1st of
2024
Module 11
Aviatian adda Aeroplane Aerodynamics Structures & Systems.
https://chat.whatsapp.com/JArFywZrZ2iKXqov1IZqIf
DATE : 14-03-2024
TIME: 1310Hrs
1. MTCS
a) discharge batteries tested
b) Deep cycling procedure is same for all type batteries
c) Electrical leakage is caused due to excessive liquid in cells ✅
d) Tools used on NiCd can be used on Lead Acid
2. Stall warning indication
comes a)before stalling speed √
b) Stalling stared at wing tip
c) stalling stared at wing root
3. is supplemented by Floats & External Cargo Pods
b) Ventral Fin ✅
a) dorsal fin
4. Behind oblique shock wave :
a) velocity increase
b ) static pressure increase ✅
c) density decrease
5. Anti Servo tab linked to main control surface thought
a)Jackscrew ✅
6. When AOA increased ,
a) resultant left rotate forward and CP forward ✅
b) resultant left rotate rearward and CP forward
c) resultant left rotate forward and CP rearward
d) resultant left rotate rearward and CP rearward
7. Sweepback Wing : low aspect Ratio & hig induce drag ✅
8. Stabilizer provide
Pitch trim ✅
9. Static Overbalance - upside travel of TE above the Horizontal , position
indicated by “ -ve sign “, Nose Heavy Condition✅
10 Where damage-tolerant design is not practical, philosophy designs
are required.
a) Fail safe
b) safe-life ✅
11. Line are drawn on aeronautical chart chart with no difference- Agonal Line (question language
was different)
12. A method used in modern aircraft for reporting in-flight faults to an engineering and
monitoring ground station is:
(a) TCAS II
(b) ACARS✅
(c) GPS.
13. DFDR “EVENT” button is for:
a) a discrete signal on the recording to highlight the timing of the event ✅
14. Advantages of fibre optics :
a) Relative freedom from electromagnetic interference
b) Electrical isolation and freedom from earth/ground loops.
c) wide bandwidth and very high data rates can be supported
d) reduced noise and cross-talk compared with conventional copper cables
e) ATA✅
15. Outflow valve position until take off
A) closed fully
B) open✅
A- cargo from shifting ✅
16. Cargo nets and barrier are used to keep.?
B- cargo from mixing
C- both
A- rear spar is heavier than front spar ✅
17. In HS.?
B- front is heavier than rear
C- none
18. O2 cylinder pressure
a) 4000 -5000 psi
b) 2000- 3000 psi
c) 1800 -1850 psi✅
d) 1000 – 3000 psi
19. Amphibians plane-
a) Floats
b) Hull
c) Both (a) & (b) ✅
20. A330/A340 uses-
a) ARINC 429 ✅
b) ARINC 629
c) MIL-STD-1553B
21.IMA system used electrical load monitoring & load shedding-
a) B777 ELMS
b) B777 AIMS
c) Honeywell EMC
d) All✅
22.High pressure pneumatic system sometimes used for-
a) Opening and closing doors
b) Opening emergency devices such as brakes and landing gear
c) Driving hydraulic pump, alternators, stators, water injection pumps.
d) All the above ✅
23. A most of the rinse nozzle is fitted to the
a) Bottom of the tank
b) Middle of the tank
c) Top of the tank✅
24-------------empty tank located in the wing structure outboard of the main tank one used for
fuel overflow
a) surge tank✅
b) wet tank
25.When the used Gust lock-
a) At A/C taxing
b) At A/C parked✅
c) At A/C Towing
26. When refilling of O2 cylinder
a) Overheating✅
b) Overflow
c) Contamination
27. fluid is drawn through the Stand pipe When the system fluid is lost, emergency fluid is
drawn from the bottom of the tank.
