TOTAL QUE 80
1. Torque meter is used in
(a) Turbofan
(b) Turbo
shaft
(c) Turbo
prop
(d) All
of the above
2. Mark correct statement
(a) Throttle
control & propeller control is interconnected I the ground operation
(b) In
flight propeller control is interconnected in the ground operation
(c) ---------------------------------------------------------------------------------
(d) Both
1 & 2
3. If throttle of constant speed propeller is reduced
slightly
(a) Pitch
angle reduce
(b) Pitch
angle increase
(c) Pitch
angle remains same
(d) Pitch
angle will reverse
4. Antiicing operation check is viewed by
(a) Fluctuation
of RPM
(b) Fluctuation
of EPR
(c) Flickering
of antiicing valve
(d) TGT increase
5. Notch in turbine blade is
(a) To
measure wear
(b) Relieve
stress
(c) Giving
thickness
(d) Air
seal
6. Aluminum propeller blade cleaning is done by
(a) Acid
(b) Caustic
soda wash
(c) None
7. Mark the correct statement
(a) Governor
speed progressively increases as load added
(b) Governor
speed progressively decreases as load added
(c) Governor
speed remains constant as load added
(d) Governor
speed remains constant as load removed
8. Mark the correct statement
(a) Governor
droop is decrease of speed when load added
(b) Governor
droop is increase of speed when load unloaded
(c) Droop
makes stable
(d) All
of the above
9. Mark the correct statement regarding ass flow rate
(a) Proportional
to pressure & inversely proportional to temperature
(b) Proportional
to pressure & temperature
(c) Proportional
to temperature & inversely proportional to pressure
(d) Proportional
to temperature & inversely proportional to square root to temperature
10. In modern APU
(a) Load
control valve can be adjusted only after shut down
(b) Load
control valve works in conjunction of surge valve
(c) Clockwise
rotation of trimming means increasing
(d) All
of the above
11. Compressure blade is loose fit due to
(a) Reduce
vibrational stress
(b) Ease
of removal
(c) Temperature
compensation
(d) All
of above
12. If EPR reads 2.4 then turbine discharge pressure is 2.4
times of
(a) Inlet
static pressure
(b) Inlet
ram pressure
(c) Ambient
pressure
(d) Compressure
inlet total pressure
13. Last chance filter in the oil system screen type
(a) Cleared
during engine overhaul
(b) Prevent
clogging of jet
(c) Cleaner
during 100 hrs inspection
(d) Both
1 & 2
14. Engine preservation depends on
(a) Times
remains inactive
(b) Duration
of preservation
(c) Depends
on engine rotation
(d) All
of the above
15. Mark correct statement regarding double entry
centrifugal compressor
(a) Prevent
tip velocity loss
(b) Air
entry from both side of comrpessure
(c) Required
big inlet chamber
(d) All
of the above
16. After burner thrust augmentation
(a) Thrust
of basic engine can be increased
(b) Thrust
increase by after burner for take off climb for military aircraft
(c) Both
1 & 2 are correct
(d) None
of the above
17. If JPT is high then water is injected in
(a) Inlet
(b) Diffuser
(c) Both
(d) Combustion
18. If water is injected in the diffuser
(a) Mass
flow increased in entire engine
(b) Less
pr. & temp drop in turbine hence more pr. in tail
(c) ----------------------------------
(d) All
are correct
19. I water in injected in the inlet and diffusers
(a) N1
shift towards surge
(b) N1
shift away surge
(c) N2
shift away surge
(d) Both
N1 & N2 away surge
20. Variable propelling nozzle is used due reduce TSEC
(a) By
pass engine
(b) After
burner
(c) Water
injection
(d) All
of above
21. Velocity in combustion chamber is reduced
(a) Increased
static pr
(b) Ease
of burning
(c) ----------------------
(d) ----------------------
22. Stable combustion means
(a) Low
emission
(b) Combustion
alighted over long range
(c) As
1 & 2
(d) --------------------------------------------
23. In can annular liner
(a) Continues
shroud
(b) Circular
& outer
(c) Inner
& cylindrical
(d) As 2
