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Q400 SV > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

For which of the following structures is there no fire extinguishing system?

A

Fire extinguishing is provided for: APU, engines, baggage compartments, lavatory.

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2
Q

Each engine has how many fire detection loops?

A

Three per engine and 1 in the APU.

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3
Q

How does an engine fire loop detect a fire?

A

Helium expands, the pressure increase triggers a switch.

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4
Q

How many fire extinguishing bottles are installed in the wing root?

A

Two.

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5
Q

T or F: the fire extinguishing bottles for the engines can be discharged into either engine’s nacelle.

A

True.

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6
Q

Which of the following does NOT happen when an overheat condition occurs in an engine nacelle?

A

This does happen: master warning, related PULL/FUEL/HYD OFF t-handle illuminates, both engine fire press to reset lights illuminate, CHECK FIRE DET warning light illuminates, fire aural tone sounds.

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7
Q

What may be pressed to silence the fire aural tone sounds in the flight deck?

A

Either flashing ENGINE FIRE PRESS TO RESET light.

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8
Q

How long will the engine t-handle lights be illuminated during an engine fire?

A

Until the fire is extinguished.

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9
Q

Which of the following does NOT happen when pilots pull the FUEL/HYD OFF t-handle?

A

This does happen: closes emergency fuel shutoff valve, closes emergency hydraulic shutoff valve, arms forward and aft bottles.

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10
Q

Which of the following might have happened if the engine fire bottle ARM light does not illuminate?

A

The bottle has not been armed due to a loss of pressure or squib malfunction.

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11
Q

How do pilots discharge an engine fire bottle after it has been armed?

A

The spring loaded EXTG switch.

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12
Q

How many times a day are pilots required to check the engine fire detection system?

A

Once.

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13
Q

When pilots hold the test switch for the fire system to the #2 engine side, what indications illuminate?

A

2 PULL FUEL/HYD OFF t-handle, master warning, CHECK FIRE DET, both ENGINE FIRE PRESS TO RESET lights, FAULT A/B lights.

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14
Q

T or F: pressing the ENGINE FIRE PRESS TO RESET button silences the warning tone and the flashing warning lights.

A

True.

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15
Q

Which of the following statements best describes the APU’s fire detection and extinguishing systems?

A

They are fully automatic.

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16
Q

T or F: the fire bottle for the APU can be used to put out fires in the engine nacelles.

A

False.

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17
Q

Which of the following is NOT a component of the APU fire extinguishing system?

A

These are components: fire extinguisher bottle and distribution tubing, fire detection loop sensor, control circuit.

18
Q

When a fire or overheat condition is sensed by the detection loop in the APU, which of the following does NOT illuminate?

A

Answer will likely be something about baggage.

These do: FIRE light, MASTER WARNING, CHECK FIRE DET, BTL ARM, APU FUEL VALVE CLOSED, EXTG, MASTER CAUTION, APU CAUTION.

19
Q

After the APU shuts down, how long does it take for the fire extinguishing bottle to be discharged?

A

Seven seconds.

20
Q

What happens when an APU fire is detected?

A

APU automatically shuts down and the fire bottle discharges after 7 seconds.

21
Q

Which of the following is NOT true for confirming the fire bottle was discharged for the APU?

A

This is true: BTL LOW light will illuminate.

22
Q

T or F: if the APU fire extinguishing bottle does not automatically discharge, there is nothing else the pilots can do to discharge it.

A

False, there is an EXTG switch for the APU.

23
Q

T or F: if the pilots test the APU fire extinguishing system while the APU is running, it will shut down completely.

A

True.

24
Q

How many total smoke detectors are there in the forward baggage compartment?

A

One.

25
Q

How many smoke detectors are there in the aft baggage compartment?

A

Two.

26
Q

Which of the following does NOT happen when smoke is detected in the baggage compartments?

A

This does happen: SMOKE warning light, BAGGAGE AFT - SMOKE/EXTG light, FIRE BOTTLE AFT - ARM light, MASTER WARNING light, triple chime sounds, inlet/outlet vent valve closes.

27
Q

T or F: the vent inlet and outlet for the aft baggage compartment will illuminate when they are closed after detecting a fire in the baggage compartment.

A

True.

28
Q

How many total fire extinguishers are there for the aircraft’s baggage compartments?

A

Three (one forward, two aft).

29
Q

How many of each type of fire extinguisher are there for the aircraft’s baggage compartments?

A

Two high rate, one low rate.

30
Q

Which baggage compartment(s) can the low rate bottle be discharged to?

A

Either forward or aft.

31
Q

If the high rate fire extinguisher has been deployed for an AFT baggage compartment fire, how long after that will the low rate bottle deploy?

A

7 minutes.

32
Q

T or F: there is no way to test the forward and aft baggage compartment smoke detectors.

A

True.

33
Q

T or F: there is an indication for lavatory smoke in the flight deck.

A

False.

34
Q

T or F: the lavatory alarm can only be cancelled on the smoke detector unit itself.

A

True.

35
Q

What does the fire extinguishing agent specifically protect in the lavatory?

A

The waste bin.

36
Q

How many hand held fire extinguishers are located in the flight deck?

A

One.

37
Q

Which of the following is not an engine one monitored by a fire detection loop?

A

Tail pipe zone.

38
Q

How many fire extinguishing bottles are installed for engine fire extinguishing?

A

Two.

39
Q

Which of the following statements regarding the APU fire bottle is most accurate?

A

It automatically discharges 7 seconds after the fire detection.

40
Q

What does pushing the forward cargo area SMOKE/EXTG switchlight accomplish?

A

Discharges the high rate bottle and discharges the LW bottle.

41
Q

Which of the following is a cockpit indication of smoke in the lavatory?

A

There is none.

Q400 SV (24 decks)

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