Engineering Science Mid Term

Front

Positive stability in an aircraft is its tendency to return to its original _________ when displaced.

Back

attitude

Front

What happens to the rotor system in a helicopter when the pilot raises or lowers the collective control?

Back

The pitch angle of the rotor blades increase or decrease as a whole unit.

Front

True or False. Pitch stability refers to the movement of an aircraft’s nose up and down around its lateral axis.

Back

True

Front

The _________ yaws the airplane left or right.

Back

rudder

Front

Trim systems are designed to ____________.

Back

relieve the pilot of the need to maintain constant pressure on the flight controls.

Front

When a leading edge device is lowered, it increases the wing’s __________.

Back

camber.

Front

Which of the following is not a primary flight control surface? Ailerons, Elevator, Rudder

Back

Flaps

Front

Variable speed rotors controlled by onboard _______ provide stability and maneuverability for a multi-rotor UAS.

Back

computers

Front

How do quadcopters counteract the torque forces created by each of the four rotors?

Back

Rotors that sit on opposite sides from one another spin in opposing directions

Front

True or False. An aircraft become progressively more difficult to control as the center of gravity moves aft.

Back

True