(all ans. given in last)
1. Trickle charging
in lead acid battery
a. prevent
sulphation b. for fresh &
fully charge
c. maintain
electrolyte
2. High pass filter
allow to pass
a. Carrier
frequency b. Audio frequency
b. Steady to dc level d. ATA
3. Refueling of the
a/c from stored can & barrel must be run with (old 9A)
A. Plastic fuel
strainer b. chamois’s & non conductive strainer
c. Chamois &
metal screen
d. any non conductive strainer
4. Higher resistivity
in which material
a. lead b. copper c. aluminum
d. silver
5. power factor in
R-C circuit
a. 0 b. between 0& 1 c. between 0 & -1 d. unity
6. Before fuelling
using pressure fuelling
a. Truck pump
pressure must be correct to the tank
b. Truck pump pr.
Equal to tank booster pump.
c.
--------------------------------------------------------------
7. RF frequency range
a. One band HF 3-30
mhz
b. Two band HF &
VHF
c. Three band HF ,
VHF & MF
d. Four band
HF,MF,VHF,UHF
8. Voltage gain 200 and current gain is 50 calculate power
gain
a. 4 b. 10000mA
c. 10000uA d. 10000
9. (Aˉ+Bˉ) boolen
algebra indicate
a. Aˉ+Bˉ b.
Aˉ-Bˉ
c. Aˉ.Bˉ
d. Aˉ.B
10. Oscillator
circuit used in
a. +ve feedback
b. –ve feedback c. zero feedback
11. NAND gate input
connected together the circuit is
a. OR
B. AND
c. NOT
d. NAND
12. In digital
circuit NAND GATE
a. OR b. NOT
c. NAND
13. During forming
process of al. alloy making repair (15A pg.144)
a. Hammers and mallet
c. rotary machine used
b. Hit & try to
max. achieve
14. Bend allowance is (15A pg.146)
a. Thickness of
material to bend
c.length of material required
to bend
b. Radius of material
to bend
15. 20000 Ω/v
a. 5ma b. 20mA c. 50
mA d.200 mA
16. Smoke detector
used in cargo & baggage compartment
a. Chemical detector
b. photo electric
cell
c.fire detector
17. Fittings used in
a/c
a. Thimble b. shackles c. terminal d.
ATA
18. Which pin used in
tierod terminal& secondary control
a. Tapper pin b. flathead pin
c. cotter pin d. both a&b
19. Turnbuckles are
fitted in cable assembly for purpose of
a. Making for minor
adjustments
20. Convert binary to
decimal 10110101
a. 254 b. 264
c. 181
21. An aircraft cable
have
a. High mechanical
efficiency c. setup by without
backlash
b. Important for
precise control
d. ATA
22. MTCS regarding
cable wire
a. The dia of the
wire determine the total dia of the
cable
b. Length of the
cable c. material
23. In primary
control cable is used
a. 7×19
24. a/c control cable
made of
a. carbon steel
25. which fastener is
used for securing cowlings
a. gust lock
fastener
c. camloc
b. shakproof
d. both 1&3
26. bulb diagram
a. r1 will glow b. r2
will glow c. both r1&r2 will glow
d. none
27. part no.
AN470AD3-5 AD indicates
a. 2017-T b.2024-T
c.2117-T
28. Universal head
rivet combination of
a. Countersunk ,
brazier head c. countersunk ,flathead
b. Flathead, brazier
head
29. Rivet is
identified by
a. Part number b. AN standard no. c.MS standard no.
