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Airframes > Exam Review: Fire Protection Systems > Flashcards

Exam Review: Fire Protection Systems Flashcards

1
Q

What 3 things are needed for a fire?

A

Fuel
Oxygen
Heat

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2
Q

What are class A fires?

A

Paper

Garbage

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3
Q

Fires that deal with oil, grease are classified as what?

A

Class B

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4
Q

What are class C fires?

A

Electrical

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5
Q

Fires that deal with metal are classified as what?

A

Class D

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6
Q

A green triangle is a symbol for what type of fire?

A

Class A

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7
Q

What is the symbol for a class C fire?

A

BLue circle

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8
Q

A red square is a symbol for what class?

A

Class B

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9
Q

What is thee symbol for a class D fire?

A

Yellow star

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10
Q

What is the best way to deal with class A fires?

A

Water

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11
Q

CO2, Halon, or dry powder works well on?

A

Oil and Grease fires

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12
Q

What is the best way to deal with class D fires?

A

Dry powder

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13
Q

Each aircraft must have at least how many fire extinguishers and must be inspected how many times?

A

At least one

Inspected once a year

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14
Q

What are the types of fire detection systems?

A

Thermo-switch
Thermocouple
Tubular

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15
Q

This type of spot detector uses a BI-METALLIC strip that extends to complete the circuit which activates a light in the flight deck

A

Thermo Switch

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16
Q

If more than one thermal switch is used, how are they connected and why?

A

In parallel so closing one switch provides warning

17
Q

Describe a Thermocouple sensor

A

Rate of Rise

Two dissimilar metals

18
Q

How does the THERMOCOUPLE sensor work?

A

Current produced if temp rise rapidly, sensitive relay, slave relay

19
Q

What are the types of Tubular Continuous loop sensors?

A

Fenwall
Kidde
Pneumatic

20
Q

Describe the Fenwall system

A

Inconel tube
Eutectic Salt
Nickel conductor

21
Q

This sensor contains an inconel tube, and thermistor material and two electrical conductors and can have a DUAL loop system

A

Kidde system

22
Q

How does the Kidde system work?

A

Change in resistance

23
Q

Describe the Pneumatic system

A

Stainless steel tube filled with HELIUM

Center wire made of TITANIUM

24
Q

What are the 2 sensing functions of the pneumatic system?

A

Averaging

Discrete

25
Q

If were dealing with the Helium exerting pressure which function is it?

A

Averagin

26
Q

Discrete function deals with what?

A

Titanium case and hydrogen exerting pressure

27
Q

Where would we put SMOKE detectors?

A

Lav

Cargo/Baggage

28
Q

Cabin and cockpit are the places we put what type of detectors?

A

Carbon Monoxide detectors

Airframes (19 decks)

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