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?

  • 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?

    <p>To prevent inadvertent operation of systems</p> Signup and view all the answers

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

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

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

    <p>To avoid safety hazards associated with engine maintenance</p> Signup and view all the answers

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

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

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

    <p>Developing specific maintenance requirements considering unique aircraft operating requirements</p> Signup and view all the answers

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

    <p>Deeper Maintenance</p> 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)?

    <p>Operational Maintenance</p> Signup and view all the answers

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

    <p>It enables efficient troubleshooting and reduces maintenance effort</p> Signup and view all the answers

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

    <p>Developing maintenance philosophies and plans</p> Signup and view all the answers

    What is the primary purpose of preventative maintenance?

    <p>To prevent a failure from occurring during operation of an aircraft or component</p> 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?

    <p>Corrective maintenance</p> Signup and view all the answers

    Which of the following is an example of preventative maintenance?

    <p>Servicing components and systems</p> Signup and view all the answers

    When is corrective maintenance performed?

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

    What is the purpose of a maintenance schedule in aviation?

    <p>To ensure that components have an optimum level of performance for the greatest amount of time</p> 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?

    <p>Restorative maintenance</p> Signup and view all the answers

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

    <p>The type of aircraft the engine is installed in</p> Signup and view all the answers

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

    <p>To maximize engine life based on operational variations</p> Signup and view all the answers

    What aids in forecasting and executing maintenance tasks?

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

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

    <p>To comply with regulations and ensure proper maintenance</p> Signup and view all the answers

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

    <p>By listing intervals and procedures for required maintenance</p> Signup and view all the answers

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

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

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

    <p>To prevent failures during operation</p> Signup and view all the answers

    When is corrective maintenance typically performed on aircraft components?

    <p>After a potential failure is detected</p> Signup and view all the answers

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

    <p>To optimize performance over time through regular servicing and inspection</p> Signup and view all the answers

    What distinguishes preventative maintenance from corrective maintenance?

    <p>Preventative maintenance is carried out before potential failures</p> Signup and view all the answers

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

    <p>After a functional failure is observed</p> Signup and view all the answers

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

    <p>To ensure components have optimum performance for extended periods</p> 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?

    <p>Engine hours</p> Signup and view all the answers

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

    <p>To record high thermal stresses</p> Signup and view all the answers

    What triggers the start of a Blackhawk engine cycle?

    <p>When the Exhaust Gas temperature (EGT) rises past a certain temperature</p> 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?

    <p>Pre-determined time</p> Signup and view all the answers

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

    <p>Every 1500 engine hours</p> 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?

    <p>Engine hours</p> Signup and view all the answers

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

    <p>Magnetic particle, dye penetrant, ultrasonic, and X-ray</p> Signup and view all the answers

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

    <p>Only qualified personnel</p> Signup and view all the answers

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

    <p>Safety requirements compliance</p> Signup and view all the answers

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

    <p>NDT</p> Signup and view all the answers

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

    <p>Interpretation of indications</p> Signup and view all the answers

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

    <p>Inspecting mechanical parts of the systems</p> Signup and view all the answers

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

    <p>To identify the types and models of systems accurately</p> Signup and view all the answers

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

    <p>Verifying extinguisher bottle contents</p> Signup and view all the answers

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

    <p>To ensure the sensing element is secured in place</p> Signup and view all the answers

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

    <p>To ensure proper safety and tightness</p> Signup and view all the answers

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

    <p>To ensure security of fittings and supports</p> Signup and view all the answers

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

    <p>Disc filter</p> Signup and view all the answers

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

    <p>To assess the filter's serviceability</p> Signup and view all the answers

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

    <p>Cleaning the filter with a cleaning agent</p> Signup and view all the answers

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

    <p>Disc filter</p> Signup and view all the answers

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

    <p>To remove debris from the filter</p> Signup and view all the answers

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

    <p>Preventing fluid leakage</p> Signup and view all the answers

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

    <p>Ensure the engine has cooled sufficiently</p> Signup and view all the answers

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

    <p>Contact with aviation turbine fuel or engine oil</p> Signup and view all the answers

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

    <p>To ensure safe removal without spills or injuries</p> Signup and view all the answers

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

    <p>Aircraft Maintenance Data (AMD)</p> Signup and view all the answers

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

    <p>To prevent unauthorized personnel access</p> Signup and view all the answers

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

    <p>Further details on specific safety measures</p> Signup and view all the answers

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

    <p>Always ensuring correct tooling is used</p> 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?