a) Normal condition✅
b) Emergency condition
28. Mark the incorrect water drain valve
a) Drain valve are self-cleanable
b) as in a When flush handle is extended , flush mechanism unlatched✅
c) as in a When flush handle is extended , flush mechanism latched
29. which primer is normally thinned with petroleum thinner such naphtha or mineral spirit-
a) Red Iron oxide✅
b) Zinc chromate
c) Epoxy primer
30. MTCS – about toilet tank flushing system of-
a) Flushing handle, pipe, waste collection tank, pump switch everything under the tank
b) As in (a) bowl ✅
c) Pump, pipe everything under flush but flashing switch is locked
31. Purpose of sealing (sealant) compound-
a) For aerodynamic sealing and corrosion prevention
b) To prevent pressurization leak
c) To prevent fuel and fluid leak
d) All the above✅
32. Inmarsat system is inactive in-
a) Western region
b) Polar region✅
c) Eastern region
33. MTCS regarding Furnishing and installation –
a) Tested to ensure that specification for flammability and smoke production are low
b) As in (a) sidewall, veeners, seat covers, curtain, partitions carpet and all material adhere
to CS-25✅
c) B+ also adheres to TSO-20.
34. Electromagnetic Interference (EMI) on the strobe light can be minimized by
a) Shielded cable can be used between power source and strobe light✅
b) Unshielded cable can be used between power source and strobe light
c) EMI has no effect
35. Gyro instrument that gives rate of rotation about vertical axis
a) Turn & Slip Indicator✅
b) Attitude Indicator
c) Heading Indicator
36. Open architecture in IMA
a) 1st generation
b) 2nd generation
c) 3rd generation✅
37 Inflight fault to ground maintenance station by
a) AIDS
b) ACARS✅
c) TCAS 2
d) GPS
38.with increase in temp in kidde sys wire resistance
a) increase
b) decrease✅
c) un affected
39.For towing operation
a) all doors closed
b) all doors closed and stairs rejected
c) all doors closed, stairs retracted and gear down lock installed.✅
40. wire carrying the forward in the chord wise direction ?
a) Drag wire
b) Antidrag wire✅
c) rope
41 loadable software are of 3 types
a) LSAP
b) UMS
c) OSS
d) All ✅
42.Defect which can occur in laminated windscreens characterised by the separation of glass layer fromthe
vinyl interlayer is called
A. Vinyl plies
B. Polycarbonate
C. Delaminations ✅
43.Which milling is for skin deep group/ cuts
a) chemical milling
b) electrochemical milling ✅
c) both
44. Nonretractable (fixed) landing gear is generally attached to structural members of the
a) Bolts ✅
airplane with
b)welding
c) Shock chord
45. What is often used in non retractable (fixed) landing gear to cover the wheel and tire to
reduce their drag
b) Rivet C)Wheel fairing ✅
a) Wheel part
46. Nonretractable landing gear may have
a) cantilever type without bracing
b) cantilever type with bracing,
c) it may be of the cantilever type with additional bracing or it may be of the cantilever type
without any additional bracing.✅
47. Canards
a)creates lift and holds the nose up, as opposed to the aft tail design which exerts downward
force on the tail to prevent the nose from rotating downward ✅
a) anywhere in the world ✅
48. The iridium network allows voice and data massage to be routed
b) between flight crew and cabin crew
c) via fibre optic network
a) Structure fuse ✅
49. In case of emergency it will separate the engine from the structure
b) special engine mounts
c) engine mount
50. Fuel jettison system
a) It is used on modern aircraft
b) it's used on large aircraft
c) it is used on aircraft having landing weight less than takeoff weight ✅
51. MTCS
b) as in a included first aid kit ✅
a) emergency equipment are fire extinguisher, life raft, escape slide
c) emergency equipment does not include first aid kit
a) within arm's reach of the pilot while sitting ✅
52. requirements for equipment location on the flight deck are described as
b)within arm's reach of the passenger while sitting
c) within arm's reach of the cabin crew while sitting
53. An EASA Form 1 or FAA 8130-3 should accompany any that is required to meet a
specific airworthiness or operational requirement or regulation, or certification specification.