& 3
24. Mark incorrect statement regarding combustion chamber
drain valve
(a) Mechanically
operation by spring force
(b) Failure
of valve gives false start
(c) Located
in LH or RH side bottom
(d) None
of the above
25. Canted vanes in the first few stage of compressor
(a) Increase
pressure
(b) Increase
velocity
(c) Increase
temperature
(d) Reduce
boundary layer separation
26. Knife edge (profile) blade
(a) Wears
& sets tip clerance
(b) Used
in supersonic aircraft
(c) Is
not used
(d) Used
in turbine blade
27. Repair of compressure or fan blade is called
(a) Grinding
(b) Brinelling
(c) Galling
(d) Blending
28. Balancing of compressure
(a) Individual
stage is balanced
(b) As a
unit balanced
(c) Both
1 & 2
(d) Not
required
29. Turbine blade design is based on
(a) Corrosion
resistance
(b) Creep
(c) Fatigue
& vibration resistance
(d) Both
2 & 3
30. Fatigue stress causes
(a) Elongation
of blade
(b) Crack
in LE & TE
(c) Change
of shape
(d) All
of above
31. Mark current statement regarding radial inflow turbine
(a) Air
enters at eye & leaves at radial outward
(b) Used
in big engine
(c) Air
enters at peripheral nozzle & flows radial inward
(d) As 2
& 3
32. Function of NGV is
(a) Convert
PE to KE
(b) Convert
KE to PE
(c) Directs
air perpendicular to bucket
(d) As 1
& 3
33. In pure turbojet engine temperature drop across turbine
is
(a) Same
as compressor
(b) About
same as compressor
(c) Higher
than compressor very low than compressor
(d) Very
low than compressor
34. For load balancing in the turbine rear stages
(a) More
turbine area is required
(b) More
length is required
(c) Less
turbine area is required
(d) As 1
& 2
35. If exhaust nozzle area is decreased
(a) CDP
increases
(b) CDP
decreases
(c) SFC
decreases
(d) As 1
& 3
36. What component prevent stall during low speed ground
operation
(a) Bleed
valve
(b) P
& D Valve
(c) Chock
Valve
(d) As 1
& 2
37. During starting starter & fuel flow are ok, but hung
start cuase is
(a) CDP
sensor loss
(b) CIT
loss
(c) -----------
(d) -----------------------
38. Mark correct statement
(a) Engine
running at high RPM & CDP lost then stabilize at idle
(b) Engine
running at idle RPM & CDP lost then stabilize at high RPM
(c) CDP
lost during starting it is a hung start
(d) All
are correct
39. Minimum fuel flow is critical
(a) Acceleration
(b) Deceleration
(c) Idle
(d) Ground
run
40. Which component is not installed in the engine?
(a) Fuel
pump
(b) FCOC
(c) Filter
(d) Boost
pump
41. Deareator is located in
(a) Scavenge
sub system
(b) Pressure
sub system
(c) Inlet
of the pump
(d) Oil
tank
42. After engine shut down oil found in the exhaust
(a) Seal
failure
(b) Bearing
seal failure
(c) Replace
engine
(d) Air
pressurization seal failure
43. Air tight seal is
(a) Carbon
seal
(b) Ring
seal
(c) Multi
grove seal
(d) Threaded
seal
44. Mark correct statement
(a) Pressure
pump capacity is scavenge pump
(b) Scavenge
pump capacity is more pressure pump
(c) Both
pumps capacity
(d) As 3
& both are located in oil system
45. Mg is found in SOAP analysis then failure is
(a) Gear
(b) Gear
box
(c) Bearing
(d) Bearing
shaft
46. Oil SOAP analysis then failure is
(a) Pin
point impending failure
(b) Take
sample for entire engine life
(c) First
sample gives food analysis
(d) As 1
& 2
47. Property of lubricating oil is
(a) High
flash point
(b) Low
flash point
(c) High
pore point
(d) Low
viscosity index
48. Synthetic oil is used in turbojet engine
(a) Corrosion
resistance
(b) Low
carbon / wax formation
(c) High
temperature operation
(d) All
the above
49. Input to hydro-mechanical FCU
(a) Burner
pressure compressure inlet pressure EGT
(b) Burner
pressure compressure inlet pressure, RPM
(c) ----------------------------------------------------------
(d) ----------------------------------------------------------
50. In part EEC system
(a) Control
till part throttle and then switch off.
