100% free!
Sign up to unlock all our services and 1230 corrected and explained questions.


Question 75-1 : Load factor. for a fixed wing aircraft airplane or glider , load factor is ? [ Exercise takeoff ]

Lift / weight.

exemple 75 Lift / weight.

Question 75-2 : Load factor. for a fixed wing aircraft airplane or glider , when load factor increases ?

Stall speed increases, but the critical angle of attack remains unchanged.

exemple 79 Stall speed increases, but the critical angle of attack remains unchanged.

Question 75-3 : Forces acting on an aircraft. all other things being equal, when temperatures decreases ?

Lift and drag increase.

exemple 83 Lift and drag increase.

Question 75-4 : Forces acting on an aircraft. if velocity is increased on an airplane wing or a rotor blade, at constant angle of attack ?

Lift and drag increase.

exemple 87 Lift and drag increase.

Question 75-5 : Forces acting on an aircraft. lift acts ?

Perpendicular to relative wind.

exemple 91 Perpendicular to relative wind.

Question 75-6 : Forces acting on an aircraft. lift and drag vary ?

As the square of the speed.

exemple 95 As the square of the speed.

Question 75-7 : Forces acting on an aircraft. drag acts ?

Parallel to relative wind.

exemple 99 Parallel to relative wind.

Question 75-8 : Forces acting on an aircraft. for a fixed wing aircraft airplane or glider , in order to maintain a level, co ordinated turn, compared with straight and level flight, the lift must ?

Be greater than in straight flight.

exemple 103 Be greater than in straight flight.

Question 75-9 : Forces acting on an aircraft. for a fixed wing drone maintaining straight and level flight. 1 the lift balances weight. 2 the lift balances drag. 3 the thrust balances drag.4 the thrust balances weight ?

1 and 3.

exemple 107 1 and 3.

Question 75-10 : Forces acting on an aircraft. during a straight and steady flight ?

Lift is equal to weight.

exemple 111 Lift is equal to weight.

Question 75-11 : Forces acting on an aircraft. all other things being equal, when altitude increases ?

Lift and drag decrease.


Question 75-12 : Forces acting on an aircraft. all other things being equal, when temperatures increases ?

Lift and drag decrease.


Question 75-13 : Propellers & rotors. from the hub to the tip of a propeller blade, the angle of attack ?

Decreases.


Question 75-14 : Propellers & rotors. if one of my drone propeller is broken or shows significant signs of wear ?

I replace the propeller by one of same size and pitch.


Question 75-15 : Propellers and rotors. lift generated by a blade depends on.1 airmass density.2 relative wind speed.3 blade area.4 blade's angle of attack.5 airfoil shape ?

1, 2, 3, 4, 5.



~

Exclusive rights reserved. Reproduction prohibited under penalty of prosecution.

1109 Free Training Exam