a) DFDL
b)LSAP
c)both
54. Construction of control surfaces is similar to
b) stabilizer ✅
a) wing
c) fuselage
55. Light aircraft are designed to operate at maximum cabin difference pressure of about
b) 3-5 psi ✅
a) 9 psi
c) 12 psi
a) electrically control pneumatically operated ✅
56. Refrigeration bypass valve
b) pneumatically control electrically operated
c) pneumatically control pneumatically
operated d)electrically control electrically
operated
a) before each flight ✅
57.Emergency equipment like oxygen system are to be checked
b) once in a week
c) pressure check not required since they are not used each time
58.MTCS
a) Density decrease when altitude increases
b) pressure decrease when altitude increases
c) Temperature decreases with the increase of altitude but it remains constant after a
certain height Seat pitch
d) All ✅
59.What method is used for balancing of flight control without removing
a) Mass balancing
c) Computation method ✅
b) Aerodynamic balancing
d) Scale method
60. Source of high pressure pneumatic system:
a) engine driven
b) ground air and nitrogen
c) onboard compressor
d) All ✅
61. Altitude can be measure by using
a) temp
b) air pressure ✅
c) air speed
62. seat pitch
a) aft and forward space of seat ✅
b) left and right
63. Seat pitch
1 inch increment between 2 rows of seating ✅
64. MTCS
a) Engine bleed air is provided for pressurization, wing anti ice
b) a + high-volume 3 to 4 inch ducts used for engine starting ,Wing Anti Ice,
Air Conditioning ✅
c) a + Small diameter ducts are used for Starter and wing anti ice
& pressurization
65. Fire Extinguisher used in cabin or cockpit is
a) Halon ✅
b) CO2
c0 Both
66. Capacitor type fire detector :
A)Half wave rectifier
✅
b)Full wave rectifier
67. The vast majority of aircraft being manufactured today, including all transport-
a) tricycle configuration ✅
category aircraft, are of the
b) Conventional-geared type
68. During engine starting , bleed air is take preferably from (question language was different)
a) Opposite Engine
c) Apu ✅
b) Right engine
a) Orange Peel ✅
69. In large reciprocating engine cowling
b) red peel
c) yellow peel
70. Iridium System
users a)Low earth orbit
✅
71. Cabin monitoring system
a) fasten seat belt
b) no smoking
d) All ✅
c) cabin temperature
72. paint components
b) 4 ✅
a) 3
c) 5
73.Thermocouple (EASA Techbook Page-8.4)
d) b. Rate of rise temperature✅
a. Heat sensitive
74.Fly-by-wire (FBW) control system (EASA-
Techbook Page-9.12)
a. Employs electrical signals that transmit the
pilot's actions from the flight deck through
a computer to the various flight control
actuators.
b. To reduce the system weight of the
hydromechanical system, reduce
maintenance costs, and improve reliability.
c. To changing aerodynamic conditions by
adjusting flight control movements so that
the aircraft response is consistent for all
d. All of the above. ✅
flight conditions.
75.Air speed Indicator
1) ram air and static ✅
2) ram air and pilot air
3) only pilot air
76.BITE is
a. Real time monitoring
b. Go-no go status of particular unit
d. All of the above ✅
c. Provide indication of fault
Center of the piston✅
77.MTCS on double acting actuator
78.Vertical member in fuslage
A) frame
B) bulkhead
C) frame and bulkhead ✅
79.Refrigeration bypass valve
a. Upstream
d. Electrically controlled
C. Downstream
D. Both a & b
Pressurization✅
80. Hoop stress due to
81.Principle load carrying menber of wing
Spar ✅
Skin
Fuselage
82.On modern aircraft equipped with digital aircraft monitoring system with LCD
display , such as EICAS or EICAM , the pressurization panel may contain
Gauges
No gauges ✅
Instrument
Power to weight ratio more ✅
83.Ni- cd batteries advantage
Voltage to weight ration more
Capacity to weight ratio more
84.Liquid on the top of battery to cleaned with
Stiff brush +✅
Wire brush +
Wire brush +
85.MTCS about toilet system
toilets✅
Vacuum blower is associated with each waste tank regardless of number of
86.Lap & wave winding
Only wave wave winging wound in duplex & triplex
Only lap winding wound in duplex &triplex
Reduction in EMI due to fault in armature
87.Bleed air isolation valve is used to provide
Cross bleed opearation ✅
88.Pressure in hydarulic system reduced to 1000 psi for
A) Landing gear
B) Passenger door
C )Nose wheel steering
D) All ✅
89.Information system is for
Flight crew
Cabin crew
Maintenance person
All ✅
90. M T C S
Class one fluid is low density and weight saving ✅
91.M T C S
As in a & left wing drop and right wing ascend causes aircraft to turn left ✅
Pilot moves control coloum left then left ail;eron goes up & right goes down
92.De-icer boot material
Neoprene✅
93.CO2 fire extinguisher used on
a) APU
B) LIQUID FLAMABLE
C) ELECTRICAL FIRE
D) ALL✅
94.Class D fire
Same metal✅
95.During rebalancing of flight control surface
a) in ex tream d eflected p o sitio n so th at co rrect calcu latio n can b e d o n e
b)should be removed fromcontrol surface
c)should be secured in neutral position✅
96.Kinks , cracks & short in wire
M u lti m eter
M eag er
Tap test
97.Control surface constructed with combination of material with most common combination is
a) sheet metal structure usually made of ALalloy cover with metal skin.