    <p>To prevent accidents and ensure safety</p> Signup and view all the answers

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

    <p>To ensure safe and effective use of tools</p> 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?

    <p>The recommendations in the maintenance manual</p> Signup and view all the answers

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

    <p>Follow recommendations in the maintenance manuals strictly</p> Signup and view all the answers

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

    <p>To ensure compliance with safety regulations</p> Signup and view all the answers

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

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

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

    <p>The ignition system is turned off</p> Signup and view all the answers

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

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

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

    <p>The combustion chamber must not be fuel-wetted</p> Signup and view all the answers

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

    <p>Dispose of them according to authorized procedures</p> Signup and view all the answers

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

    <p>They produce lethal charges</p> Signup and view all the answers

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

    <p>80% to 90%</p> Signup and view all the answers

    What can lead to compressor efficiency falling below 100%?

    <p>Increased blade tip clearance</p> Signup and view all the answers

    How can compressor efficiency be enhanced?

    <p>Performing a compressor wash</p> Signup and view all the answers

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

    <p>Decreases the power output</p> Signup and view all the answers

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

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

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

    <p>Thrust loss</p> Signup and view all the answers

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

    <p>To maintain the efficiency of the engine</p> Signup and view all the answers

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

    <p>Disturbs airflow and affects compressor efficiency</p> Signup and view all the answers

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

    <p>By removing all scratches and filing marks</p> Signup and view all the answers

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

    <p>Causes eventual failure of the blade</p> Signup and view all the answers

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

    <p>Maintaining compressor blades free of nicks and erosion</p> Signup and view all the answers

    What is the primary purpose of blade blending repair?

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

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

    <p>Injecting water or detergent mix into the inlet air</p> Signup and view all the answers

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

    <p>Fuel pump efficiency</p> Signup and view all the answers

    What is the main purpose of compressor washing?

    <p>To recover compressor efficiency</p> Signup and view all the answers

    What is NOT checked for during compressor serviceability inspection?

    <p>Fuel pump efficiency</p> Signup and view all the answers

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

    <p>90%</p> Signup and view all the answers

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

    <p>Causing fluid leaks</p> Signup and view all the answers

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

    <p>To describe the maintenance function of aviation organizations</p> Signup and view all the answers

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

    <p>To enable efficient troubleshooting</p> Signup and view all the answers

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

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

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

    <p>To ensure proper maintenance planning</p> Signup and view all the answers

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

    <p>Major Repair Programs</p> Signup and view all the answers

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

    <p>Manufacturers provide baseline values, while ADF staff develop specific requirements</p> 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?

    <p>On condition maintenance</p> Signup and view all the answers

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

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

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

    <p>Microcomputer systems</p> Signup and view all the answers

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

    <p>They can be overhauled 'on condition'</p> 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?

    <p>Modularized engine design</p> Signup and view all the answers

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

    <p>To monitor and record engine conditions and faults</p> Signup and view all the answers

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

    <p>Burning themselves on hot engine components</p> Signup and view all the answers

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

    <p>High-pressure fluid causing injury</p> Signup and view all the answers

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

    <p>Checking AMD and configuring the aircraft with isolation tags</p> Signup and view all the answers

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

    <p>To reduce the risk of blade failure</p> Signup and view all the answers

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

    <p>Compressor washing</p> Signup and view all the answers

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

    <p>Between 85% and 100%</p> 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?

    <p>Guide the component carefully</p> Signup and view all the answers

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

    <p>To prevent oil from leaking out during withdrawal</p> Signup and view all the answers

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

    <p>The weight the shaft may be holding</p> Signup and view all the answers

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

    <p>Chipping, cracking, fretting, or corrosion on splines</p> Signup and view all the answers

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

    <p>Due to their frequent exposure to high stress</p> Signup and view all the answers

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

    <p>To reduce repair or replacement costs</p> Signup and view all the answers

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

    <p>Suggests the spline is worn beyond limits</p> Signup and view all the answers

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

    <p>To avoid locking against lubricant</p> Signup and view all the answers

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

    <p>The splined shaft should be heated</p> 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?

    <p>To maintain dryness of specific components</p> Signup and view all the answers

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

    <p>Protects the oil seal from damage</p> Signup and view all the answers

    What does dry fitting of a spline during installation entail?

