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Craig > Fire Protection > Flashcards

Fire Protection Flashcards

1
Q

For which of the following structures is there no fire extinguishing system?
(Answer which HAVE a fire extinguishing system)

A

Engines
APU
Baggage compartments
Lavatory

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2
Q

Each engine has how many fire detection loops?

A

3 in each nacelle:
Primary Engine Zone
Leading Edge Zone
Main Wheel Well Zone

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3
Q

How does an engine fire loop detect a fire?

A

The loop is filled with helium gas. If there is a fire, the fire heats the helium which expands and increases the pressure in the loop. The increased pressure triggers a switch to indicate a fire warning.

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4
Q

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

A

2 bottles for engine extinguishing

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5
Q

T/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?
(Answer what DOES happen)

A

Master Warning light (flashing red) on glareshield illuminates
Related engine PULL FUEL/HYD OFF T-handle illuminates red
CHECK FIRE DET warning light (flashing red) on warning light panel
Both ENGINE FIRE PRESS TO RESET lights (flashing red) illuminate on the left and right sides of glareshield
Aural “Warning tone” sounds

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7
Q

What may be pressed to silence the engine fire aural tone sounds in the flightdeck?

A

Either 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 (no longer detected)

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9
Q

Which of the following does NOT happen when pilots pull the FUEL/HYD OFF T-Handle?
(Answer what DOES happen with the T-handle is pulled)

A

Emergency Fuel Shutoff Valve closes
Emergency Hydraulic Shutoff Valve closes
FWD and AFT fire bottles arm (amber lights illuminate on fire panel)

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10
Q

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

A

Maybe loss of pressure (BTL Low light illuminates)

Squib malfunction

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11
Q

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

A

Using the spring loaded EXTG switch to FWD BTL or AFT BTL

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12
Q

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

A 
Master Warning Light
#2 PULL FUEL/HYD OFF T-handle light
CHECK FIRE DET warning light
Both ENGINE FIRE PRESS TO RESET lights
FAULT A and FAULT B lights
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13
Q

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

A

Prior to the first flight of the day

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14
Q

T/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

Fully automatic when R Essential Bus is energized

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16
Q

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

A

FALSE, the APU fire bottle can only be used for the APU

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17
Q

Which of the following is not a component of the APU fire extinguishing system?
(Answer which IS a component of the APU fire system)

A

Fire extinguishing bottle and tubing
Fire detection loop in tailcone above APU
Control circuit

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18
Q

When a fire or overheat condition is sensed by the detection loop in the APU, which of the following does not illuminate?
(Answer what DOES illuminate)

A 
Master Warning light
Master Caution light
CHECK FIRE DET light
FIRE light
BTL ARM advisory light
EXTG switchlight
APU FUEL VALVE CLOSED advisory light
APU Caution light
19
Q

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

A

7 seconds

20
Q

What happens when an APU fire is detected?

A

8 lights illuminate
APU automatically shuts down
7 seconds later fire bottle is discharged

21
Q

Which of the following is not true for confirming the fire bottle was discharged for the APU?
(Answer what IS true for confirming fire bottle discharge)

A

BTL ARM light extinguishes

BTL LOW light illuminates

22
Q

T/F: If the APU fire extinguishing bottles do not automatically discharge, there is nothing else pilots can do to discharge it.

A

FALSE, it can be manually discharged by pressing the guarded EXTG switchlight

23
Q

T/F: If 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 aircraft’s 2 baggage compartments?

A

3
1 in FWD baggage
2 in AFT baggage

25
Q

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

A

1 smoke detector

25
Q

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

A

2 smoke detectors

26
Q

Which of the following does not happen when smoke is detected in the baggage?
(Answer what DOES happen when smoke is detected)

A

SMOKE warning light illuminates
BAGGAGE (AFT or FWD) - SMOKE/EXTG lights illuminate
FIRE BOTTLE (AFT or FWD) -ARM light illuminates
MASTER WARNING switchlight illuminates
Triple chime sounds
(AFT only) inlet/outlet vent valves close

27
Q

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

A

TRUE

28
Q

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

A

3
2 high rate
1 low rate

29
Q

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

A

2 high rate (1 for each FWD and AFT)

1 low rate

30
Q

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

A

Both
FWD baggage discharged simultaneous with high rate
AFT baggage discharged 7 min after high rate bottle

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 after the high rate

32
Q

T/F: There is a way to test the forward and aft baggage compartment smoke detectors

A

TRUE

33
Q

T/F: There is an indication for lavatory smoke in the flightdeck.

A

FALSE, there is no indication in the flight deck but there is an indication in the passenger cabin

34
Q

T/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

Trash bin

36
Q

How many hand held fire extinguishers are located in the flightdeck?

A

1 fire extinguisher in the flight deck

37
Q

Which of the following is not an engine zone monitored by a fire detection loop?
(Answer what IS an engine zone monitored by fire detection)

A

Primary Engine Zone
Leading Edge Zone
Main Wheel Well Zone

38
Q

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

A

2 bottles in wing roots

39
Q

Which of the following statements regarding the engine fire bottles is most accurate?

A

2 engine fire bottles are connected to allow both bottles to be discharged into either engine

40
Q

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

A

It is discharged after 7 seconds, but can be manually discharged with guarded EXTG swichlight
APU operation is inhibited until bottle is replaced

41
Q

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

A

Simultaneous discharges the high and low rate bottles

42
Q

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

A

There is no indication in the cockpit of lavatory smoke

Craig (26 decks)

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