b) as in a) composite structure ✅
c) sheet metal
d) all
98.Sweep back wing effect
a) delay formation of shock wave✅
b)advance formation of shock wave
c) does not any effect of shock wave.
99.For longitudinal balance
Trim tank ✅
Pitch tank
Balance tank
100.shear strenght of a material ........ that a
A) less
b) more
c ) equal or less✅
101.…
.….imposed on wings in flight are stated in terms of factor
Load ✅
Weight
Lift
102.Bus bar related (something like which one not allow simultaneous operation)
P arallel
Split
Series
103.…
.…com
. ponents are those components of aircraft that transfer the forces exerted on the aircraft fromone location
to another
Structural ✅
Non Structural
104.Load on landing gear absorbed by
Shock strut
W h eels
Both
105.M T C S
Hydraulic systemparameter that are captured in analog format &converted to digital format ✅
106.Defogging in windows & windshield
Electrical ✅
107. One more question of software
LSAP
S (as per majority people this was correct )
UM
108. Oxygen system related
The diluter- control closing mechanism can be used to override the diluter- control operation of
the system by mechanically closing off the air-metering port and fully opening the oxygen
metering port .✅
109.MTCS
Secondary flight controls used to augment the performance of the aircraft during T/O & L/G
As in a & supplement the control ability through various flight parameters . ✅
110.System incorporating combustion heaters , the temperature is usually controlled by
A) Heater fuel shutt off b) thermal cyclic switch ✅
111.MTCS
A) CONSTANTPRESSUREDIFFERENTIALISSELECTEDBYTHECREW
B) the rate of change of cabin pressure is also called cabin rate of climb or descent , is fixed.
C)mode of pressurization may alos refer to automatic versus manual versus standby . ✅
112. MTCS
Flight compartment light may also be incandescent type in addition to florescent type mounted in ceiling glare
shield (option not remember exactly)
113. Smoke detector
Photo diode ✅
114. Structure used for attaching engine mount is
)
APylon b)strut c)pylon or strut ✅
115. To locate the position of vertical stabilizer & landing gear
A)water line b b) utt line c) none
116. Airflow separation
A) Center of wing
B) From from T.E.
C) Upper surface of T.E.
c) AC & DC motor✅
117. Outflow valve operates on
A) Ac motor b) dc motor
118. Low frequency wave
190khz. To 535 khz. ✅
119. Some question of transformer
A) kva b)voltage c) kva & voltage
120. Engine nacelle
A) Enclose the engine in streamline housing to improve aerodynamics
B) Direct airflow into engine for cooling & combustion
C ) Both✅
121. IM
2 or more psu sharing in a cabinet ✅
A
122. Landing light
A) sealed beamtype
B) P arab o lic reflecto r
C ) 600- 1000 watt
D)All ✅
123. Rigid frame work
Truss ✅
124. A complete fire detection system consist of
a. Fire detection only
b. Fire extinguishing only
c. Both detection and extinguishing ✅
125. Fuel tank have vent
a. From top of expansion space ✅
b. Bottom of expansion spence
126. Vortex generator
High speed characteristic on wing and Low speed characteristic on stabiliser✅
127. LSAP – EEC ✅
