1. The typical of combustion chamber for CFM56 is design as : A. Can-annular type with 20 fuel nozzles and 2 igniter plugs. B. Annular type with 20 fuel nozzles with two igniter plugs. C. Cannular type with 20 fuel nozzles. D. Annular type with 20 fuel nozzles with two layer. 2. How is the thrust rating defined on CFM56-5B ? A. by ECU. B. By a thrust lever selection. C. By an engine data igniter plug. D. By an engine data programming plug. 3. A starter valve access panel is provided for manual operation : A. On the right side fan cowl door. B. On the left side fan cowl door. C. On the right side thrust reverser C duct door. D. On the left side thrust reverser C duct door. 4. What bearings support the HP rotor ? A. On. 3 (double) and no. 4 bearing. B. No. 2 (double) and no. 3 bearing. C. No. 3 (dual) and no. 4 bearings . D. No. 2 and no. 3 (dual bearings). 5. The aerodynamic station no. 3 is : A. The LP compressor outlet. B. The HP turbine discharge. C. The HP compressor discharge. D. The combustion chamber discharge. 6. There is function of LP fuel pump : A. To provide fuel positive feeding to HP pump . B. To provide sufficient fuel supply. C. To reduce fuel flow. D. To regulate fuel flow to get thrust demand. 7. What is the purpose of the fuel return valve ? A. To depressurize the fuel system at engine shut down. B. To provide better fuel filtering during engine running. C. To regulate fuel flow to get thrust demand. D. To maiontain the IDG oil, engine oil, and fuel temperature within limits during engine running. 8. What happens when the engine Master Lever is set to OFF? A. Both LP and HP fuel shutoff valve are closed. closed . B. Both LP and HP fuel shutoff valve are opened. C. Only the HP fuel shutoff valve is closed. D. Just to confirm engine operation during shut down. 9. If one of the output ECU fail : A. Use output from the other chanel B. Goes to the fail safe position C. Stay at last position D. Engine goes to idle RPM 10. In case of input lost in the ECU, what happens? A. ECU used the same channel after calculation the input.
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B. Control goes to the fail safe position. C. Confirm engine operation during shut down. D. The channel in control uses values from other channel. Which of the followings is controlled by the FADEC? A. The throttle lever angle. B. Just to confirm engine operation. C. The engine thrust rating. D. Just the take off power. Which parameter are directly sent by the ECU to the ECAM? A. The primary parameter. B. The secondary parameter. C. Both the primary and the secondary parameters. D. The channel in control uses values. What happens in case of EIU power supply lost? A. EIU takes its power from the engine generator. B. EIU fails and engine restart is not possible. C. The ECU and ignition power is not available. D. Control goes to the fail safe position. When aircraft on ground, when does the ECU automatically depowered? A. At aircraft power up. B. 5 minutes after engine emergency shut down. C. ECU use the same channel after calculation the input. D. 5 minutes after the engine shut down. What is the purpose of the engine FADEC Ground power panel ? A. To restore ECU power. B. To restore EIU power. C. To cut off ECU power. D. To cut off EIU power. What kind of starter use in the CFM56 ? A. It is an electric starter. B. It is an pneumatic starter. C. It rotates due to power from ECU. D. It is an air tuirbine starter. Where are the igniter plugs located ? A. In combustion chambers at 1 and 7 o’clock. B. In combustion chambers at 6 and 12 o’clock. C. In combustion chambers at 3 and 9 o’clock.
D. In combustion chambers at 4 and 8 o’clock. 18. In which case can the ECU abort the start ? A. Automatic start and manual start. B. Manual start. C. Automatic start only. D. Wet motoring follow by high EGT. 19. Which type is the ignition system ? A. Low voltage, low energy. B. High voltage, low energy. C. High voltage, high energy. D. Low voltage, high energy.