    <p>Cleaning the spline of all oil and grease</p> Signup and view all the answers

    What is the primary method of measuring spline wear?

    <p>Measuring the diameter of the splines with a micrometer</p> Signup and view all the answers

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

    <p>It indicates the splines are serviceable</p> Signup and view all the answers

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

    <p>To hold the pins in place between the spline teeth</p> Signup and view all the answers

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

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

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

    <p>It specifies the tolerance for the spline measurements</p> Signup and view all the answers

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

    <p>To take a further set of measurements</p> Signup and view all the answers

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

    <p>Premature failure due to forced lubricant from the gear surface</p> Signup and view all the answers

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

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

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

    <p>0.003 - 0.004 inches</p> Signup and view all the answers

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

    <p>Routine maintenance</p> Signup and view all the answers

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

    <p>They are highly toxic and present health risks</p> Signup and view all the answers

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

    <p>To minimize premature failure</p> Signup and view all the answers

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

    <p>Ensuring the engine has heated sufficiently before maintenance.</p> Signup and view all the answers

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

    <p>To avoid potential accidents or injuries.</p> Signup and view all the answers

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

    <p>Being in contact with aviation turbine fuel.</p> Signup and view all the answers

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

    <p>To prevent inadvertent operation of systems.</p> Signup and view all the answers

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

    <p>Wearing protective clothing.</p> Signup and view all the answers

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

    <p>To prevent damage to the oil seal.</p> Signup and view all the answers

    What is the primary purpose of gear maintenance in aircraft?

    <p>To prevent damage from occurring in the first place</p> Signup and view all the answers

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

    <p>Increasing gear speed</p> 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?

    <p>Corrective Maintenance</p> Signup and view all the answers

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

    <p>Making sure the fluid lines are not damaged</p> Signup and view all the answers

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

    <p>A detected potential failure or after a functional failure occurs</p> Signup and view all the answers

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

    <p>Checking each disc for foreign material</p> Signup and view all the answers

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

    <p>Allowing debris inside the disc</p> Signup and view all the answers

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

    <p>They are paper element throwaway type filters</p> Signup and view all the answers

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

    <p>Refill into the tank</p> Signup and view all the answers

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

    <p>Inspecting end fittings and sensor connectors</p> Signup and view all the answers

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

    <p>Dispose and replace with a new one</p> Signup and view all the answers

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

    <p>Using a dial test indicator</p> Signup and view all the answers

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

    <p>Oil sampling, filter change, oil change, and leak checks</p> Signup and view all the answers

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

    <p>Technical Maintenance Plans</p> Signup and view all the answers

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

    <p>Exposure risks through skin absorption and inhalation</p> Signup and view all the answers

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

    <p>Health risks due to toxic absorption through skin</p> Signup and view all the answers

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

    <p>Introduction of contaminants like fuel into the oil system</p> Signup and view all the answers

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

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

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

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

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

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

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

    <p>Contamination buildup leading to potential engine damage</p> Signup and view all the answers

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

    <p>Mixing high wear debris with fuel in the cooler</p> Signup and view all the answers

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

    <p>Ground the centre electrode and remove the igniter from the engine</p> 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?

    <p>Gas loss from the combustor</p> Signup and view all the answers

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

    <p>To prevent damage beyond publication limits</p> 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?

    <p>Discard the igniter plug if damage is beyond publication limits</p> Signup and view all the answers

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

    <p>Threads or flange of the igniter plug</p> Signup and view all the answers

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

    <p>To ensure electrical circuit integrity</p> Signup and view all the answers

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

    <p>To test the system's serviceability without cranking the engine</p> Signup and view all the answers

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

    <p>28 volts DC</p> Signup and view all the answers

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

    <p>To prevent loosening due to engine vibration</p> Signup and view all the answers

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

    <p>Clearly audible sparking from the igniter plugs</p> 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?

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

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

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

    What is the correct sequence for removing an igniter plug?

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

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

    <p>Overheating of the HEIUs can cause damage to the engine.</p> Signup and view all the answers

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

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

    What maintenance activities are typically required for igniter plugs?

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

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

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

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

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

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

    <p>To ensure correct position of control linkages</p> 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?

    <p>To check if the fuel control valves are operating correctly</p> Signup and view all the answers

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

    <p>To comply with safety regulations</p> Signup and view all the answers

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

    <p>A cushion or spring back</p> Signup and view all the answers

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

    <p>To standardize rigging procedures</p> 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?

