021.12 +.13 PROTECTION AND DETECTION SYSTEMS & OXYGEN SYSTEMS

Question 1

The bimetal strip detectors of an engine fire detection system are arranged in (series/parallel) and (open/close)​ during a fire.

Answer 1

The bimetal strip detectors of an engine fire detection system are arranged in (parallel) and (close) during a fire.

Question 2

When a part of a continuous loop fire detection system is heated, its resistance (increases/decreases) and the leakage current (increases/decreases)​.

Answer 2

When a part of a continuous loop fire detection system is heated, its resistance (decreases) and the leakage current (increases).

Question 3

Firewire detects a fire by detecting the (smoke/heat/flame)​ caused by the fire.

Answer 3

Firewire detects a fire by detecting the (heat) caused by the fire.

Question 4

Considering CS-25, at least (…) fire extinghuisher discharger bottles are required per engine.

Answer 4

Considering CS-25, at least (2) fire extinghuisher discharger bottles are required per engine.

Question 5

The name given tot the mode of operation in which 100% oxygen is inhaled on demand is (…)​.

Answer 5

The name given tot the mode of operation in which 100% oxygen is inhaled on demand is (100%).

Question 6

In case of smoke in the cockpit, the crew oxygen regulator must be set to (normal/100%/emergency)​.

Answer 6

In case of smoke in the cockpit, the crew oxygen regulator must be set to (100%).

Question 7

The opening of the doors giving access to the oxygen masks for the passengers is (pneumatic/electrical) for the gaseous oxygen system and (pneumatic/electrical) for the chemical oxygen system.

Answer 7

The opening of the doors giving access to the oxygen masks for the passengers is (pneumatic) for the gaseous oxygen system and (electrical) ​for the chemical oxygen system.

Question 8

• Maximum cabin altitude is (…) ft.
• Warning when cabin alt. exceeds (…) ft.
• Masks release when cabin alt. exceeds (…) ft.

Answer 8

• Maximum cabin altitude is (8 000) ft.
• Warning when cabin alt. exceeds (10 000) ft.
• Masks release when cabin alt. exceeds (15 000) ft.

Question 9

You can determine the amount of oxygen in a portable bottle by observing its (…)​.

Answer 9

You can determine the amount of oxygen in a portable bottle by observing its (pressure).

Question 10

Emergency selector on an oxygen system is (demand-regulated/continuous flow) 100% oxyigen supply under (positive/ambient) pressure.

Answer 10

Emergency selector on an oxygen system is (continuous flow) 100% oxyigen supply under (positive)​ pressure.

Question 11

Smoke hoods are available to aircraft crew and must last for at least (…)​ minutes.

Answer 11

Smoke hoods are available to aircraft crew and must last for at least (15) minutes.

Question 12

The chemical oxygen generator supplies oxygen for about (…)​ minutes.

Answer 12

The chemical oxygen generator supplies oxygen for about (15) minutes.