M15 Reviewer PDF

M15 REVIEWER Gas turbine engine have two sets of indicating system the primary and the secondary system. What indications is the primary indicating system? - ENGINE PERFORMANCE INDICATION In airbus, the thrust reverser indication can be seen from? - UPPER ECAM The electronic chip detector of gas tu...

M15 REVIEWER Gas turbine engine have two sets of indicating system the primary and the secondary system. What indications is the primary indicating system? - ENGINE PERFORMANCE INDICATION In airbus, the thrust reverser indication can be seen from? - UPPER ECAM The electronic chip detector of gas turbine engines are installed between? - SCAVENGE OIL FILTER AND OIL SCAVENGE PUMP What performance monitoring parameter is monitored in turbo prop engine? - BRAKE TORQUE Rolls Royce and IAE high bypass engine, thrust is usually measured by? - EPR Where are the fuel distribution components of a gas turbine engine located? - ACCESSORY GEAR BOX AREA What are the three subsystems of a gas turbine engine air system? - COMPRESSOR CONTROL - CLEARANCE CONTROL - COOLING A turbo fan engine thrust reverser can be opened by? - HYDRAULIC PRESSURE USING HAND PUMP The total thrust of a turbofan engine is the sum of the thrust developed by the? - FAN AND CORE ENGINE On gas turbine engines with pressure ratio indication. Where are the 2 pressure pick up points located? - INLET OF FAN ROTOR AND EXIT OF TURBINE EXHAUST What are the di erent types of combustion chamber are being used in jet engines combustion? - CAN - CAN ANNULAR - ANNULAR COMBUSTION CHAMBER What is the purpose of the gas turbine exhaust system? - ACCELERATE GAS FLOW COMING OUT FROM THE TURBINE TO EFFICIENTLY MAKE THRUST On large aircraft, 3 mounts support the APU to aircraft structure. How many of these mounts transfer LATERAL LOAD to the aircraft structure? - ONE On some gas turbine engines, passive clearance control for the HP turbines are used. The air : - LAST STAGE ff Modern aircraft APU have two fuel systems, the primary and secondary system. The secondary: - FUEL CONTROL UNIT AND ENDS AT THE FUEL NOZZLES ON THE COMBUSTION CHAMBER On modern high bypass turbo fan engine the accessory drive system takes up how much power : - UP TO 400KW Where does the exhaust gas temperature of a gas turbine engine being measured? - BETWEEN HIGH AND LOW PRESSURE TURBINE Some gas turbine engine fuel distribution system incorporate servo fuel heater to make sure : - BETWEEN HP FUEL PUMP AND FUEL CONTROL UNIT Which controls the air on wing anti ice system? - WING ANTI ICE VALVE On turbo fan bearing system. What type of bearing holds the rotors in its axial position during- : - FIXED BEARING What reverser sub system directs the air ow in the optimum direction for safe reverse thrust? - AIRFLOW DEFLECTION SYTEM On the vibration monitoring system of a turbo fan engine where does EVMU sends the- : - SECONDARY INDICATION DISPLAY AND TREND MONITORING Emergency APU shutdown is initiated : - AUTOMATICALLY OR MANUALLY The second stage HP turbine blades are normally cooled by? - CONVECTION Turbo fan engines compressor control systems commonly uses 3 subsystem namely variable bleed valves and HP compressor bleed valve system. These system is controlled by? - FADEC A small gas turbine engine used to supply pneumatics and electric power in aircraft when its - : - APU On large aircraft, 3 mounts support the APU to aircraft structure. How many of these transmit VERTICAL LOADS on aircraft structures? - THREE What material are used for turbo fan engine, fan, LP compressor and front stages- : - TITANIUM ALLOY On thrust reverser mode of turbo engine which part of the reverser closes - : - BLOCKER DOORS fl For gas turbine engine fuel e ciency which one is being controlled in the turbine? - TURBINE TIP CLEARANCE Turbo fan engines reverse thrust control have 3 task and one of them is to block reverse - Deployed position using the throttle interlock system. It is normally installed on : - PYLON During thrust reverse operation what is the approximate angle of de ection of the exhaust : - 45 TO 60 DEG ……………………………………………… What is the reference for correct installation of air inlet cowling? - TWO INDEX PIN Transmits most power into torque : - TURBO PROP Where does ECU located? - UPPER RIGHT HAND Normal cooldown of APU : - ZERO TO 120 What Type of system starts at fuel tank and ends in fuel control unit? - PRIMARY FUEL SYSTEM OR LOW PRESSURE SYSTEM What is the function of exhaust system on aircraft? - THIS SYSTEM ACCELERATES THE EXHAUST GASES WHICH LEAVE THE ENGINE On modern engines the