Ad08

what is the name of the axis around which aircraft yaws?

• vertical axis

• horizontal axis

• directional

which couple force tends to tip the nose of the aircraft downwards

• lift and weight

• drag and thrust

which force is produced by aircrafts engine that makes the aircraft move in the forward direction

• Thrust

• Drag

• lift

what is the definition of humidity ?

• condition of moisture of dampness in the air

• the air aridity, dryness.

For an aircraft to fly in a glide

• weight, lift and drag act on the aircraft

• weight, lift and thrust act on the aircraft

• thrust, lift and drag act on the aircraft

how is the airflow around a wing profile described ?

• the airflow is laminar on the leading edge of the profile and turbulent on the trailling edge of the profile

• the airflow is turbulent on the leading edge of the profile and laminar on the trailling edge of the profile

which law states that for a fixed mass of gas at constant volume the pressure is directly proportional to the absolute temprature ?

• pressure law

• volume law

affecting movement along the lateral axis, which basic aircraft control surface results in the aircraft pitching ?

• elevators

• rudder

• aileron

what is the temperature lapse rate for the aircraft flying below 36,000ft altitude ?

• 2°c per 1000 feet

• 4°c per 1000 feet

• 2°c per 10000 feet

which term is used to discribe the ratio between the wingspan and average

chord ?

• Aspect ratio

• angle of attack

• angle of incidence