Questions on Flight Controls

Question 1

If the elevator trim wheel is moved fully back, what will happen to the control range?

a) no effect on range
b) increase elevator range
c) decrease elevator range

Answer 1

(a) is marked correct

Question 2

The advantages of fly-by-wire control are:

5) Improvement of piloting quality throughout the flight envelope.

1) Reduction of the electric and hydraulic power required to operate the control surfaces
2) Lesser sensitivity to lightning strike
3) Direct and indirect weight saving through simplification of systems

4) Immunity to different interfering signals
5) Improvement of piloting quality throughout the flight envelope.

Answer 2

3 and 5 Marked Correct

Question 3

What is the purpose of trim tabs?

a) To reduce stick forces in manoeuvres
b) To reduce stick holding forces to zero

Answer 3

b) To reduce stick holding forces to zero

Question 4

Which is the correct statement regarding a large aircraft fitted with both inboard and outboard ailerons?

a) The outboard ailerons are used only when the landing gear is selected down
b) The inboard ailerons are used only when the flaps are retracted

Answer 4

b) The inboard ailerons are used only when the flaps are retracted

Question 5

In a closed loop system a device in which a small input operates a large output in a strictly proportionate manner is called:

a) An amplifier
b) A servo-mechanism
c) An autopilot
d) Feedback (control loop)

Answer 5

b) A servo-mechanism