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Q400 > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

Fire protection areas?

A

Lavatory
FWD baggage compartment
Engines
AFT baggage compartment
APU

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2
Q

What detects a fire?

A

Detector loops and smoke detectors

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3
Q

Pneumatic detectors are where?

A

APU
Engines
Wheel well

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4
Q

Smoke detectors are where?

A

Baggage compartments
Lavatory (not connected to control amplifier)

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5
Q

How many engine detector loops are there?

A

3 per engine (APD advance pneumatic detectors)

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6
Q

3 zones in the engine nacelle?

A

Primary engine zone (PEZ)
Leading edge zone (LEZ)
Main wheel well zone (MWW)

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7
Q

What is loop A in the engine nacelle?

A

PEZ & LEZ

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8
Q

What is loop b in the engine nacelle?

A

MWW

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9
Q

Will check fire DET lights remain illuminated when there is a fire after being pressed?

A

Yes

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10
Q

When a fire is successfully extinguished in the engine which lights will go out?

A

ENGINE FIRE PRESS TO RESET and PULL FUEL/HYD OFF handle

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11
Q

FAULT A or FAULT B light and CHECK FIRE DET is a result of?

A

The engine loops APD is punctured, loses pressure or loses electrical power

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12
Q

If a PEZ loop fails and the FAULT A light illuminates while the LEZ loop detects a fire what happens?

A

One of the two loops has an issue but one still detected the fire so the normal fire warning indications will happen as well as a FAULT A light being illuminated

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13
Q

If the LEZ loop fails and FAULT A light illuminates but the PEZ loops identifies a fire will there be any fire warnings?

A

NO only FAULT A light is illuminated

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14
Q

If a fire bottle is low for the engines what happens?

A

Master warning CHECK FIRE DET and BTL LOW

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15
Q

After a fire bottle is discharged what lights will be illuminated?

A

The BTL low light and the EXTG AFT BTL

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16
Q

If an armed bottle light does not illuminated after pulling the PULL FUEL HYD OFF handle what does this mean?

A

Bottle has lost pressure or malfunction with the squib ( the electro explosive device used to release the extinguishing agent)

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17
Q

Does the Forward baggage compartment have smoke detectors and fire protection?

A

1 smoke detector and two fire bottles

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18
Q

Smoke in the FWD baggage area what do you see in flight deck?

A

→ Smoke warning light
→ Red and white guarded light (FWD baggage); and
→ FWD ARM light on Fire Bottle panel.

19
Q

FIRE BOTTLE FORWARD ARM light illuminated means?

A

High rate fire extinguisher bottle for forward baggage compartment is ready for use

20
Q

Pressing the red and white guarded switch does what?

A

Discharges the high rate fire bottle into the baggage compartment. If airborne a second low rate bottle begins discharging

21
Q

Illumination if the FIRE BOTTLE AFT LOW and FIRE BOTTLE FWD LOW light happens when?

A

Fully depleted approx 45mins after the high rate bottle discharge

22
Q

AFT baggage smoke indicators?

A
  • The BAGGAGE AFT dual segment red and white guarded switchlight labelled
    SMOKE/EXTG.
  • The amber AFT fire bottle
    ARM segment on the FPP.
  • The two white lights on the
    BAGGAGE AFT Fire
    Protection Panel for the Vent Valve INLET and the Vent
    Valve OTLT.
23
Q

How long after the high rate fire bottle in the AFT baggage compartment before the low rate bottle starts?

A

7mins

24
Q

How many smoke detectors in each bag comp?

A

FWD 1
AFT 2

25
Q

How long are the baggage compartment certified to contain a fire in flight?

A

1 hr

26
Q

Lavatory has how many smoke detectors?

A

1

27
Q

Lavatory smoke detected show in the flight deck?

A

No

28
Q

Thermally activated discharge to extinguish fire is used where?

A

Lavatory waste bin

29
Q

Visual and aural warnings are provided to the flight crew for…

A

A fire or overheat condition in an engine nacelle

30
Q

Which of the following indicates that an engine fire has been extinguished…

A

PULL FUEL/HYD OFF handle light extinguishes

31
Q

Indications that a low-rate baggage fire bottle has lost pressure are..

A

Only available during a baggage fire system test

32
Q

Illumination of the FAULT B annunciator on the fire protection panel indicates a failure with the

A

Main wheel well zone (MWW) loop

33
Q

When the SMOKE / EXTG switchlight is pressed in response to a baggage fire while on the ground…

A

A high rate bottle discharges

34
Q

During a baggage fire depletion of the low rate bottle takes approximately

A

45minutes

35
Q

In response to an AFT baggage fire the FWD LOW segment on the FIRE BOTTLE light indicates

A

The low rate bottle has been depleted

36
Q

Fire detection in the aft baggage compartment is accomplished with…

A

Two smoke detectors

37
Q

During an engine fire test which of the following will not be observed?

A

Illumination of the FUEL and HYD closed lights

38
Q

How many fire bottles are installed to service the baggage compartments?

A

Three

39
Q

On the Fire Protection Panel (FPP) illumination of the the BTL LOW light indicates

A

A fire bottle has low pressure or is empty

40
Q

When the SMOKE/ EXTG switch light is pressed in response to a FWD baggage fire while airborne

A

Both a high and a low rate bottle discharge simultaneously

41
Q

When dealing with an engine fire normal procedure is to…

A

Discharge the FWD bottle first

42
Q

When an engine fire occurs during the cruise you should promptly…

A

Apply engine fire shutdown procedures by memory

43
Q

How many fire detection zones are the in the engine nacelle?

A

Three

Q400 (33 decks)

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