-go gauge?

If the gauge fits more than 20% into the spline it is considered unserviceable Signup and view all the answers

What is the role of the maintenance manual in spline dimension checks?

It specifies the tolerance for the spline measurements Signup and view all the answers

What is the purpose of rotating the pins 90° during a spline dimension check?

To take a further set of measurements Signup and view all the answers

What will happen if there is insufficient backlash in the gear teeth?

Premature failure due to forced lubricant from the gear surface Signup and view all the answers

How can a measurable amount of backlash be detected between gears?

By hand, while rocking one gear when the other is held Signup and view all the answers

What is the typical range of backlash a gear may have in inches?

0.003 - 0.004 inches Signup and view all the answers

Which type of maintenance includes activities like oil sampling, filter change, and leak checks in the lubrication system?

Routine maintenance Signup and view all the answers

What are the risks associated with synthetic oil vapors according to the text?

They are highly toxic and present health risks Signup and view all the answers

What is the primary reason to maintain correct backlash in gear teeth according to the text?

To minimize premature failure Signup and view all the answers

What is a key safety precaution to observe when preparing a gas turbine engine for maintenance inspections?

Ensuring the engine has heated sufficiently before maintenance. Signup and view all the answers

Why is it important to relieve pressure before disconnecting fluid lines during maintenance?

To avoid potential accidents or injuries. Signup and view all the answers

What potential risk do personnel face when removing components or assemblies from a gas turbine engine?

Being in contact with aviation turbine fuel. Signup and view all the answers

Why is configuring/checking the aircraft with isolation tags important before maintenance?

To prevent inadvertent operation of systems. Signup and view all the answers

What safety measure should be taken before test firing an installed igniter in a gas turbine engine?

Wearing protective clothing. Signup and view all the answers

Why is it recommended to use a seal protector when withdrawing a splined shaft through an oil seal?

To prevent damage to the oil seal. Signup and view all the answers

What is the primary purpose of gear maintenance in aircraft?

To prevent damage from occurring in the first place Signup and view all the answers

Which of the following is NOT a common activity in gear maintenance?

Increasing gear speed Signup and view all the answers

Which type of maintenance is performed to restore an item to a satisfactory condition or level of performance after a functional failure has occurred or when a potential failure was detected?

Corrective Maintenance Signup and view all the answers

What is the main concern when removing components or assemblies from the gear related to fluid lines?

Making sure the fluid lines are not damaged Signup and view all the answers

What triggers the need for corrective maintenance on an aircraft component according to the text?

A detected potential failure or after a functional failure occurs Signup and view all the answers

What is a typical step in the maintenance procedure for a reusable oil filter according to the text?

Checking each disc for foreign material Signup and view all the answers

When inspecting a disc filter according to the text, what must be avoided to prevent contamination?

Allowing debris inside the disc Signup and view all the answers

What is a distinguishing feature of screw-in filters as described in the text?

They are paper element throwaway type filters Signup and view all the answers

In oil filter maintenance, what is the recommended action after collecting waste oil in a container?

Refill into the tank Signup and view all the answers

What is a critical step to ensure during compressor serviceability inspection as per the text?

Inspecting end fittings and sensor connectors Signup and view all the answers

What should be done with a disposable oil filter after inspecting for wear debris according to the text?

Dispose and replace with a new one Signup and view all the answers

How can the amount of backlash in gears be typically measured?

Using a dial test indicator Signup and view all the answers

What types of routine maintenance are involved in lubrication system maintenance?

Oil sampling, filter change, oil change, and leak checks Signup and view all the answers

What is considered a primary source for determining the correct backlash in aircraft maintenance?

Technical Maintenance Plans Signup and view all the answers

What health risks are associated with synthetic oils according to the text?

Exposure risks through skin absorption and inhalation Signup and view all the answers

How can excessive and/or prolonged exposure to synthetic oil vapors affect individuals?

Health risks due to toxic absorption through skin Signup and view all the answers

What is a common reason for needing to replace engine lubricating oil according to the text?

Introduction of contaminants like fuel into the oil system Signup and view all the answers

What is typically involved in an oil system flushing process as described in the text?

Draining the oil tank, refilling to approximately ½ normal quantity, and then refilling with new oil Signup and view all the answers

What is a key step recommended after servicing an oil system with new oil according to the text?

Confirming correct oil quantity by running the engine up to normal operating temperature Signup and view all the answers

Why are leak and functional checks performed after any lubrication system maintenance?

