Aircraft Performance MCQ

Test your knowledge with important Aircraft Performance MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Aircraft Performance MCQs at Bissoy

• The ground run distance is effected by the inverse of the density and directly proportional to square of the true airspeed.
  ক

  True

  খ

  False
• Which of the following will not effect the ground run distance?
  ক

  TAS

  খ

  EAS

  গ

  Weight

  ঘ

  Thrust
• There is no effect of runway conditions on the airborne distance.
  ক

  True

  খ

  False
• The headwind only effects in the kinematic energy in the case of the airborne distance.
  ক

  True

  খ

  False
• What is the use of the headwind?
  ক

  To change the datum height

  খ

  To change the datum temperature

  গ

  To change the fuel ratio

  ঘ

  To change the pressure ratio
• There are two atmospheric effects on the take-off distances.
  ক

  True

  খ

  False
• What is the energy change in the aircraft when the thrust is 244N and the distance travelled is 1230km?
  ক

  198000 N-Km

  খ

  484000 N-Km

  গ

  300120 N-Km

  ঘ

  234553 N-Km
• The energy change is given by __________
  ক

  ΔE=\(\frac{T^2}{S^2}\)

  খ

  ΔE=\(\frac{T^2}{S}\)

  গ

  ΔE=\(\frac{T}{S}\)

  ঘ

  ΔE=T x S
• The difference between the lift-off speed and take-off safety speed must be small.
  ক

  True

  খ

  False
• Which of the following are the correct equations for take-off run?
  ক

  FN+D-WsinγR-μrR=mV̇

  খ

  R-L=WcosγR

  গ

  R-L=WsinγR

  ঘ

  FN-D-WsinγR-μrR=mV̇
• What are the additional forces acting on the aircraft?
  ক

  Runway friction

  খ

  Lift

  গ

  Thrust

  ঘ

  Power
• During the flight of the aircraft with minimum unstick speed the tail of aircraft is in contact with the runway.
  ক

  True

  খ

  False
• What is meant by minimum unstick speed?
  ক

  The maximum speed at which the aircraft becomes airborne

  খ

  The minimum speed at which the aircraft does not becomes airborne

  গ

  The maximum speed at which the aircraft does not becomes airborne

  ঘ

  The minimum speed at which the aircraft becomes airborne
• The total take-off distance is the sum of both airborne distance and ground run distance.
  ক

  True

  খ

  False
• What is meant by airborne distance?
  ক

  The distance between take-off point and the point at which the screen height is cleared

  খ

  The distance between lift-off point and the point at which the screen height is not cleared

  গ

  The distance between lift-off point and the point at which the screen height is cleared

  ঘ

  The distance between take-off point and the point at which the screen height is not cleared
• Transition is known as the phase where both the safe climb gradient and directional control in the climb can be attained during the failure of an engine.
  ক

  True

  খ

  False
• What is meant by decision speed?
  ক

  The speed at the point where there is unequal distances on the take-off run

  খ

  The slope at the point where there is unequal distances on the take-off run

  গ

  The slope at the point where there is equal distances on the take-off run

  ঘ

  The speed at the point where there is equal distances on the take-off run
• What is meant by take-off safety speed?
  ক

  Airspeed at which only the safe climb gradient is attained

  খ

  Airspeed at which only the directional control is attained

  গ

  Airspeed at which only the directional control is kept constant

  ঘ

  Airspeed at which both the safe climb gradient and directional control is attained
• What is the use of minimum control speed airborne?
  ক

  Maintain directional control

  খ

  Maintain fuel ratio

  গ

  Maintain constant thrust

  ঘ

  Maintain constant power
• There are two parts of take-off distance.
  ক

  True

  খ

  False
• What is meant by ground run distance?
  ক

  The distance where the aircraft takes-off on the ground

  খ

  The vertical distance where the aircraft takes-off on the ground

  গ

  It is also known as the screen height

  ঘ

  It is the landing distance of the aircraft
• The rotation speed must allow the aircraft to rotate into lift-off attitude.
  ক

  True

  খ

  False
• What is the screen height during the take-off of an aircraft?
  ক

  40 ft

  খ

  14 ft

  গ

  30 ft

  ঘ

  35 ft
• Just before reaching the lift-off speed the aircraft is rotated into a nose-up altitude which is equal to the lift-off angle of attack.
  ক

  True

  খ

  False
• What is lift-off speed?
  ক

  The speed at which the aircraft generates enough power to become airborne

  খ

  The speed at which the aircraft generates enough speed to become airborne

  গ

  The speed at which the aircraft generates enough thrust to become airborne

  ঘ

  The speed at which the aircraft generates enough lift to become airborne
• What is meant by minimum control speed ground?
  ক

  The airspeed below which the rudder the will not be capable of producing a yawing moment

  খ

  The airspeed below which the rudder the will not be capable of producing a pitching moment

  গ

  The airspeed below which the rudder the will not be capable of producing a rolling moment

  ঘ

  The airspeed below which the rudder the will not be capable of producing a dutch moment
• How is the power-induced lift generated?
  ক

  installing the propeller in front of the wing

  খ

  installing the propeller in front of the wing and deflecting the slip stream with large flaps

  গ

  deflecting the slip stream with large flaps

  ঘ

  deflecting the slip stream with large rudder
• Which of the following are not heavy lift devices?
  ক

  full span flaps

  খ

  drooped ailerons

  গ

  passive boundary layer control systems

  ঘ

  elevator
• High lift devices can be used to increase the maximum lift coefficient of an aircraft and reduce the lift off speed.
  ক

  True

  খ

  False
• VTOL is the extreme case of STOL.
  ক

  True

  খ

  False