d. ATA
30. In rivet head
marking indicate
a. Material
b. coating
c. heat treatment d. ATA
31. Solid shank rivet
identified by
a. Shape b. color c. size
of shank
d. ATA
32. NAS stand for
a. National aerospace
standard c. national aviation standard
b. National aircraft
standard
33. Which washer is
used in high vibration condition
A. Shakeproof lock
washer
c. lockwasher
B. Special washer
34. Regarding
helicoil MTCS
a. Made of 18-8
stainless steel wire c. have diamond
shape cross section
b. Threads in unified
coarse
d. ATA
35. Which type of
micrometer used with torque wrench
a. Flexible beam c. rigid & frame
b. Rachet type
d. ATA
36. Identified
aircraft nut diagram
a. Boosts aircraft
nut
c. elastic stop nut
b. Elastic self
locking nut
37. The castle nut
AN310 is used in drilled shank
a. AN hex head bolts
c. eye bolt
b. Clevis
d. ATA
38. Bolt
identification diagram
a. AN standard steel
bolt
c. AN standard steel bolt(corrosion
resistant)
b. Close tolerance bolt
39. MTCS
a. When bolt is
tightened nut is hold &bolt head is turn
b. Screw is turned by
its head
c. Threaded screw is
pointed
40. Brinell hardness
no. measure
a. Dia of impression
b. resistance to penetration
41. Which treatment
is reduce the hardness of harden steel
a. Normalizing
b. annealing
c. case hardening d. tempering
42. H2 indicate
a. Strained hardened
only b. strained hardened &
partially annealed
43. Lockbolt diagram
identified
a. Pull type b.
stump type
c. blind type
44. Intergrannular
corrosion which type NDT method used
a. UST
b. eddy current c. x-ray
45. Aircraft cooling
system consist of
a. A source of
compressed air, heat exchanger,
turbine
b. Bleed air ,
turbine , heat exchanger
46. Chord line
a. Leading edge to
trailing edge
b. Wing tip to
tip
c. Trailing edge to
leading edge
47. EFIS MTCS
a. Indicate all
engine parameter
48. Identifiy line
diagram
a. Visible b. stitch
c. datum
49. Aircraft jacking
MTCS
a. At least 4 jacking
points provided for jacking purpose
b. Jacking leg does
not interfere to any aircraft
system
c. Before jacking
parking brake should be ON
d. ATA
50. 1159000000
indicates
a. 115.9MHz
51. Demagnetization
by holding the parts done by
a. AC current b. DC current
c. both AC & DC
52. Slat is used
for
a. Reduce stalling
speed
c. drag increase
b. Speed increase in
takeoff
53. Micrometer
vernier scale reading
a. .2792
54. Micrometer
reading
a.1.472 b. 1.456 c.1.45
d. none
55. Leveling of
aircraft carried out by
a. A scale used with
plumb bob placed with level
longitudinally &
laterally
56. Regarding tie
down MTCS
a. Tie down connect
to lift strut
b. The 1 inches
slackness provided for movement
c. ----------------
d. ATA
57. Useful load
a. Max. gross weight
– empty weight
b.
58. For engine
starting which type fire extinguisher is used
a. Co2 c. halogenated
b. dry powder
59. Which generator
have poor voltage regulation
a. Series
b. shunt c. compound
60. Which type fire
extinguisher is used on class c fire
a. Co2
c.dry
powder
b. Halogenated
hydrocarbon
d. both a & b
61. In case of short
circuit of capacitor ohmmeter indicates
a. Infinity b. reads zero & stay there
62. Semiconductor
diode measure in ohmmeter what it will indicate
a.Low resistance in
both portion of lead c. high
resistance in portion of the lead
b. one side of
portion high & opposite side low resistence
63. Self inductance
one hennery equal to
a.10v & one
amp/second c. 1v &10 amp/second
b. 1 milivolt & 1
amp/second
d. one volt & one
amp/second
64. The iron core
provide in transformer
a. Low reluctance for
magnetic line of force
b. Reduce Eddy
current loss
65. Inverter MTCS
a. It convert dc to
ac
c. rotary inverter consist of AC motor &
AC
generator
b. Solid state static
inverter used as a rectifier d. ATA
66. NOT gate
indicate
a. Inverse
67. Battery
connection MTCS
a. When removing
battery negative lead remove
first
68. Bypass ratio
A. Ratio between air
flow core of the engine & fan
air
69. Engg. Drawing Round
solid section
indicate
70. Total piston
displacement
a. Depend upon
compression ratio
b. Piston
displacement in cylinder
c. Both a&b
71. Kirchoff mesh law
a. ЄIR = 0
b.