primary thrust indication is measured on? - THR The APU can supply : - ELECTRIC POWER - PNEUMATIC BLEED AIR Aircraft fuel system is divided into two systems. What is secondary fuel system? - STARTS AT THE FUEL CONTROL UNIT AND ENDS AT THE FUEL NOZZLES ON THE COMBUSTION CHAMBER Where does oil cooler located? - BETWEEN LP PUMP AND FUEL FILTER When will the ECU send the signal to close the starter valve and deactivate the ignition system? - WHEN N2 PASSES THE STARTER CUT OUT SPEED In engine auto start at what percent ECU send signal to the HMU to open fuel metering valve? ffi fl - 22% In engine auto start at what percent ECU activates one ignition system? - 16% Completely convert all the gas energy into shaft power : - TURBOSHAFT Bypass ratio of modern turbojet engine : - 4:1 AND 9:1 Reduces the axial loads on the xed bearings and therefore it increases the service life of each bearing : - PRESSURE BALANCING Gas turbine engine have two sets of indicating system the primary and secondary systems. What indication is the second indicating system? - ENGINE SYSTEM INDICATIONS Where does engine turbine mounted? - TURBINE AFT FRAME Engine forward mount is connected to : - FAN FRAME What load does two thrust links can transmit? - AXIAL APU control unit uses 2 signals to constant speed control : - APU SPEED SIGNAL - TORQUE MOTOR SIGNAL On large aircrafts, 3 mounts support the APU to the aircraft structure. How many of these mounts transfer AXIAL LOAD to the aircraft structure? - TWO When an. Engine have N1 limit exceedance and later decrease below red line limit, a red exceedance -. You can read the value with? -ON BOARD MAINTENANCE SYSTEM When engine preservation is required, which engine system are preserved with a preservation oil? - OIL SYSTEM AND FUEL SYSTEM On turbofan bearing system, what type of seals are used to seal the bearings compartment? - LABYRINTH OR CARBON SEALS Modern aircraft usually have an aircraft condition monitoring system (ACMS) on board. This system provides- cockpit printer. It also transmit data to the ground via? - ACARS The forward engine mounts support beam is also connected to the fan frame by two thrust links. This connected- : fi  - AXIAL FORCE Turbo fan engines have three di erent methods of removal installation that among these methods which one is 40% time reduction compared to the other methods? - UPLIFT LOADER METHODS Gas turbine engines fuel ow transmitter is located between? - FCU AND FUEL SPRAY NOZZLE Turbo fan engines cooling systems provides cooling air to the engine in what way? - INTERNAL AND EXTERNAL COOLING On turbo shaft engine used in helicopters, the main gear is called? - PLANETARY GEARINGS The gas turbine engine oil quantity transmitter is located on? - TOP OF THE OIL TANK On gas turbine engine re detection system there are 2 types of warning generated- These warnings are : - LOCAL AND CENTRAL WARNING Which engine manufacturer developed the three shaft turboprop engine? - EUROPROP INTERNATIONAL GMBH When a hung start occur during an auto start what corrective action message will appear? - SET ENGINE SWITCH MASTER TO OFF Where can you nd the thermal anti ice switch? - OVERHEAD PANEL On turbofan with FADEC system engine sensors and data to the FADEC - : - SEND TO DISPLAY SYSTEM (ECAM/EICAS) AND USED TO CONTROL THE ENGINE Turbo fan engine thrust reverser is operated by? - PNEUMATIC PRESSURE OR HYDRAULIC PRESSURE If the EGT is measured between the high and low pressure turbine what is the max EGT? - 900 On some gas turbine engine, passive clearance control for the LP turbines are used - : - FAN AIR DISCHARGE On power plant installation, the forward engine mount has a support beam assembly connected- This construction transfer forces in the? - Y AND Z AXIS What type of uid is used on variable pitch propeller? - ENGINE OIL Which manufacturer of turbine engine uses RPM method in thrust indication? - GENERAL ELECTRIC Where is the oil temperature sensor of a gas turbine engine located? fl fi fi fl ff - BETWEEN OIL SCAVENGE PUMP AND OIL COOLER Internal cooling system of turbofan engine have three common task namely. Internal seal- Where does this cooling air pick up? - PRIMARY AIRFLOW In gas turbine engine in which location the fuel nozzle are mounted : - COMBUSTION - DIFFUSER CASE On gas turbine fuel system what are the two subsystem? - FUEL DISTRIBUTION - CONTROL SYSTEM An engine that uses jet propulsion is called reaction engine these engines uses newtons? - THIRD LAW On turbo fan engine starting and ignition system there are set of micro switches below the center