11.08 Fire Protection

Question 1

What are the systems that make up the fire protection system?

Answer 1

• Detection

- Extinguishing

Question 2

There are two continuous loop detection system types, what are they?

Answer 2

• Pneumatic pressure

- Semi conductor

Question 3

What happens to the semiconductor material as heat rises?

Answer 3

• Resistance decreases

Question 4

The smoke detector that uses a radiation source is what type?

Answer 4

Ionisation type

Question 5

How is a fire warning indicated?

Answer 5

• Aural red attention getters

- Message on CAS

Question 6

When is fire detection indicated on a dual loop system?

Answer 6

When both sensors detect at the same time

Question 7

The detection system system does not operate when?

Answer 7

Dual sensor or channel failure

Question 8

What additional features does the APU detection have?

Answer 8

Flashing red light and horn in the wheel well

Question 9

Which areas are covered by the detection system?

Answer 9

• Engines
• APU
• Wheel wells
• Cargo areas

Question 10

What type of sensor is a spot sensor?

Answer 10

Bi-metallic switch

Question 11

Discharge heads are related to cargo compartments in what way?

Answer 11

Heads = bays

Question 12

A class D compartment consists of?

Answer 12

Area under detection without ventilation

Question 13

what must be checked on portable extinguishers?

Answer 13

• Visual
• Date
• Check of usage

Question 14

What is the maximum bend allowance of a semiconductor loop system?

Answer 14

3.2mm

Question 15

What portable extinguisher will be used on class B & E cargo compartment?

Answer 15

Halon or water with nozzle

Question 16

How does the discharge of an engine extinguisher occur?

Answer 16

Squib caused explosive to break frangible disc