To prevent the glass from fogging up.

To keep the cabin temperature at a comfortable level.

To heat the vinyl and increase its impact resistance.

To heat the glass and increase its impact resistance.

wing dihedral.

wing tip vortices.

propwash.

aileron deflection.

1. correct, 2. Incorrect.

. incorrect, 2. Incorrect.

1. correct, 2. Correct.

1. incorrect, 2. Correct.

(1) equal to; (2) speed limitations.

(1) higher than; (2) the CG position.

(1) higher than; (2) speed limitations.

(1) equal to; (2) the CG position.

1,3

2,3

2,4

1,4

Do nothing. The corrosion is a natural part of the aircraft aging process.

Wash the aeroplanes thoroughly after each flight.

Paint over the corrosion to protect the area and add strength.

Replace the metal parts affected by corrosion with plastic or composite materials where possible.

a continuous flow mask and must be used if there is smoke in the cabin.   

a continuous flow mask and in principle should not be used if there is smoke in the cabin.   

an on demand type mask and must be used if there is smoke in the cabin.   

an on demand type mask and in principle should not be used if there is smoke in the cabin.   

1 is incorrect, 2 is correct.

1 is incorrect, 2 is incorrect.

1 is correct, 2 is correct

1 is correct, 2 is incorrect.

the air enters the compressor via the input turbine.

there is no mechanical connection between the compressor and the power output shaft.

its shaft may be connected to either a compressor or another turbine.

the compressor and power output shaft are mechanically connected. 

a mechanical link withdrawing a safety pin and allowing a spring operated plunger to rupture the bottle seal.

manual remote control opening a discharge valve.

an electrically heated capsule rupturing a seal in the pipeline at the engine.

an electrically fired cartridge rupturing a seal in the head of the bottle.