Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

SCA > DB's SY 737 Fire Protection > Flashcards

DB's SY 737 Fire Protection Flashcards

0
Q

Fire Warning BELL CUTOUT Switch - Push

A
  1. Extinguishes both master FIRE WARN lights
  2. Silences the fire warning bell
  3. Silences the remote APU fire warning horn (ground only)
  4. Resets the system for additional warnings
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

OVHT DET switch

  1. NORMAL
  2. A
  3. B
A
  1. Detection loop A and B are active
  2. Detection loop A is active
  3. Detection loop B is active
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Engine Fire Panel

EXT TEST switch - 1 or 2

A

Tests bottle discharge circuit continuity for all three extinguisher bottles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

FAULT/INOP TEST switch

A

Tests fault detection circuits for both engines and the APU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

OVHT/FIRE TEST switch

A

Tests overheat and fire detection loops on both engines and APU, and wheel well fire detector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

APU Fire handle - Illuminated (red)

A
  1. Indicates fire in APU

2. Unlocks APU fire handle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

APU Fire handle - In

A

Normal position, mechanically locked if no fire signal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

APU Fire handle - Up (pulled)

A
  1. Provides backup for the automatic shutdown feature
  2. Closes APU fuel SOV and deactivates the ECU
  3. Closes APU bleed air valve
  4. Closes the APU inlet door
  5. Trips generator control relay and breaker
  6. Allows APU fire switch to rotate
  7. Arms APU extinguisher circuit
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

APU Fire handle - Rotate (left or right)

A

Discharges APU fire bottle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Engine Fire handle - Illuminated (red)

A
  1. Indicates fire in related engine

2. Unlocks related engine fire handle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Engine Fire handle - In

A

Normal position, mechanically locked if no fire signal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Engine Fire handle- Up (pulled)

A
  1. Arms one discharge squib on each engine fire extinguisher
  2. Closes the engine fuel SOV and spar fuel SOV
  3. Closes hydraulic SOV and deactivates engine driven hydraulic pump LOW PRESSURE light
  4. Closes engine bleed air valves (resulting in loss of wing anti-ice to affected wing and closure of bleed air operated pack valve)
  5. Disables thrust reverser (affected engine only)
  6. Trips generator control relay and breaker
  7. Allows engine fire switch to rotate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Engine Fire handle - Rotate (left or right)

A

Discharges related fire bottle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ENGINE OVERHEAT light - Iluminated

A

Indicates overheat in related engine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Engine Fire Panel FAULT light- Illuminated (Amber)

  1. With OVHT/DET switch in NORMAL
  2. With OVHT/DET switch in A or B
A
  1. Both detector loops for an engine have failed

2. Selected detector loop for an engine has failed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

WHEEL WELL Fire Warning light - illuminated (red)

A

Fire in main gear wheel well

16
Q

Engine BOTTLE DISCHARGE light - illuminated (Amber)

A

Related fire extinguisher bottle has discharged

17
Q

APU DET INOP light - illuminated (Amber)

A

APU detector loop has failed

18
Q

APU BOTTLE DISCHARGE light - illuminated (Amber)

A

APU extinguisher bottle has discharged

19
Q

ENGINES/APU EXT TEST lights - illuminated (green)

A

Circuit continuity is normal for selected switch

20
Q

CARGO EXT Test lights (FWD or AFT) - illuminated (green)

A

Fire bottle discharge squib circuit continuity is normal

21
Q

Cargo Fire Panel DETECTOR FAULT light - illuminated (Amber)

A

One or more of the selected detector loop(s) in either cargo compartment has failed

22
Q

Cargo Fire TEST switch - push

A

Tests circuits for both forward and aft cargo fire detector loops and suppression systems

23
Q

Cargo Fire ARM Switches - push

  1. FWD ARMED
  2. AFT ARMED
A
  1. Extinguisher armed for the forward cargo compartment

2. Extinguisher armed for the aft cargo compartment

24
Q

Cargo Fire (FWD/AFT) warning lights - illuminated (red)

  1. Dual loop ops (normal)
  2. One loop power failure (either auto or manually selected)
A
  1. At least one detector in each loop detects smoke

2. At least one detector on the remaining loop detects smoke

25
Q

Cargo Fire Bottle DISCH light - illuminated (Amber)

  1. 710SY-713SY
  2. All others
A
  1. The extinguisher bottle has discharged

2. Either extinguisher bottle has discharged

26
Q

Cargo Fire DISCH switch - push

  1. 710SY-713SY
  2. All others
A
  1. If system is armed, discharges the extinguisher bottle
  2. If system is armed, discharges the extinguisher bottle. The timer is set for 60 minutes to discharge the second extinguisher bottle.
27
Q

Master FIRE WARN lights - Illuminated (red)

A

Fire warning (or system test) in engine, APU, main gear wheel well or cargo compartment. Fire bell sounds and if on ground, remote APU fire warning horn sounds.

28
Q

Master FIRE WARN lights - Push

A
  1. Extinguishes both master FIRE WARN lights
  2. Silences fire warning bell
  3. Silences remote APU fire warning horn
  4. Resets system for additional warnings
29
Q

What systems have fire detection and extinguishing systems?

A
  1. Engines (also have overheat detection)
  2. APU
  3. Lavs
  4. Cargo compartments

(Main landing gear wheel well has detection but no extinguishing system)

30
Q

What electrical bus powers the engine and APU overheat and fire detection systems?

A

Battery bus

31
Q

What electrical bus powers the engine and APU fire extinguishing system?

A

Hot battery bus

32
Q

How many overheat/fire detector loops per engine?

A

2

33
Q

If only one engine overheat/fire detector loop fails, is there any indication to the flight deck?

A

No. First indication will be during preflight fire test.

34
Q

How many overheat/fire detector loops are installed on the APU?

A

1

35
Q

What are the indications of a FAULT/INOP system test?

A
  1. Both MASTER CAUTION lights
  2. OVHT/DET system annunciator (recall) light
  3. FAULT light
  4. APU DET INOP light
36
Q

What are the indications of a OVHT/FIRE test?

A
  1. Fire warning bell sounds
  2. Both master FIRE WARN lights
  3. Both MASTER CAUTION lights
  4. OVHT/DET system annunciator (recall) light
  5. Both engine and APU fire warning switches (fire handles) light
  6. Both ENG OVERHEAT lights
  7. WHEEL WELL fire warning light (AC power only)
  8. Wheel well APU fire warning horn sounds and lights flash (ground only)
37
Q

What are the indications of a cargo fire and extinguisher test?

A
  1. Fire warning bell sounds
  2. Both master FIRE WARN lights
  3. EXT FWD and AFT green lights
  4. FWD and AFT cargo fire warning lights (when all detectors in selected loop respond)
  5. Cargo fire bottle DISCH light

SCA (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions