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WorksheetsPiston Aircraft Aerodynamic,Structure And System Mod 11B
Total questions: 72
Worksheet time: 36mins
which of the following control surface is used to yaw control about normal axis in an aircraft?
rudder
aileron
elevator
which of the following statement is true when a control column is push forward?
the nose of the aircraft would drop
the nose of the aircraft would move up
the nose of the aircraft would remain on thhe current path
where does the rudder located on aircraft?
trailing edge of fin
trailing edge of mainplane
trailing edge of horizantal stabilizer
what couse flying fault during normal flight?
change in mass of the aircraft
change in weight and centre of gravity
change in velocity and centre of pressure
which of the following component is used to adjust cable tension?
fairleads
end fitting
tumbuckle
aircraft fuel system can be classified into two board categories,that is ………………………
pump-feed and motor-feed
gravity-feed and pressure-feed
kinatec-feed and potential-feed
which of thee following is a tank that is part off basic structure of the aircraft ???
integral tank
bladder tank
rigid removable tank
which of the following is the source of heat used by the fuel heater?
thermocouple
engine turbine bleed air
engine compressor bleed air
a fuel crossfeed valve is usually in …………………during flight
its last position
the opened position
the closed position
what type of metarial is used to maske aircraft fuel hoses?
teflon
stainless steel
synthetic rubber
how long is the maximum storage life for seals from the date of cure?
4 years
5 years
6years
what is the disadvantage of skydrol?
low viscosity
easy to burn
attack vinyi plastics
in hydraulic system the sealing component is required to…………
reduce heat for moving part
prevent leakage pass union
preven bubber in hydraulic system
where is the temperature over heat switch located in a hydraulic pump?
in the case drain
in the suction line
in the pressure line
which of the following is a type ice formation,occur on a surface which is at temperature below the frost point og the adjacent water in contact with the surface?
hoar frost
rime ice
glaze ice
how to minimize the effect rain had on visibility in flight?
apply rain repellent
use anti- icing system
anti raining system,which alert the pilot to divet to other area
all of the following are information marked on all commercial aircraft tyre, EXCEPT
size
material
skid depth
what is the function of landing gear
to support aircraft yawing during flight
to support an aircrafrt rolling during flight
to support an aircraft during ground manoeuvres
tubeless tyres are stored………………………
vertically
at 15 to 20 p.s.i
horizontally maximum of four high with smallest diameter tyre on top
what is the function of landing and taxi light of an aircraft??
provide spot light to heat the tarmac
provide illumination during landing and taxing at night
provide reflection toward the landing instrument on the runway
which of the following lights is used to illuminate the escape routes on an aircraft?
neon lamp
halogen light
fluorescent light
the breathing oxygen used in aircraft system should comply with………..
international standard ISO 2046
international standard ISO 3000
international standard ISO 4048
how many fix installation are there in the aircraft oxygen system?
2
4
3
anoxia is due to…..
lack of oxygen
low air pressure on the body
release of nitrogen bubbles in the blood
what drives the compressor in the pneumatic pressure generating system?
accessory gearbox
electrical motor
axillary power unit
which of the following controlled the bleed valve in the pneumatic pressure general system
pressure in the air bottle
compressor in the bottle
ram air from the engine
hiw does pneumatic system protect against dirt??
filter
sealent
diaphragm
the wheel brake control unit admits air to the brake units at a controlled pressure,proportional to…………..
lever movement
padel movement
joystick movement
which of the following is used to preciptate the moisture in the pneumatic system?
filter
anti freezer
oil and water trap
what type or water filter is used for aircraft portable water system?
sintered metal
wire wound filters
paper base element
where does the drain mast located on an aircraft?
under wing
under fuselage
upper fuselage
which of the following is not a type of toilet system used on the aircraft?
bucket system
pressure system
vacuum toilet system
what is the range of temperature need tobe sustained by the thermostatically controlled heating unit the main water tank?
temperature of 110 degrees to 120 degrees F
temperature 150 degrees to 160 degrees F
temperature of 190 degrees 200 degrees F
Which of the following is the function of rudder during maneuver of an aircraft?
Yaw
roll
pitch
How can a pilot operate an aileron on a aircraft?
by rotating the joystick twice
by moving the control coloumn laterally
by pulling the hand wheel mounted on the control coloumn
Which of the following is an example of drag induced device?
Aileron
Landing brake
Flight spoiler
The purpose of a slot in a wing is to_______________________
provide housing for the slat
speed up the airflow and increase lift
act venturi, accelerate the air and re-energise boundary layer
On an aircraft with an all moving tail plane, pitch up is caused by____________
Increase tail plane incidence
Decrease tail plane incidence
Up movement of the elevator trim tab
When the trailing edge flaps lowered, the aircraft will____________
Sink
Pitch nose up
Pitch nose down
Where usually wing station (WS) numbers are measured from?
The end of pylon
Tangent of the fuselage
The centre line of the fuselage
How many structural classifications are there in aircraft?
2
3
4
Shear stress is described as
_________________
Pulling forces
Compressing force
Slip away under the action of forces
Why an aircraft typically has circular cross section?
Suitable shape that easy to assemble
Suitable shape for quick corrective action
Suitable shape to contain differential pressure
Why sealing compound is used to all joint in pressurize structure?
Prevent joint to loose
Prevent leakage of pressure
Prevent the sealant from corrode
Which of the following components is used to slow the growth of any skin cracks which might develop in service?
Bulkhead
Tear stopping bands
L-shape stringers
Why windscreen must be heated?
To increase the formation of mist on the passenger windows
To improve the impact resistance of the windscreen at low temperature
To make sure temperature sensing elements can be used extensively in the snow surrounding.
What is Empennage?
Tail assembly consist of aileron, horizontal stabilizer, vertical stabilizer and rudder
Tail assembly consist of elevator, engine nacelle, vertical stabilizer and rudder
Tail assembly consist of elevator, horizontal stabilizer, vertical stabilizer and rudder
What is the unit used in the measurement of the ultimate tensile strength of the material in an aircraft?
Lbs/in square
J/km square
Pascal
Which of the following statements is true about truss?
Is the main longitudinal member of a fuselage or nacelle
Is the lateral fuselage or nacelle member giving cross-sectional shape which is often circular
. Is an assemblage of members forming a rigid framework, which may consist of bars,beams, rods, tubes and wires
What is the function of liquid receiver in the vapour cycle cooling system?
To control and monitor the liquid refrigerant into the evaporator
To provide a storage area for the liquid refrigerant into the evaporator
To provide the motive force for refrigerant re-ccirculation and work in conjuction with thermostatic expansion valve.
When does the proof pressure check of air conditioning is carried out?
During manufacturing
During night stop
During maintenance at MRO
How many primary flight instrument consist in the pitot static system?
3
4
5
What is the dynamic pressure?
Difference between total pressure and static pressure
Difference between static pressure and pitot pressure
Difference between boundary pressure and static pressure
What is the purpose of an aircraft altimeter?
Provide indication of the aircraft’s height above a sea level
Provide an accurate indication of the aircraft’s height below a sea level
Provide inaccurate indication of the aircraft’s height above certain predetermined level
A gyroscope is defined as____________________
A pivoted support that allows the rotation of an object about a single axis
A device for measuring orientation, based on the principles of angular momentum
A spinning mass mounted in such a way the spin axis is free to rotate about one or two axis at right angles to the spin axis
Function of communication system is_______________
To transfer information from one point another
To delivery signal from aircraft to satellite
To find the emergency location during crash and emergency
All the following statements are true about external electrical power, except
For the starting engines
For the purpose of anti-icing system on aircraft
For the testing of electrical systems during routine maintenances
Which of the following are the types of inverter used on aircraft electrical system?
Rotary and static inverter
Stator and rotary inverter
Static and dynamic inverter
What is the purpose of batteries in aircraft?
To start up APU for ground run
To start up yhe engine for take off
To store energy for emergency situations
Which of the following is NOT one of AC power generations subdivision?
Primary
secondary
emergency
What type of power supply used to operate certain flight control in the event of a total loss of primary power?
aircraft battery
Secondary power supply
Auxiliary power unit
FAR part 25 is valid for_____
Transport helicopter
. Small aircraft
C. commercial aircraft
When designing cabin equipment, attention must be paid to____________
Inflammable and self floating material used
Low inflammbility and toxicity of the materials used
High tension and flame resistance material used
How to prevent hand luggage from gliding forward under the seats?
A barrier under the seats installed
A hook under the seat installed
Passenger must hold the luggage
. How are the galleys installed in the aircraft cabin without damage during flight?
Belt is used to hold the galley
The galley is fitted in the seat rail profiles on the ground
The galley is weld together to the structure of the aircraft
Why the backrest of the passenger seats designed so that they fold forward during a crash landing?
Prvent from breaking his/her neck during the accident
Prevent the backrest to break off
Prevent rear passenger head to hit the back rest in front of him
What is the lavotary designed with rounded corner
To prevent injuries
To improve strength
To create an aerodynamic surfac
Which of the following is not a cargo compartment in the lower lobe of an aircraft?
Aft compartment
Bulk compartment
Central compartment
What type of equipment is used to hold the pallets in its final position on the aircraft?
Cargo net
Locking pawl
Lashing rope
The testing of the control circuit of the fire extinguishing system must be carried out at the check periods specified in the_______________
Approved Structure Repair manual
Approved Maintenance Schedule
Approved Electrical Wiring Manual
. Which of the following fire detector is called ‘Continous Loop
Tubular detector
Thermocouple detector
Thermal switch detector
. What type of the fire extinguisher can be found in the cockpit of an aircraft?
CO2 extinguisher
Halon extinguisher
Dry chemical extinguisher