To check for any leaks or issues after components have been disturbed or replaced Signup and view all the answers

What is a possible consequence of neglecting proper lubrication system maintenance as outlined in the text?

Contamination buildup leading to potential engine damage Signup and view all the answers

What is a potential indication that an oil system may need flushing according to the text?

Mixing high wear debris with fuel in the cooler Signup and view all the answers

What is the recommended action for discharging any electrical charge stored in the system during igniter plug inspection?

Ground the centre electrode and remove the igniter from the engine Signup and view all the answers

What is a potential consequence of failing to ensure proper clearance between the combustion chamber liner and the igniter plug?

Gas loss from the combustor Signup and view all the answers

Why is it important to inspect for fretting of the igniter plug shank during maintenance?

To prevent damage beyond publication limits Signup and view all the answers

What is a critical step to take if an igniter plug shows signs of burning and erosion during inspection?

Discard the igniter plug if damage is beyond publication limits Signup and view all the answers

What should be inspected on an igniter plug to avoid ineffective sealing during installation?

Threads or flange of the igniter plug Signup and view all the answers

Why should continuity of leads be checked with a multimeter during maintenance procedures?

To ensure electrical circuit integrity Signup and view all the answers

What is the primary purpose of performing a functional test on an aircraft engine ignition system?

To test the system's serviceability without cranking the engine Signup and view all the answers

What is the recommended voltage needed for the ignition system to operate?

28 volts DC Signup and view all the answers

What is the purpose of safety-wiring the igniter plug?

To prevent loosening due to engine vibration Signup and view all the answers

What is the main indication that the ignition system is functioning properly during a functional test?

Clearly audible sparking from the igniter plugs Signup and view all the answers

Why should a relight test of the ignition system not provide sufficient confidence in the system's ability to start an engine?

It may not provide sufficient confidence in the system's ability to start an engine Signup and view all the answers

What is the primary purpose of ground-starting the engine during an operational test of the ignition system?

To test the ignition system's serviceability under actual engine starting conditions Signup and view all the answers

What is the correct sequence for removing an igniter plug?

First disconnect the HEIU low tension input lead, then ground the center electrode to the engine, and finally disconnect the high tension igniter lead. Signup and view all the answers

What can overheating of the HEIUs cause during ignition system maintenance?

Overheating of the HEIUs can cause damage to the engine. Signup and view all the answers

What is the primary purpose of inspecting ignition system leads during maintenance?

The primary purpose of inspecting ignition system leads is to ensure they are free from damage or wear. Signup and view all the answers

What maintenance activities are typically required for igniter plugs?

Maintenance activities for igniter plugs include inspection, testing, troubleshooting, removal, and installation. Signup and view all the answers

What is the recommended action for handling unserviceable igniter plugs during engine maintenance?

Unserviceable igniter plugs should be tagged and replaced with serviceable plugs. Signup and view all the answers

What is the primary safety precaution when performing maintenance on an ignition system?

The primary safety precaution is to ensure the engine is not energized during maintenance. Signup and view all the answers

What is the primary reason for using rigging pins or specific GSE during engine control rigging?

To ensure correct position of control linkages Signup and view all the answers

Why must the stops on the engine fuel control be met before the stops on the engine controls in the cockpit?

To check if the fuel control valves are operating correctly Signup and view all the answers

Why is an Independent Inspection required for any rigging adjustment carried out on an engine?

To comply with safety regulations Signup and view all the answers

What should a properly adjusted engine control have at its fully open or closed positions?

A cushion or spring back Signup and view all the answers

Why is it important to reference the applicable aircraft technical publication for engine control rigging procedures?

To standardize rigging procedures Signup and view all the answers

What is the purpose of having a degree of cushion or spring back in a properly adjusted engine control?

To prevent the control from sticking in extreme positions Signup and view all the answers

What is the primary method of checking the serviceability of an aircraft engine ignition system?

Using the engine's relight function Signup and view all the answers

What voltage is required for the ignition system to operate during a relight test?

28 volts Signup and view all the answers

What is the main purpose of ground-starting the engine for an operational test?

To test the engine's ability to start Signup and view all the answers

What is the primary risk associated with using synthetic oil vapors during engine maintenance?

Potential health risks to maintenance personnel Signup and view all the answers

What is the primary purpose of recording engine starts for a gas turbine engine?

To monitor engine wear and tear Signup and view all the answers

What is the primary purpose of engine control rigging in aircraft maintenance?

To guarantee instantaneous response to control inputs and accurate engine control Signup and view all the answers

Which portion of the engine control system typically requires rigging after an engine or fuel control change?

