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Mod 13 > Fire Protection Q’s > Flashcards

Fire Protection Q’s Flashcards

1
Q

A hand held fire extinguishers weight is stamped on the

A

Head

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2
Q

An indication pin protruding from a portable fire extinguisher what does it indicate

A

Bottle is empty

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3
Q

A cabin hand held fire extinguisher by regulation must be operated by

A

A single handed operation

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4
Q

C02 fire extinguishers are used on

A

All fires in fuselage

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5
Q

Extinguishants suitable for use in cabins are

A

Water and BCF

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6
Q

Hand held fire extinguishers are weighed

A

In accordance with the approved maintenance schedule

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7
Q

How can a fire extinguisher be incentivised as being used

A

Weighed

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8
Q

How many fire extinguishers are required on an aircraft having 401-500 pax

A

6

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9
Q

How many fire extinguishers are required on an aircraft having 501 pax

A

7

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10
Q

How often do handheld extinguishers have to be weighed

A

Annually

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11
Q

Portable fire extinguishers are operated by

A

Breaking the tell tale / tamper proof seal then operated by the handle

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12
Q

The weight of an extinguisher is stamped on

A

The head fitting

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13
Q

What are the minimum number of fire bottles on a cabin with 201-300 pax

A

4 fire extinguishers

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14
Q

What fire extinguisher is used in the cockpit

A

C02

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15
Q

A mixed fire extinguishing system is where

A

More than one extinguishant is used

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16
Q

The resistive type fire wire is fitted in rubber grommets to

A

Prevent damage by vibration

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17
Q

A capacitance fire wire

A

Will work but not test if broken circuit

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18
Q

The single cell photo electric smoke detector

A

Relies on the production of a DC supply from a photoelectric cell

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19
Q

A cargo compartment which will contain a fire itself and ventilate

A

Must be modified to a class C or E compartment

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20
Q

A cargo compartment which will contain a fire itself and ventilate is a

A

Class D

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21
Q

The electrical supply for a two shot fire extinguishing system is

A

DC from the essential bus

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22
Q

A cockpit check on the engine fire wire system is a

A

Function check

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23
Q

A fixed system fire bottle is weighed

A

Without blanks and with detonators

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24
Q

If a fire bottle over pressurised

A

All extinguishant is lost

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25
Q

A fire detection loop must be capable of

A

Using master warning visual and aural signals

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26
Q

A thermocouple fire detector

A

Produces a DC supply when fire is detected

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27
Q

A fire detection system can pass through one zone to another providing

A

The system is protected

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28
Q

A fire detection system should be

A

Positioned in a location determined by the manufacturer during the design

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29
Q

In overheat conditions the resistance of the resistive type fire wire

A

Decreases

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30
Q

Fire wires

A

May have one or both ends connected to the control box depending on type

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31
Q

A fire detection zone wiring can pass through another fire zone when

A

The system and the extinguishing are the same

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32
Q

The apu fire shut off valve is normally

A

Normally electrically operated as the apu is electrically shut down by its own monitoring system

33
Q

A fire test is carried out and the test button is released but the light remains on this is because

A

There is a fire

34
Q

A fire that can be put out by a crew member in a cargo bay is in a

A

Class b compartment

35
Q

A short circuit on a capacitive type fire detection element will result in

A

System does not work and no readings

36
Q

A Systron dinner fire detection system used

A

Helium gas

37
Q

A toilet is fitted with thermal protection

A

To protect against the dangers of smoke and fire in the event of of an overheat

38
Q

Chemical fire extinguishers extinguish fires by

A

Reacting with the oxygen in the air or the flame rendering it inert

39
Q

Continuous type fire wire detector system operates on the principle of an increase in temperature causing

A

A decrease in resistance

40
Q

Engine fire bottle pressure at 70f is

A

600psi +- 25

41
Q

Engine fire bottle pressure switches are operated by

A

DC

42
Q

Engine wing fire bottles should be charged with nitrogen at 15c to

A

600psi

43
Q

Fire extinguishment must kept within temperature limits

A

To minimise possibility or discharge at high temperatures

44
Q

Fire resistance requirements for helicopter fabrics are in

A

CS29

45
Q

A fire test on aircraft internal furnishings must be carried out

A

Only when equipment items fail random tests

46
Q

Fireproofing of cabin material should be done

A

When a sample fails

47
Q

First digit number of halogenated hydrocarbon extinguishers represents the number of

A

Carbon atoms

48
Q

For multi engined rotorcraft the quantity of fire extinguishing agent available must

A

Provide at least two discharges for each fire zone

49
Q

In a capacitive fire detection system if

A

There is a break the system will work but not test satisfactory

50
Q

In a gas FireWire system what causes the FireWire caption to come on when heat is applied

A

Pressure

51
Q

In a single continuous loop fire detector test

A

Current is passed down the centre conductor

52
Q

In a toilet smoke condition what would be the indication

A

Either a light or an audible warning in the cabin

53
Q

In the event of a crash landing

A

Most fire bottles are set off automatically

54
Q

In the event of a fire being caused by the oxygen supply

A

Oxygen supply must be stopped

55
Q

In which of the following would expect to find a smoke detector

A

Battery bay

56
Q

Information on cabin furnishings fire protection requirements can be found in

A

CAP 747

57
Q

Insulation resistance check of a continuous type fire wire detector element should be carried out

A

To include the element it’s sensing amplifier and associated relays

58
Q

Lavatories must have in the disposal container

A

Freon extinguisher with black ball markings indicating when discharged

59
Q

On pulling the fire handle the aural warning

A

Goes off the light remains on the generator goes offline

60
Q

Smoke detectors consist of a

A

Photoelectric cell detecting 10% smoke

61
Q

The fire detection system of an aircraft must contain

A

Approved quick acting fire or overheat detectors in each designated fire zone

62
Q

The outside casing of a fire wire has

A

Same potential as ground

63
Q

Toilet fire detection issues can be found in

A

AWN 83

(Now transferred to cap 747 GR no 20)

64
Q

Toilet smoke detector activate

A

A warning light and or indication in the cabin

65
Q

What do you check when carrying out an insulation check on a continuous FireWire loop

A

The FireWire

66
Q

What external warning is there for an apu fire

A

Both aural and red light

67
Q

What is the contamination monitor for in a Systron dinner fire detection system

A

Dirty contacts

68
Q

What is used to measure squib resistance of a fire bottle

A

Safety ohmmeter

69
Q

What test is carried out to ensure serviceability of a squib

A

A continuity check

70
Q

What type of gas is used as a propellant for a high rate of discharge extinguishing system

A

Nitrogen

71
Q

When a fire test on a Systron donner fire detector system is carried out

A

It checks the integrity of the contacts

72
Q

When testing a squib for insulation

A

Short all pins together then test between them and the case

73
Q

When the external apu fire switch is selected what happens

A

Fuel shut off
Electrical power cut off
Bleed air cut off
Fire bottle operated

74
Q

When the fire handle is operated it

A

Cuts of field current, hydraulics and fuel and operates fire extinguishers

75
Q

When the fire handle is pulled a

A

Red warning light stays on generator hydraulics and fuel is cut off

76
Q

Which areas of a civil transport aircraft would have smoke detectors fitted

A

Freight holds baggage compartments and equipment bags

77
Q

With the gas operated type of fire wire a local very high temperature will cause

A

An avalanche gas to be given off

78
Q

You would expect to find a squib connected to

A

A fire surpression system

Mod 13 (22 decks)

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