Standard Book

Standard Book, Technical General

Aircraft Brakes: DGCA Technical General questions

Braking sits within wider landing gear topics here: retraction and locks, oleo struts, nose wheel steering, tyres, aquaplaning and anti-skid. Brakes turn the aeroplane's energy into heat, and many facts follow from that.

Expect short factual items and one standard calculation among the 24 questions. Exam sessions have tested 5 of these.

Minimum aquaplaning speed in knots is 9 times the square root of tyre pressure in psi. Tyre pressures are checked cold, since a tyre warmed by braking or a long taxi reads high. Brake fade comes from overheating. Creep is the tyre slipping round the wheel rim, shown by creep marks that no longer line up.

0 answered·5 free questions·0 right

Question 1 of 5

A hydraulic gear extension/retraction mechanism consists of sequence valves, uplocks and:

Question 2 of 5

The tyre pressures are checked after a long taxi to the ramp following landing. The pressures will have:

Question 3 of 5

Landing gear ground locking pins are:

Question 4 of 5

When inflating a tyre fitted to an aircraft, the tyre pressure reading on the gauge should be modified by:

Question 5 of 5

The movement of the gear on lowering is normally damped to:

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