The portion of the control system from the firewall to the engine Signup and view all the answers

What common types of engine controls are used in aircraft?

Flexible push-pull wire, rigid push-pull rods, and cables and pulleys Signup and view all the answers

What should be ensured before rigging the engine controls in aircraft maintenance?

The power lever is free from binding and the controls have full movement at the console Signup and view all the answers

What is the importance of consulting the applicable aircraft technical publication during engine control rigging?

To verify that the engine control system is rigged in accordance with the applicable aircraft technical publication Signup and view all the answers

Which engine control components are not normally disturbed during an engine change?

The power lever control cables and push-pull rods in the airframe between the cockpit and the firewall Signup and view all the answers

What is typically examined in a fire detection and protection system inspection along with mechanical parts?

Electrical control systems Signup and view all the answers

What should maintenance personnel consult when testing fire detection and protection systems due to the different types and models available?

Relevant publications and manuals Signup and view all the answers

What is a typical task during the inspection of a fire detection and protection system according to the checklist provided in the text?

Examining clamps and grommets Signup and view all the answers

What is outlined in relevant publications for the inspection and testing of fire and overheating warning systems?

Instructions Signup and view all the answers

Why must maintenance personnel use stated specifications when performing tests on fire detection and protection systems?

To ensure accuracy Signup and view all the answers

What should be verified during an inspection of a fire detection and protection system to ensure compliance with technical requirements?

Approved pressure or weight limits in extinguisher bottles Signup and view all the answers

What safety precautions must be followed to prevent unintended activation of fire extinguisher systems during servicing or installation?

Placing 'No Entry' signs around the aircraft and pulling all applicable circuit breakers Signup and view all the answers

What potential issue can stray voltages like static electricity cause in fire extinguishers that use electrical circuits?

Activation of the extinguisher system without manual intervention Signup and view all the answers

What annotation must be placed in the Aircraft Maintenance Document (AMD) when servicing a fire extinguisher system to ensure safety?

'No electrical power to be applied, fire extinguisher system being serviced.' Signup and view all the answers

What action should be taken regarding circuit breakers when working on a fire extinguisher system?

All applicable circuit breakers are to be pulled open before servicing. Signup and view all the answers

Why is it essential to check the routing of sensors as per maintenance manual instructions?

To avoid interference with other components Signup and view all the answers

What should be done with elements of fire detection sensors that do not meet maintenance manual specifications?

They should be discarded Signup and view all the answers

What is a key step in inspecting fire detection and protection systems, according to the text?

Verifying that extinguisher bottle contents are within approved pressure or weight limits Signup and view all the answers

What is the main purpose of examining all clamps and grommets in a fire detection system inspection?

Checking that the sensing element is held securely in place Signup and view all the answers

Why is it necessary for maintenance personnel to consult appropriate manuals when testing fire detection and protection systems?

For ensuring tests are performed based on stated specifications Signup and view all the answers

What is a critical task during a typical inspection of fire detection and protection systems?

Checking bulkhead fittings and supports for security Signup and view all the answers

In fire detection and protection system maintenance, what do maintenance personnel need to verify about the extinguisher bottle contents?

Verify contents are within approved pressure or weight limits Signup and view all the answers

Why do maintenance personnel need to verify end fittings and sensor connectors during fire detection system inspections?

To check for tightness and proper safety Signup and view all the answers

What type of switch is commonly used for daily and pre-flight tests of fire detection and protection systems?

Push-to-test switches Signup and view all the answers

Which method is used by the Avotek fire detection and protection trainer to simulate agent discharge?

Compressed air Signup and view all the answers

When should a gas turbine Auxiliary Power Unit (APU) be worked on or started?

When all conditions for safety are met Signup and view all the answers

Which component is NOT part of the Avotek fire detection and protection trainer?

Hydraulic sensor Signup and view all the answers

What is the primary function of the Avotek fire detection and protection trainer?

To simulate aircraft fire detection and protection systems Signup and view all the answers

When should an Avotek fire detection and protection trainer system produce an alarm?

When the cockpit push-to-test switches are pressed Signup and view all the answers

What is a fundamental safety requirement before starting work on a gas turbine Auxiliary Power Unit (APU)?

Meeting conditions for engine and personnel safety Signup and view all the answers

What is the primary purpose of using cockpit push-to-test switches for daily tests of fire detection systems?

To ensure the system produces an alarm Signup and view all the answers

According to the information provided, what does the Avotek fire detection trainer use to simulate agent discharge?

