1. EGT measuring thermocouples
are connected in
(a)
Series
(b)
Parallel
(c)
Series parallel
2. Angle of attack of a propeller
is
(a)
Angle between chord line and plane of rotations
(b)
Angle between chord line and relative wind direction
(c)
Angle between chord line and longitudinal axis the
aircraft
3. Mark the correct statement
(a)
Geometric pitch is the distance traveled by propeller
in one rotations
(b)
Effective pitch is the actual distance traveled by the
propeller in on rotations
(c)
Slip is the difference between geometric pitch and
effective pitch
(d)
All of the above
4. Mark the correct statement
regarding propeller tracking
(a)
Propeller tracking is determining tip position relative
to others propeller
(b)
Static balancing of propeller
(c)
Dynamic balancing of propeller
(d)
All of the above
5. Mark the correct statement
(a)
In alpha range blade angle is controlled by governor
6. Compressor blades are attached
with disc
(a)
Dove tail
(b)
Fir tree with various locking
(c)
-------------------------
(d)
as above (a) & (b)
7. Reduced cooling air
requirements by 50 percent and decreased wt. By 20% is in which system
(a)
Airflim cooling
(b)
Transpiration cooling
(c)
Impergement cooling
(d)
Finwall
8. Mark correct statement
regarding gas turbine igniter
(a)
Gap is more engine to reciprocating because operating
provision
(b)
As (a) and less fouling problem
(c)
As (b) and high energy
(d)
As (c) and
Condition lever (propeller lever)
controls – free power turbine (Nf)
Power lever (Throttle)
controls - FCU & has generator
turbine (N8)
If instruction indicating high /
rise then compressor combination
If instruction indicating low /
decrease then turbine de effectors
9. Shrouding of turbine blades
(a)
Reduces tip loss
(b)
As (a) prevent excessive vibration
(c)
As (b) and prevent twisting
(d)
As (c) and operate cool as extra mass in tip at reduced
speed
10. Mark correct statement
(a)
Thrust reverse is used in the fan discharge
(b)
50% reverse thrust provided 35 to 50%
(c)
Core engine exhaust is used for forward thrust
(d)
All the above
11. Wet thrust rating is
(a)
Water injection is on
(b)
Cooling period of engine
(c)
Water injection off
(d)
Diffuser
12. Water is injected in
compressor inlet and difficult then
(a)
Surge line shifts down
(b)
Surge line shifts away
13. Speed droop is common to all
mechanical governors to reduce these problems
(a)
Use a weaker spring
(b)
Make metering valve narrow radially
(c)
Decrease pressure difference across metering valve
(d)
All of the above
14. Mark the correct statement
(a)
Paper cartage type filter used in low preside
(b)
As 1 and screen disc type filter used I hi pr side
(c)
As 2 and
(d)
All of the above
15. For lubrication
(a)
Hi viscosity index oil lis required
(b)
Hi acidity oil is used
(c)
Hi pour point oil is used
(d)
All of the above
16. Mark the correct and
statement
(a)
Scavenger pump is centrifugal type of the larger
capacity
(b)
Pr pump is centrifugal type
(c)
Scavenger pump capacity is smaller than Pr. Pump
(d)
Both pump are gear type
17. Pressure relief valve pr I
equipped with centrifugal boast arrangement
(a)
Boost pump pressure
(b)
Main pump pr
(c)
Filter pr
(d)
All of the above
18. In starter generator
(a)
Two field winding are used
(b)
One common armature is used
(c)
Starter is used for starting of generator for
electrical power
(d)
All of the above
19. In gas turbine engine
(a)
Starter is disconnected as soon as light off
(b)
Starter is on to give specified speed to engine
20. In performance monitor ring
all parameter are in increasing order then it shows failure
(a)
Turbine
(b)
Compressor
(c)
Combustion
(d)
In let guidvave
21. During starting fire, fire
extinguisher is discharge
(a)
Engine is cleaned
(b)
Engine replaced and sent to shape
22. Blending is done to
(a)
Recountering the blade
23. For the maintenance purpose
engine is divide in the two section, in hot section
(a)
Turbine combustion exhaust nozzle
(b)
Turbine, diffuser, exhaust nozzle
(c)
HP compressor, combustion, exhaust nozzle
(d)
HP compressor, combustion, turbine
24. FCU senses
(a)
Rpm
(b)
As I and CDP
(c)
As 2 and EDP
(d)
AS 3 AND cip
25. In helicopter which engine is
used
(a)
Turbo shaft
(b)
Turbo fan
(c)
Free power turbine (N1)
(d)
Above 1 & 3
26. Advantage of centrifugal
compressor
(a)
Hi pr ratio per stage
27. In convergent nozzle used in
supersonic speed
(a)
Pr. Increased volume decreased
(b)
Velocity increased
28. Bleeding check
(a)
Bleed valve closed
(b)
Bleed valve open
(c)
Variable stator vane close
29. TSFC is
(a)
Directly proportional to compression ration
(b)
Indirectly
30. Mark correct statement
(a)
Thrust due to pr fall is more than thrust increase due
to temperature fall
31. Mark correct statement
(a)
Most compression engines using annular combustion
chamber
(b)
Can – annular is best efficient
32. Which one is fuel flow rate
indicator without motor
(a)
Vane type
(b)
Impeller – turbine type
33. Mark the correct statement
(a)
Red radial line is maximum permissible range
34. In two wire thermal switch
fire detecting
(a)
Open circuit will give indication
35. In modern vibration indication
system
(a)
It consists of pick – up, signal conditional indicator
(b)
Later – piezoelectric – acceleration
(c)
Later – electromechanical velocity
36. Rhumble occurs
(a)
P & D valve malfunction
(b)
FCU malfunction
(c)
Fuel nozzle partially clogged
(d)
All of above
37. Which component is not
mounted on engine
(a)
Boost pump
(b)
Pressure pump
(c)
P & D valve
38. Mark correct statement
regarding oil pressure indicating system
(a)
Thermocouple
(b)
Autosyn
(c)
Temperature buld
39. Anti icing valve is used for
(a)
To avoid ice formation
(b)
-----
(c)
----
(d)
---
40. In fuel metering valve
(a)
Orifice area is varied
(b)
A constant fuel pressure across valve
(c)
1 2 2 are correct
(d)
-------
41. Which is fire-extinguishing
agent
(a)
Freon
(b)
Bromochloro difloromethane
(c)
Bromo fluoromethane
(d)
All of the above
42. Triming is carried out when
(a)
FCU is changed
(b)
Specific gravity of fuel
(c)
For performance recovery
All of the above