    <p>To prevent the control from sticking in extreme positions</p> Signup and view all the answers

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

    <p>Using the engine's relight function</p> Signup and view all the answers

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

    <p>28 volts</p> Signup and view all the answers

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

    <p>To test the engine's ability to start</p> Signup and view all the answers

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

    <p>Potential health risks to maintenance personnel</p> Signup and view all the answers

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

    <p>To monitor engine wear and tear</p> Signup and view all the answers

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

    <p>To guarantee instantaneous response to control inputs and accurate engine control</p> Signup and view all the answers

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

    <p>The portion of the control system from the firewall to the engine</p> Signup and view all the answers

    What common types of engine controls are used in aircraft?

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

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

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

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

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

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

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

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

    <p>Electrical control systems</p> 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?

    <p>Relevant publications and manuals</p> 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?

    <p>Examining clamps and grommets</p> Signup and view all the answers

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

    <p>Instructions</p> Signup and view all the answers

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

    <p>To ensure accuracy</p> 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?

    <p>Approved pressure or weight limits in extinguisher bottles</p> Signup and view all the answers

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

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

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

    <p>Activation of the extinguisher system without manual intervention</p> 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?

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

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

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

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

    <p>To avoid interference with other components</p> Signup and view all the answers

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

    <p>They should be discarded</p> Signup and view all the answers

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

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

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

    <p>Checking that the sensing element is held securely in place</p> Signup and view all the answers

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

    <p>For ensuring tests are performed based on stated specifications</p> Signup and view all the answers

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

    <p>Checking bulkhead fittings and supports for security</p> 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?

    <p>Verify contents are within approved pressure or weight limits</p> Signup and view all the answers

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

    <p>To check for tightness and proper safety</p> 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?

    <p>Push-to-test switches</p> Signup and view all the answers

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

    <p>Compressed air</p> Signup and view all the answers

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

    <p>When all conditions for safety are met</p> Signup and view all the answers

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

    <p>Hydraulic sensor</p> Signup and view all the answers

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

    <p>To simulate aircraft fire detection and protection systems</p> Signup and view all the answers

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

    <p>When the cockpit push-to-test switches are pressed</p> Signup and view all the answers

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

    <p>Meeting conditions for engine and personnel safety</p> 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?

    <p>To ensure the system produces an alarm</p> Signup and view all the answers

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

    <p>Compressed air</p> Signup and view all the answers

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

    <p>The alarm should stop</p> Signup and view all the answers

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

    <p>The testing procedure for sensing units</p> Signup and view all the answers

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

    <p>Suitable fire extinguisher</p> Signup and view all the answers

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

    <p>The system pressure has depleted to zero</p> Signup and view all the answers

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

    <p>It can cause skin irritation</p> Signup and view all the answers

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

    <p>To protect against eye or skin contact</p> Signup and view all the answers

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

    <p>Removal and installation of fuel and lubricating oil components</p> Signup and view all the answers

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

    <p>Qualified and authorised personnel only</p> Signup and view all the answers

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

    <p>Preventative Maintenance</p> Signup and view all the answers

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

    <p>Corrective Maintenance</p> Signup and view all the answers

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

    <p>Both Operational and Deeper Maintenance</p> Signup and view all the answers

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

    <p>To ensure an optimum level of performance for the greatest amount of time</p> 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?

    <p>Preventative Maintenance</p> 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?

    <p>Corrective Maintenance</p> Signup and view all the answers

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

    <p>To carry out major maintenance, repair, and modification programs</p> Signup and view all the answers

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

    <p>ADF engineering staff</p> Signup and view all the answers

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

    <p>To collectively describe the maintenance function and purpose of each organization</p> Signup and view all the answers

    What is the primary function of turbine engines in aviation?

    <p>To provide thrust</p> Signup and view all the answers

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

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

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

    <p>They are considered when developing specific maintenance requirements</p> Signup and view all the answers

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

    <p>Pulling all applicable circuit breakers</p> Signup and view all the answers

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

    <p>Sharp bends and kinks</p> Signup and view all the answers

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

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

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

    <p>Isolating the aircraft from the power source</p> Signup and view all the answers

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

    <p>Keeping sensors close to structure</p> Signup and view all the answers

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

    <p>To prevent accidental activation of other systems</p> Signup and view all the answers

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