(b) -----------------------------------------------------
(c) -----------------------------------------------------
(d) It is like FADEC
51. In supervisory EEC
(a) Develops
command
(b) Control
standard hydro-mechanical system
(c) Control
valve
(d) As 1
& 2
52. Acceleration & deceleration control is
(a) Flam
blow out
(b) To
prevent over flow
(c) For
max speed
(d) -------------------------
53. High power to weight ratio is in which starter
(a) Electric
starter
(b) Starter
generator
(c) Air
turbine starter
(d) Pawl
& ratchet starter
54. White repair AME increased length of thermo-couple
(a) Over
read
(b) Under
read
(c) No
effect
(d) Over
read at hi temperature
55. During feathering pitch angle
(a) Course
& higher
(b) Low
pitch
(c) Course
(d) Negative
56. Propeller lock LP solenoid
(a) -------------------
(b) -------------------
(c) -------------------
(d) -------------------
57. EGT gauge yellow amber arc
(a) Maximum
continues to maximum permissible
(b) Minimum
to continue
(c) Maximum
(d) As 1
& 2
58. Torque is measured by
(a) Helical
gear
(b) Rack
& pinion
(c) Spur
gear
(d) Planetary
gear
59. As altitude increases stall margin
(a) Reinold
No. Effect
(b) Increases
that’s why aircraft flying only at high altitude
(c) Decreases
(d) ---------------------------------------------------------------------
60. Trimble coil in ignition system
(a) Connected
parallel to primary capacitor
(b) Connected
series to primary capacitor
(c) Not
used in ignition system
(d) Used
in starting system
61. Shaft engine forward bearing is
(a) Baller
bearing
(b) Roller
bearing
(c) 1
+ is locator bearings
(d) 2 +
is takes radial load
62. MCS
(a) APU
generator frequency is maintained by CSD and is constant speed rated
(b) APU
does not have CSD in its operation and is constant speed rated
(c) APU
generator requires axial flow compressor and is constant speed rated
(d) Both
B and C are correct
63. MCS
(a) In
turbo-jet TSFC increases as airspeed increases
(b) In
turbo prop TSFC decreases as airspeed increases
(c) In
turbo prop TSFC increases as airspeed increases up to 450 mph
(d) Both
A and B are correct
64. MCS
(a) Temp
drop through turbines is greater than that of temp rise through compressor
(b) Temp
drop through turbine is same as the temp rise through same no of stages of
compressor
(c) Temp
drop through turbine is about the same as that of temp rise through compressor
(d) Temp
drop through turbine is less that that of temp rise through compressor
65. TSFC is
(a) Directly
proportional to the rpm
(b) Directly
proportional to the efficiency
(c) Inversely
proportional to the efficiency
(d) Directly
proportional to the compressor ratio
66. Primary function of inlet duct is
(a) To
convert kinetic energy of rapidly moving air stream into ram pressure rise
(b) To
convert potential energy into kinetic energy inside the duct
(c) To
convert potential energy into ram pressure rise inside the duct
(d) To
convert kinetic energy into potential energy outside the duct
67.Compressor inlet screens
(a) Are
found in rotorcraft TPE and ground turbine installations
(b) Are
sued mostly in axial flow turbojet engines
(c) A
+ have problems of icing and fatigue failure
(d) B +
if fitted they may be located either the inlet or the compressor inlet
68. Two shaft whose axes are at an angle to one another but
in the same plane to gear used
(a) Bevel
gear
(b) Spiral
bevel gear
(c) Spur
gear
(d) Helical
gear
69. Prime requirement for stator anes is (RR31)
(a) Corrosion
resistance
(b) Fatigue
strength
(c) Smooth
surface finish
(d) Heat resistance
70. Function of P & D valve is
(a) Flow
divider
(b) Dumping
fuel after engine shut down
(c) Fuel
pressure control
(d) All
of the above
71. Propulsive efficiency of high by pass turbofan is high
due to
(a) Same
length
(b) Small
turbine
(c) Small
dia
(d) All
correct
72. AME’s knows OAT is significantly shifted but TGT is same
at ground. In the high power run every thing is normal then snag is
(a) CIT
system
(b) CPP
system
(c) FCU
temperature compensator
(d) Throttle
missrig
73. Trimming means
(a) Adjustingidle
& max power
(b) Adjusting
exhaust nozzle
(c) Adjusting
throttle for full forward
(d) All
of the above
75. There is a problem in the turbine then
(a) Vibration
increases with RPM increases
(b) Vibration
decreases with RPM increases
(c) No
change of vibration
(d) None
of the above
76. Ignition plug correct statement (Compare to PE)
(a) Wider
gap
(b) Less
fouling problem due to high spark
(c) -----------------------------------------------
(d) As 1
& 2
77. Propeller feather
(a) Electric
cut out switch
(b) ---------------------------
(c) ---------------------------
(d) ---------------------------
78. Part throttle
(a) Throttle
movement less than full forward
(b) -------------------------------------------------
(c) -------------------------------------------------
(d) -------------------------------------------------
79. ----------------------------------------------------
(a) ------------------------------------------------
(b) -----------------------------------------------
(c) ------------------------------------------------
(d) ------------------------------------------------
Answers: 11 – d, 12 – d, 13 – d, 14 – d, 15 – d, 16 – c, 17 – a, 18 – b, 19 – c, 20 – b,
21 – b, 22 – c, 23 – c.
Answers: 24 – c, 25 – d, 26 – a, 27 – d, 28 – c, 29 – d, 30 – b, 31 – d, 32 – d, 33 – b,
34 – a, 36 – a.
Answers: 37 – b, 38 – c, 39 – b, 40 – d, 41 – d, 42 – d, 43 – c, 44 – b, 45 – b, 46 – d,
47 – a, 48 – d, 49 – b.
Answers: 50 - , 51 – b, 52 – a, 54, b, 55 – a, 56 - , 57 – a, 58 – a, 59 - , 60 – a.
Answers: 61 – d, 62 – a, 63 – d, 64 – c, 65 – c, 66 – a, 67 – c, 68 – b, 69 – b
Answers: 70 – d, 71 – a, 72 – a, 73 – a, 74 – a, 75 – a, 76 – d, 77 - , 78 - , 79 - , 80