Compressed air Signup and view all the answers

What should happen when heat is removed from a sensing element in a fire detection system?

The alarm should stop Signup and view all the answers

In maintenance of a fire detection and protection system, what varies depending on the design and operation principle?

The testing procedure for sensing units Signup and view all the answers

What should the fireguard position within reach of the APU during an operation?

Suitable fire extinguisher Signup and view all the answers

During APU maintenance, what must maintainers confirm before disconnecting components or plumbing?

The system pressure has depleted to zero Signup and view all the answers

Why should synthetic lubricating oil be handled with care during maintenance activities?

It can cause skin irritation Signup and view all the answers

What is the primary purpose of wearing approved and appropriate PPE during APU maintenance?

To protect against eye or skin contact Signup and view all the answers

What kind of activities would typically be involved in APU maintenance procedures?

Removal and installation of fuel and lubricating oil components Signup and view all the answers

Which personnel should be conducting APU maintenance procedures according to safety guidelines?

Qualified and authorised personnel only Signup and view all the answers

What type of maintenance includes activities like lubricating components and servicing systems to prevent a failure during operation?

Preventative Maintenance Signup and view all the answers

Which maintenance type is performed after a functional failure has occurred or when a potential failure is detected?

Corrective Maintenance Signup and view all the answers

At which level of maintenance are preventative and corrective maintenance carried out?

Both Operational and Deeper Maintenance Signup and view all the answers

What is the purpose of a maintenance schedule in the context of aircraft maintenance?

To ensure an optimum level of performance for the greatest amount of time Signup and view all the answers

Which type of maintenance is performed regularly to prevent failures or at least minimize them by regular servicing and inspection?

Preventative Maintenance Signup and view all the answers

Which maintenance type can be performed on a component or system regardless of whether preventative maintenance tasks are defined?

Corrective Maintenance Signup and view all the answers

What is the primary role of deeper maintenance (DM) in ADF aviation maintenance?

To carry out major maintenance, repair, and modification programs Signup and view all the answers

Who is typically responsible for developing specific maintenance requirements in the ADF?

ADF engineering staff Signup and view all the answers

What is the purpose of having maintenance philosophies and plans in aviation maintenance?

To collectively describe the maintenance function and purpose of each organization Signup and view all the answers

What is the primary function of turbine engines in aviation?

To provide thrust Signup and view all the answers

What is the role of operational maintenance (OM) in ADF aviation maintenance?

To generally involve application servicings, such as Operational, Routine and Special Servicings and Special Technical Instructions (STIs) Signup and view all the answers

What is the significance of 'unique aircraft operating requirements' in ADF aviation maintenance?

They are considered when developing specific maintenance requirements Signup and view all the answers

What safety precaution must be followed to prevent unintended activation of fire extinguishers with electrical circuits?

Pulling all applicable circuit breakers Signup and view all the answers

What should be checked when examining sensors for fire detection systems?

Sharp bends and kinks Signup and view all the answers

Which annotation must be placed into the applicable Aircraft Maintenance Document (AMD) when servicing a fire extinguisher system?

'No electrical power to be applied, fire extinguisher system being serviced.' Signup and view all the answers

What action ensures that stray voltages like static electricity do not activate fire extinguishers during maintenance?

Isolating the aircraft from the power source Signup and view all the answers

What should be avoided when routing sensors as per maintenance manual instructions?

Keeping sensors close to structure Signup and view all the answers

What is the purpose of placing 'No Entry' signs during squib servicing related to fire extinguishers?

To prevent accidental activation of other systems Signup and view all the answers

GTS Mod 11 Specific

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Questions and Answers

What is the primary reason for ensuring the engine has cooled sufficiently before conducting maintenance?

Why is it important to relieve pressure before disconnecting fluid lines?

What should be checked before commencing inspection or system operation?

Why is configuring/checking the aircraft with isolation tags important?

What is the main concern when removing components or assemblies from the engine related to fluid lines?

Why should trainees revise the learning from training before commencing practical activities?

What is the primary purpose of establishing maintenance philosophies and developing plans and procedures?

What is the role of ADF engineering staff in developing maintenance requirements?

What type of maintenance is usually carried out by civilian contractors?

Which level of aviation maintenance generally involves application servicings, such as Operational, Routine, and Special Servicings and Special Technical Instructions (STIs)?

What is the importance of having an effective working knowledge of a specific powerplant system?

Which of the following is not a responsibility of aircraft technicians in the context of gas turbine engines?

