17. The flight controls (trim controls)

Question 1

The positioning of the trim…….. located on the trailing edge of a control surface is controlled from the cockpit by using the trim …….. or trim ……..

Answer 1

Tab; wheel; handle

Question 2

The correct method of using the elevator trim in an aircraft is to:

a) change the attitude with elevator and/or tye power with the throttle, allow the aircraft to settle down, and then use the trim to remove steady control pressure.
b) change the attitude with the trim.
c) change attitude, power and trim simultaneously

Answer 2

A

Question 3

The designer may use an inset …….., a ……. balance or a balance …….. to reduce the force required to move a control surface

Answer 3

Hinge; horn; tab

Question 4

If a balance tab is fitted, it moves automatically when the control is moved and in the (same / opposite) direction as the trailing edge of the control surface

Answer 4

Opposite

Question 5

An anti-balance tab is often fitted to all-moving (or slab) tail planes. It moves in the (same / opposite) direction as the trailing edge of the tailplane

Answer 5

Same