pedestal - pressurization and thrust reverser activation switches. These switches are activated by? - THRUST CONTROL LEVER On the accessory drive system, what part of the engine transmits the rotation of the rotor to the radial drive? - INTERNAL GEARBOX …………………………………………………………. The type of gas turbine engine was designed to produce shaft horsepower only : - TURBOSHAFT The type of gas turbine engine was developed based on turbojet engine that makes aircraft high speed possible with good engine e ciency : - TURBOFAN Small gas turbine engine used to supply pneumatic and electrical power in the aircraft when the engine is not running : - APU (AUXILIARY POWER UNIT) An engine that uses jet propulsion is called a reaction engine. These engines uses what law of motion? - 3RD LAW OF MOTION The total thrust of the turbo fan engine is the sum of thrust developed by : - FAN AND CORE ENGINE On modern turbofan engines, the bypass ratio is between : - 4:1 AND 9:1 On all modern aircraft turbine engines, what construction principle is being used? - MODULAR CONSTRUCTION ffi What materials are used for turbo fan engine fan, LP compressor, and front stages of HP compressor ? - TITANIUM ALLOY Which of the following turbine engines manufactures uses the RPM method in thrust Indication or the N1 : - GE (GENERAL ELECTRIC) (CFM) Rolls Royce and IAE, high bypass engine thrust is usually measured by : - EPR (ENGINE PRESSURE RATIO) The thermal anti ice system are installed in jet aircraft, the air comes from the engine ___ : - COMPRESSOR Which control the air on the wing anti ice system? - WING ANTI ICE VALVE Where can you nd the thermal anti ice switch? - OVERHEAD PANEL What are the di erent types of combustion chambers are used or being used in jet engine combustion system : - CAN - CAN-ANNULAR - ANNULAR Which location the fuel nozzle are located? - COMBUSTION CHAMBER - DIFFUSER Passive clearance control for the HP turbine uses air from the ___. What stage of the HP compressor? - LAST STAGE Passive clearance control for the LP turbines uses ____ as the cooling source : - FAN AIR DISCHARGE The second stage HP turbine blades are normally cooled by : - CONVECTION For gas turbine engine fuel e ciency, which one is being controlled in the turbine : - TURBINE TIP CLEARANCE Which part of the turbine engine provides attachment points the rear engine mounts : - TURBINE AFT FRAME Purpose of exhaust system : - ACCELERATE During thrust reverse operation what is the approximate angle of de ection of the exhaust gas for safe engine operations : - 45º- 60º On the thrust reverse mode of the turbofan engine, which part of the reverser closes the fan discharge duct to reverse the air : ff fi ffi fl - BLOCKER DOORS What reverse subsystem, directs the air ow in optimum direction for safe reverse thrust : - AIRFLOW DEFLECTION SYSTEM Turbofan engine thrust reverser is operated by : - PNEUMATIC AND HYDRAULIC In airbus, the thrust reverser indicator can be seen from : - UPER ECAM - EWD on modern high bypass turbofan engines, the accessory drive system takes up how much power from that engine rotor system : - 40KW On the accessory drive system, what part of the engine transmit the rotation of the rotor drive shaft : - INTERNAL GEARBOX On the turbofan bearing system, what type of seal are used to seal the bearing compartment : - LABYRINTH OR CARBON SEAL On turbofan bearing system, what type of bearing holds the rotors in its axial position during operation : - FIXED BEARING OR BALL On the gas turbine engine fuel system, what are the two subsystem : - FUEL DISTRIBUTION - FUEL CONTROL On gas turbine fuel engine distribution system, the fuel and oil heat exchanger located between. : - LP PUMP AND FUEL FILTER On some gas turbine engine fuel distribution system incorporates fuel heater …. To make sure no icing …. The fuel system. Where is this component located? - HP FUEL PUMP AND FCU Where are the fuel distribution components of the gas turbine engine located? - ACCESSORY GEARBOX The gas turbine fuel ow transmitter is located between : - FCU AND FUEL NOZZLE Normally on the turbofan engine with FADEC system the ECU is located where? - RH OR UPPER RH OF THE FAN CASE What are the 3 subsystem of a gas turbine engine air system : - COMPRESSOR CONTROL - CLEARANCE CONTROL - COOLING Turbofan engine compressor control system uses 3 subsystems: VBVs, VSV, and HP compressor bleed valve system. This system is controlled by : - FADEC fl fl Turbofan engine HP compressor are protected against stall and surge by? - VSV AND VBV Turbofan engine turbine clearance control