What is the primary purpose of preventative maintenance?

What type of maintenance is carried out to restore an item to a satisfactory condition or level of performance?

Which of the following is an example of preventative maintenance?

When is corrective maintenance performed?

What is the purpose of a maintenance schedule in aviation?

Which of the following is NOT a type of maintenance used in the ADF to maintain aircraft and aircraft components?

What is a key consideration regarding engine maintenance according to the text?

Why are servicing interval timings varied from engine to engine as mentioned in the text?

What aids in forecasting and executing maintenance tasks?

What is the significance of following the manufacturer and ADF's specific servicing schedules?

How do maintenance schedules aid in aviation maintenance according to the text?

What determines the loads placed on an aircraft's powerplant during different flight types?

What is the main purpose of carrying out preventative maintenance on aircraft components?

When is corrective maintenance typically performed on aircraft components?

What is the purpose of a maintenance schedule in aviation maintenance?

What distinguishes preventative maintenance from corrective maintenance?

In the context of aircraft maintenance, when is the decision made to carry out corrective maintenance?

Why are maintenance tasks carried out at operational and deeper levels of maintenance?

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out?

What is the main purpose of recording engine starts for a gas turbine engine?

What triggers the start of a Blackhawk engine cycle?

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out for an F-111 aircraft engine?

How often is an Overhaul (OH) carried out for an F-111 aircraft engine?

What is the primary factor that determines when a Borescope or Overhaul of an engine is to be carried out for an engine with a modular design?

What type of methods are used for inspecting gas turbine engine components?

Who is allowed to use magnetic particle, dye penetrant, ultrasonic, and X-ray equipment for inspections?

What is emphasized in determining the serviceability of gas turbine engine components during inspections?

Which method of visual inspection includes dimensional analysis of gas turbine engine components?

What is an essential aspect to consider for inspecting gas turbine engine components?

What is the initial step in the inspection of fire detection and protection systems?

Why is it essential for maintenance personnel to consult the appropriate manuals when inspecting fire detection systems?

What is a crucial task in inspecting a fire detection and protection system according to the provided checklist?

Why must maintenance personnel examine all clamps and grommets (bushings) during a fire detection system inspection?

What is the purpose of checking end fittings and sensor connectors during a fire detection system inspection?

Why do maintenance personnel need to examine bulkhead fittings and supports when inspecting fire detection systems?

Which type of oil filter requires a holding fixture for inspection?

What is the primary purpose of inspecting a filter for wear debris?

Which of the following is not a step in the typical oil filter maintenance procedure?

What type of filter requires inspection for foreign material and wear debris on each disc?

Which of the following is the primary purpose of cleaning a filter?

What is the primary concern when removing components or assemblies from the engine related to fluid lines?

What safety precaution should personnel observe to prevent injury if the engine has been recently operated?

What is a potential risk for personnel when removing components from the engine?

Why should maintenance personnel ensure that the pressure has been relieved before disconnecting fluid lines?

What should maintenance personnel always check before commencing inspection or system operation?

Why should aircraft be configured/check with isolation tags before maintenance activities?

What additional detailed information is provided on safety precautions for gas turbine engine maintenance?

What precaution should personnel take when handling sharp components in a gas turbine engine?

Why is it necessary to ensure the correct tooling, hoists, jigs, or slings are used when working on an engine?

Why should maintenance personnel check the serviceability of tools before using them for maintenance tasks?

When selecting slings, hoists, and jigs for maintenance tasks on a gas turbine engine, what should personnel primarily consider?

What precaution should be taken regarding general purpose slings, hoists, and jigs when choosing equipment for maintenance tasks?

Why do maintenance manuals emphasize using only specific slings, hoists, and jigs for tasks involving gas turbine engines?

What is the primary concern when handling damaged transformer units during engine maintenance?

What must be ensured before performing maintenance on a gas turbine engine ignition system?

What is the main concern when handling unserviceable igniter plugs during engine maintenance?

What precaution must be taken before test firing an installed igniter in a gas turbine engine?

What must maintenance personnel do with unserviceable igniter plugs during engine maintenance?

What is the main concern when handling high energy ignition units during engine maintenance?

What is the efficiency range of a compressor in good condition?

What can lead to compressor efficiency falling below 100%?

How can compressor efficiency be enhanced?

What effect does reduced compressor efficiency have on the power output of a gas turbine engine?

What can result in an engine providing more than 100% efficiency?

What is indicated by lower than expected EPR (engine pressure ratio) in a turbojet?