20. In which case will the FADEC abort the start sequence, either in manual or automatic mode ? A. HP fuel valve not open. B. N1/N2 over-limit detected. C. Over pressure on LP fuel valve. D. EGT over-limit detected. 21. In automatic mode, the FADEC is able to automatically perform several start attempts : A. If an ignition fault occurs and hung start. B. If an EGT over -limit or a stall fault in occur. C. Wet motoring follow by high EGT. D. If starter fault, an EGT over-limit or a stall fault occur. 22. On CFM56-5B, what systems are included in the engine air flow controls A. VBV,VSV,TBV,systems. B. VBV,VSV,TBV,HPTACCsystems. C. VBV,VSV,TBV, HPTACC, LPTACC systems. D. TBV, HPTACC, LPTACC system. 23. For the VSV system, Which compressor stators are made variable? A. The 1ststage 2nd stage, and 3 rd stage stators of HP compressor. B. The 1ststage 2nd stage, and 3 rd stage stators of LP compressor. C. The IGV, 1st stage stator, 2 nd stage stator, and 3rd stage stator of HP compressor. D. The IGV, 1st stage stator, 2nd stage stator, 3rd stage stator, and 4th stage stator of HP compressor. 24. How is the operation of the VSV system? A. VSV open at low rpm, VSV close at high rpm. B. VSV open at takeoff power setting. C. VSV close at low rpm, VSV open at high rpm. D. VSV close at takeoff power setting. 25. What is the function of the TBV system? A. To relieve HP compressor discharge pressure at engine starting and acceleration. B. To relieve HP compressor discharge pressure during takeoff power setting. C. To minimize fuel flow and to prevent engine Over-speed. D. The reduce fuel flow and to prevent engine Over-heat. 26. What is used to the cool fan and core compartment :
a. RAM air for both compartments b. Fan air for both compartments c. Fan air for the fan compartment, and Ram air for the core compartment d. Ram air for the fan compartment, and fan air for the core compartment 27. Which engine parameters are displayed on the ECAM upper display : a. N1 and N2 ignition and start b. N1 and N2, VIB c.
EGT, N1 and N2
d. EGT, N1 and VIB 28. What is the purpose of the ENGINE MASTER switch : a. To open or close the HP fuel shutoff valve
b. To command and reset the FADEC function c.
To relieve HP compressor discharge pressure at engine starting and acceleration
d. Both to open or close the HP fuel shutoff valve, and to command and reset the FADEC function
29. In flight, with thrust lever between two detent points, what defines the N1 rating limit : a. The thrust lever position
b. The upper detent point c.
EGT over-limit detected
d. The lower detent point 30. In which condition does the ECU controls the opening of the HP fuel shutoff valve : a. Rotary selector is set in IGN START or CRANK position for start b. MASTER LEVER set ON position c.
Both on open or close the HP fuel shutoff valve, and to command and reset the FADEC function
d. Both Rotary selector is set in IGN START or CRANK position, and MASTER LEVER set ON position 31. What is the following problems that indicate by the RED message on the ECAM accompanied bythe flashing of the Master Warning : a. Fuel filter block b. Oil pressure filter block c.
Oil over heat
d. Low oil pressure
32. What is the logic of the reverse operation : a. TLA position and aircraft on ground only b. TLA position, aircraft on ground and reverse indication green c.
TLA position, aircraft on ground, engine running (N2 condiotion) and both SECs and EIU signals
d. TLA position, aircraft on air, and reverse indication blue 33. Reverser system actuation is provided by two solenoid valves which is energized by the : a. Electronic Control Unit (ECU)
b. Engine Interface Unit (EIU) c.
Throttle Control Unit
d. Fuel Control Unit (FCU) 34. What are the CFDIU simulate during the MCDU reverse test : a. The ground logic b. The N2 condition
c.
The N1 condition
d. The VIB condition
35. How is the indication for the thrust reverser operation : a. Green REV indication for full deploy
b. Amber REV indication for transit c.
Red REV indication for full stow
d. Blue REV indication for full thrust 36. The function of engine oil system is to lubricate the fol lowings : a. Bearing in forward sump, bearings in the aft sump, transfer gearbox, and accessory gearbox
b. Bearing in forward sump, bearings in aft sump and than return to oil tank c.
Return to tank after lubricate bearings in forward sump, bearings in aft sump, and accessory gearbox
d. Return to tank before lubricate beariings in forward sump, bearings in forward sump, and accessory gearbox 37. What does the master chip detector do in case of metal particles is detect : a. It sends a signal to the ECU b. It provides a warning to the ECAM system c.
To restore EIU power
d. It operates a visual indicator for ground inspection
38. What happens when the main oil filter is clogged : a. The oil flows through the bypass valve and the back up filter
b. There is difference within filter pressure c.
The oil pressure drops
d. The oil pressure over heat 39. Continuous ignition will be automatically selected when : a. Wing anti ice has been manually selected to ON b. Ground idle is selected by the EIU c.
The EIU has failed
d. To restore EIU power 40. The thrust reverser inhibition relay is energized by : a. The engine Electrical Controller b. The fuel control unit c.
The engine interface unit
d. Throttle revolver deploy signal