uses air from : - FAN AIR AND HP COMPRESSOR Turboprop engine cooling system provides cooling air to the engine what way : - EXTERNAL AND INTERNAL COOLING Internal cooling system of turbofan engine have 3 common task, internal sealing, pressure balancing, internal cooling, from where does this cooling air pick up : - PRIMARY AIRFLOW Turbofan any reverse thrust control have 3 tasks and one of this is block reverse deployed position using the throttle interlock system, which is normally installed on : - PYLON On turbofan engine with FADEC system, engine sensors send data to the FADEC this data are shown on : - UPPER ECAM - EWD Gas turbine engines have 2 sets of indicating system , the primary and secondary system. What indication are displayed on the secondary indicating system : - ENGINE SYSTEM INDICATION Modern aircraft usually have ACMS onboard, the system provides this data in a print out from the cockpit printer and it is also can transmit data to the ground via : - ACARS In limit indications, when N1 decreases below the red limit, a red exceedance pointer shoes the recorded maximum exceedance value : - ONBOARD MAINTENANCE SYSTEM On the gas turbine engine pressure ratio indication, where are the 2 pick up points located : - INLET OF FAN ROTOR - EXIT OF TURBINE EXHAUST Where is the exhaust gas temperature of the gas turbine engine being measured : - BETWEEN HPT AND LPT EGT is measured between LP and HP turbines, what is the max EGT indication : - 900º C On the vibration monitoring system of a turbofan engine, where does the EVMU set the data provided by the 2 engine vibration sensor : - SECONDARY INDICATION AND TREND MONITORING Gas turbine engine oil quantity transmitter is located on : - TOP OF THE OIL TANK On large aircraft 3 mount support, how many of this transmits vertical loads - THREE  Emergency APU shutdown is initiated by : - AUTOMATICALLY AND MANUALLY How many APU mounts that transmit lateral : - ONE A turbofan engine thrust reverser can be open by : - HAND PUMP What performance monitoring parameter is monitor in the turboprop engine : - BREAK TORQUE Where does magnetic chip detector located : - BETWEEN SCAVENGE OIL FILTER AND OIL SCAVENGE PUMP Turbo fan engine starting ignition system, they are setup micro switches below the center pedestal, this switches are activated by : - THRUST CONTROL LEVER Where is the oil temperature sensor on GTE located : - BETWEEN THE OIL SCAVENGE PUMP AND OIL COOLER What type of uid is used on variable pitch propeller : - ENGINE OIL What is the fastest engine installation with 40% time reduction : - UPLIFT LOADER METHOD When engine preservation required, which is the engine preserves : - OIL AND FUEL SYSTEM The APU control uses 2 signals for speed control : - APU SPEED SIGNAL AND TORQUE MOTOR SIGNAL Engine weight acts in the vertical axis, also known the : - Z-AXIS Engine thrust acts in the longitudinal axis, also know as : - X-AXIS Side loads acts in lateral axis, also known as the : - Y-AXIS This makes sure that the air inlet cowl can only be installed in the correct position : - TWO INDEX PINS The warnings that are generates in the cockpit when loop A and loop B detect a re : - LOCAL AND CENTRAL WARNING Warning is primarily a red light inside a switch : - LOCAL WARNING fl fi It has aural and visual attention-getters and a warning message on the ECAM and EICAS display - CENTRAL WARNING Auto start : when N2 has increase to 16%, the ECU activates how many ignition system : - ONE IGNITION SYSTEM EITHER A OR B Auto start : When the N2 of the engine reaches 22%, the ECU send a signal to the _____ to open fuel metering valve : - HYDROMECHANICAL UNIT A hot start occurs during the start of sequence when the actual EGT is higher than the max allowable start value : - TRUE When a hot start occurs, the start sequence must be _____ before the turbine becomes overheated : - ABORTED IMMEDIATELY When hung start occurs, a start fault message will be and corrective action message will advise to set the engine master switch to : - OFF Preservation procedures concerning engine “on the wing” - GENERAL PROTECTION AGAINST WIND AND HUMIDITY, OIL SYSTEM, AND FUEL SYSTEM What axis can only transfer vertical loads like the weight and side loads of the aft engine mount: - Z-AXIS AND Y-AXIS HELP ME, NOT ONLY WITH THIS TEST BUT THE MANY TEST OF LIFE THAT ARE SURE TO COME MY WAY. AND BE GRACIOUS WITH WHAT I HAVE OVERLOOKED. HELP ME TO REMAIN FOCUSED AND CALM, CONFIDENT, IN THE FACTS AND IN MY ABILITY, AND FIRM IN THE KNOWLEDGE THAT NO MATTER WHAT HAPPEN TODAY, YOU ARE WITH ME. AMEN.