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737 > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

How is the engine overheat & fire detection system normally operated

A

?

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2
Q

How is an ENG OVERHEAT condition indicated

A

MASTER CAUTION, OVHT/DET annunciator & associated ENG OVERHEAT lights illuminate

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3
Q

What does an illuminated fire control panel FAULT light indicate when no fire test is being performed

A

Both loops on one engine have failed in the dual loop position (NORMAL) or selected single loop on an engine has failed

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4
Q

The FAULT light illuminates on the engine fire control panel with no fire test being performed. Are there any other lights or indications

A

No. No additional indications are triggered with a FAULT light on

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5
Q

What are the power sources for engine fire detection & extinguishing

A

Detection- Battery bus; extinguishing- Hot Battery bus

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6
Q

Which statement regarding the engine fire extinguisher bottles is correct

A

Two bottles available for either engine

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7
Q

How is the squib on an engine fire extinguisher bottle armed

A

Pulling the fire switch arms the squibs

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8
Q

How are the engine fire warning switches ( red handles) released

A

Released by overheat, fire or manually

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9
Q

How is an engine fire extinguisher bottle discharged

A

Pull illuminated fire warning switch up, rotate either to the left or right

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10
Q

What does an illuminated BOTTLE DISCHARGED light indicate

A

Extinguisher bottle has discharged

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11
Q

What is the function of the OVHT/FIRE position of the FIRE TEST switch(Normal AC power on the generator buses)

A

Tests all aircraft fire and overheat loops

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12
Q

During an extinguisher system test (squib test) what does an engine fire extinguisher illuminated green EXT TEST light indicate

A

Discharge circuit test is normal for respective extinguisher circuit

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13
Q

Which statement describes the APU fire detection system

A

Single loop system for fire or fault detection

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14
Q

What does an illuminated APU DET INOP light indicate when no fire warning test is being performed

A

Failure in the APU fire detector loop

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15
Q

What occurs when an APU fire condition is detected(cockpit only)

A

APU fire warning & master FIRE warning lights illuminate and fire bell sounds in cockpit and APU shuts down

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16
Q

What are the initial indications of a fire at the APU Ground Control Panel (On The Ground)

A

Flashing Fire Warning light and intermittent horn

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17
Q

In the event of an APU fire warning, what occurs when a cockpit FIRE warning bell cut-out switch or the APU Ground Control Panel (GCP) HORN CUTOUT button is pressed

A

Cockpit fire bell and GCP horn are silenced, GCZp light illuminates steady

18
Q

How is the APU extinguisher bottle discharged from APU Ground Control Panel

A

Pull fire control handle, then activate discharge switch

19
Q

Which describes the WHEEL WELL fire warning system

A

No. 1 AC Transfer bus powers a single loop detector

20
Q

How is a WHEEL WELL fire indicated

A

WHEEL WELL fire & master FiRE warning lights illuminate with steady fire bell

21
Q

A smoke detection and fire suppression system is installed in the cargo compartment of the 500 aircraft

A

True

22
Q

How is discharge of a lavatory fire extinguisher determined

A

Bottle nozzle tips change to an aluminum color

23
Q

When the fire control panel test switch is placed to the FAULT/ INOP position, which lights should illuminate

A

Two MASTER CAUTION lights, the OVHt/DET annunciator, the FAULT light, and the APU DET/INOP light

24
Q

During the FAULT/INOP test, the FAULT light does not come on but the APU DET INOP light does

A

?
The engine fault detection system has failed
?(apu)

25
Q

The engine fire panel FAULT light illuminates during an overheat/fire test. This indicates

A

At least one engine has a faulty loop

26
Q

On arrival at the aircraft you find the FAULT light illuminated prior to any system test. The loop selector switches are in the NORMAL position. Both fire warning loops on one engine have failed

A

True

27
Q

Inflight with dual loop configuration selected, you observe the FAULT light illuminated on the fire warning panel. What has happened

A

Both loops on one engine have failed

28
Q

Engine fire detection is powered from the

A

Battery bus

29
Q

Engine and APU fire extinguishing is powered from the

A

Hot Battery bus

30
Q

If a fire is detected in the APU, the APU shuts down, the fire bottle discharges, and the fire bell silences after the fire bottle is discharged automatically

A

False

31
Q

The WHEEL WELL fire detection system is DC powered

A

False

32
Q

In flight, what happens if a single engine fire detector loop fails during dual loop operation

A

The loop is automatically deselected and fire warning capability is not lost on that engine

33
Q

The OVHT/DET annunciator and the MASTER CAUTION lights are illuminated( triggered by)

A

The APU DET INOP light or an engine OVERHEAT light

34
Q

The Fire Control panel FAULT light illuminates

A

During the FAULT/INOP test

35
Q

During the EXTINGUISHER TEST, what do the illuminated green lights on the Overheat/Fire protection panel indicate

A

The fire extinguisher discharge circuits are functional

36
Q

When the lavatory smoke detectors are activated, the FIRE WARN, MASTER CAUTION, and fire annunciator lights illuminate, and the fire bell sounds on the flight deck

A

False

37
Q

The cargo compartment smoke detector and fire suppression system must be verified to be serviced and operational before cargo can be carried in the cargo compartments

A

True

38
Q

After activation of the cargo fire suppression system the aircraft must land at the nearest suitable airport within____minutes of the activation(500)

A

60 minutes

39
Q

What are the possible flight deck indications for a wheel well fire

A

?

40
Q

There is no fire extinguisher system for the wheel well area

A

True

41
Q

There is no FAULT warning for a failure of the wheel well fire detector

A

True

42
Q

The power to the fire extinguisher bottle squibs is provided by the

A

Hot Battery Bus

737 (17 decks)

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