72. ATA code 27
a. Air condition b. auto pilot
b. c. Fire
protection
d. Flight control
73. R.M.S. value of
half wave circuit current is 10 amps , what will its value for full wave
a. 14.14 amps
c.20 amps
b. 14.14 Ω
74. While storing the
aircraft in the hanger
a. The fuel tank
should be empty
b. The fuel tank
should partially filled
c. The fuel tank
should be filled
75. Taxi signal
a. Left turn
76. For the statement
“output is low when all inputs are high” gates are
a. Positive OR/
negative AND
b. Positive AND/
NEGATIVE OR
c. Positive NAND /
negative NOR
77. When lead is
increased then a point is reached when a faint luminious spark of bluish colour
appears along the length of counductor this effect is known as
a. Corona effect
78. 8 – bit resister
that store the memory o/p when read operation is performed
a. MDR
79. Computer which
receive data & does not transfer data
a. MAR & IR
80. Working principle
of airspeed indicator
a. Differential
pressure between and static and
pitot probe
81. Transistor is
used over vaccum tube having drawbacks
a. Transistor have
low power dissipation
b. Have low input
impedance
c. Dependent upon
temp.
d. ATA
82. A metal which can
be hammered , rolled or pressed into various shapes without
cracking ,breaking or
leaving some other detrimental effect
a. Malleability
83. Which type of
aluminum used in aircraft construction for stringer , bulkheads , skin , rivets,
extruded section
a. Wrought aluminum
alloy
84. A bolt is used on
shear load
a. Clevis bolt
85. A punch is used
of drive out damaged rivets
a. Pin punch
86. After servicing ,
electrical leakage in ni-cd battery should be checked by
a. Miliohmmeter c. miliammeter
b. Milivoltmeter d. any of the above
87. A D.C. generator
consist of
a. Rotating armature,
field windings ,pole shoes
88. Moving coil
instrument measure
a. Only D.C.
C. Both AC & DC
b. Only A.C.
89. IN repairing the
primary & secondary structure
a. Structural repair
manual
90. The welding
method suitable for welding tools & equipment is
a. TIG
b. Gas metal arc
welding
c. Shielded arc
welding
91. After welding if
found pitting adjacent the weld it probably indicates
a. Rapid cooling
b. Excessive heat
during welding
c. Both A & B
92. During flight
instances , when angle of attack increases , centre of pressure moves
a. Forward move
93. Most of the
aircraft use 400 hz AC system use because
a. Has high inductive
reactance
b. As in a & this
allows to use of small motors &
equipments
94. After charging
ni- cd battery if any of the cells are found unbalanced the battery
should be
a. Deep cycled
95. 1180 about
aluminum alloy means
a. 99.8% pure
aluminum alloy with one control over
heat treatment
96. Regarding
aircraft wire AN-20 and specification MIL- W-5806
a. It is Copper
wire c. aluminum wire
b. As in 1 and has
high conductance air than in
conduit
97. Identify
diagram
a. Automatic , push
reset, push reset &pull off,
switch type
98. When drilling
soft metal the cutting angle
a. 90 degree
b. 118 degree
99. When charging
lead- acid battery that indicate
a. Cathode plate
color chocolate brown
b. Voltage increase
c. Sulphuric acid
specific gravity decrease
100. When hydraulic
lock detected
a. Remove either
front or rear spark plug and rotate
through.
NOTE:- DIAGRAMS ARE NOT GIVEN IN ANY QUE. FOR QUE, WITH ALL DIAGRAMS DRAWN,
Ans.
3c,
4d, 7d, 9c, 10a,
11c, 13a, 14c, 16b,
17d, 18b, 19a, 20c,
21d,
22a, 23a, 24a, 25c,
26c, 27c, 28b, 29d,
30a, 31c, 32b,
33a,
34d, 35b, 36a, 37d,
38c, 39b, 40a, 41b,
42b, 43b, 44a,
45a,
46a, 47, 48c, 49b,
50a, 51, 52a, 53a,
54c, 55a, 56b, 57a,
58c, 59a, 60d,
61b, 62, 63d, 64a,
65a, 66a, 67a, 68a,
69, 70c,
71a,
72d, 73a, 74c, 75a,
76c, 77a, 78a, 79a,
80a, 81,d, 82a, 83a,
84a,
85a, 86, 87a, 88c,
899a, 90c, 91b, 92a,
93b, 94a, 95b, 97a,
98a,
99,
100a.