DGCA Module 14 Propulsion 1st Session of 2017 covered airflow, compression, combustion and exhaust systems, along with fuel, ignition, lubrication and mixed type questions.
DGCA Module 14
1st Session of 2017
1. Vibration sensor are.
A) 1 to 2 sensors in engine
B) 3 to 4 sensors in engine
C) 5 sensors minimum
Answer
2. Low pitch high RPM used in turboprop engine.
A) During approach phase
B) During climb
C) During cruise
Answer
3. Reverse pitch in turboprop engine used.
A) During flight
B) After landing
C) During takeoff
Answer
4. FADEC, Full Authority Digital Engine Control also called.
A) Full authority digital electronic control
B) Automatic digital system
C) Full analog electronic control
Answer
5. When engine is not running, manifold pressure gauge will.
A) Show zero
B) Show ambient atmospheric pressure
C) Show maximum pressure
Answer
6. Caution/advisory messages shown in ECIAS.
A) Yellow marking
B) White marking
C) Red marking
Answer
7. Measurement of engine speed in terms of percentage is adopted for.
A) Turbine engine operation
B) Piston engine
C) Reciprocating engine
Answer
8. Measurement of engine speed in terms of RPM is adopted for.
A) Turbine engine
B) Reciprocating engine
C) Jet engine
Answer
9. Tachogenerator consisting of.
A) Delta connected coils
B) 2-phase induction type
C) Star connected 3-phase permanent magnet rotor
Answer
10. Standard procedure calls for disconnection of igniter lead coupling nuts at the exciter end.
A) Use bare hands
B) Use insulated tools
C) No tools required
Answer
11. Starter generator consist of.
A) Starter motor only
B) DC motor only
C) Starter motor and generator
Answer
12. When operating as starter motor.
A) Series field, compensating field, and commutating field used
B) Shunt field used when acting as generator
C) None of these
Answer
13. Electrode gap of igniter plug is.
A) Smaller than spark plug
B) Much larger than spark plug
C) Same as spark plug
Answer
14. Turbofan engine having.
A) Less noise
B) More noise
C) Equal to turbojet
Answer
15. EEC programming plug connected to.
A) FADEC channel A only
B) Channel B
C) Both channels
Answer
16. EEC uses a torque motor driver to control metering valve in FMU and.
A) Uses solenoid drivers to control function of FMU
B) Uses hydraulic system
C) Uses pneumatic system
Answer
17. Thrust is generated in turboprop system by.
A) Jet velocity
B) Moving a large mass of air slowly
C) Increasing exhaust speed
Answer
18. FMU (Fuel Metering Unit) located.
A) In front of accessory gear box and front of boost pump
B) Behind gearbox
C) Beside fuel tank
Answer
19. HMU provides three major functions.
A) Fuel metering
B) Fuel pumping
C) Variable geometry position system
D) All of the above
Answer
20. Starter generator.
A) Adds extra weight
B) Saves weight and space on engine
C) Reduces performance
Answer
21. Question relate to accessory gear box.
A) It drives engine accessories like fuel pump and generator.
B) It is located in the cockpit.
C) It controls the landing gear.
Answer
22. Gas turbine engine starts when rotates.
A) LP compressor
B) HP compressor
C) Turbine
Answer
23. Boyle’s law relationship.
A) Temp constant, pressure inversely proportional to volume
B) Temp constant, pressure directly proportional
C) Temp increases with pressure
Answer
24. Connection in EEC.
A) 3 connection
B) 5 connection
C) 7 connection
Answer
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