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Boeing-737 Study Items > Fire Protection/Warning Systems > Flashcards

Fire Protection/Warning Systems Flashcards

1
Q

Fire detection and extinguishing systems are located at which of the following areas?
A. Engines, APU, Lavatories, Cargo Compartments
B. Engines, APU, Cargo Compartments, Galleys
C. Engines, APU, Lavatories, Cargo Compartments, Main Gear Wheel Well

A

A. Engines, APU, Lavatories, Cargo Compartments

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2
Q

The _________ powers engine overheat and fire:
A. hot battery bus
B. battery bus
C. AC transfer bus #1

A

B. battery bus

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3
Q

What happens when the engine fire warning switch is pulled up?
A. disables all fuel pumps
B. deactivates the respective electric hydraulic pump
C. All of the above

A

C. All of the above

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4
Q

When the FAULT/INOP and OVHT/FIRE TEST Switch is placed in the OVHT/FIRE position, should the FAULT light illuminate?
A. Yes
B. No

A

B. No

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5
Q

If you are on the ground, what additional indications of an APU fire occur?
A. the FAULT light illuminates
B. the wheel well APU fire warning horn sounds
C. the APU extinguisher bottle automatically discharges

A

B. the wheel well APU fire warning horn sounds

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6
Q

The APU ground control panel contains an APU fire warning light, an APU BOTTLE DISCHARGE switch, an APU fire control handle, and an APU HORN CUTOUT switch and is located in the __________ .
A. nose wheel well
B. water servicing panel
C. main wheel well

A

C. main wheel well

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7
Q

The Cargo Compartment Fire Suppression System contains how many fire extinguisher bottle(s)?
A. two
B. three
C. four

A

A. two

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8
Q

What should happen when pushing the Cargo Fire TEST Switch?
A. only one Extinguisher (EXT) Test Light should illuminate green
B. the green Extinguisher (EXT) Test Lights should NOT illuminate
C. both Extinguisher (EXT) Test Lights should illuminate green

A

C. both Extinguisher (EXT) Test Lights should illuminate green

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9
Q

If the Detector Select (DET SELECT) Switches is in the NORM position, _______.
A. detection loop A and B are active
B. detection loop A is active on the ground while only B is active in the air
C. detection loop B is the only loop active on the ground while both A and B are active in the air

A

A. detection loop A and B are active

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10
Q

The ______light illuminates when both loops in one or both cargo compartments have failed?
A. DISCH
B. DETECTOR FAULT
C. FIRE WARNING LIGHT

A

B. DETECTOR FAULT

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11
Q

If the Cargo Fire Bottle Discharge (DISCH) light is illuminated, what does it mean?
A. on the ground indicates there is a system fault
B. indicates either extinguisher bottle has discharged
C. only illuminates after both extinguisher bottles have discharged

A

B. indicates either extinguisher bottle has discharged

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12
Q

What happens on the B737-800, after the Cargo Fire System is armed, if the Cargo Fire Discharge (DISCH) Switch is pushed, and the first extinguisher bottle is discharged.
A. The second bottle must be discharged manually after 60 minutes.
B. The second bottle must be discharged manually after 15 minutes.
C. A timer is then set for 60 minutes to discharge the second bottle automatically.

A

C. A timer is then set for 60 minutes to discharge the second bottle automatically.

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13
Q

When smoke is detected in the lavatory, what is the flight deck indication?
A. Both red FIRE WARN lights illuminate
B. Both red FIRE WARN lights illuminate and the FIRE BELL sounds.
C. There is no flight deck indication

A

C. There is no flight deck indication

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14
Q

The Lavatory Fire Extinguisher would indicate what color to indicate that the Heat Activated Nozzle has been discharged?
A. Aluminum
B. Flat Black
C. Red

A

A. Aluminum

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15
Q

If the OVHT DET switch is in normal and one engine overheat and fire detection loop fails, what happens?
A. the failed loop is automatically deactivated and the remaining loop functions as a single loop detector
B. the fault light illuminates and the OVHT DET switch must be placed to the operative loop
C. the fault light illuminates and the OVHT DET switch must be placed to the inoperative loop

A

A. the failed loop is automatically deactivated and the remaining loop functions as a single loop detector

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16
Q

What does an illuminated amber FAULT light on the overheat fire protection panel indicate with the OVHT DET switch in normal?
A. one detector loop for an engine has failed
B. both detector loops for an engine have failed
C. the wheel well fire detection system has failed

A

B. both detector loops for an engine have failed

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17
Q

What does an illuminated amber FAULT light on the overheat fire protection panel indicate with the OVHT DET switch selected to A?
A. the A circuit continuity has failed for the respective fire extinguisher bottle
B. the A detector loop for an engine has failed
C. the wheel well fire detection system has failed

A

B. the A detector loop for an engine has failed

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18
Q

A _____ has occurred if both MASTER CAUTION lights, the OVHT/DET system annunciator light, and the related ENG OVERHEAT light illuminate.
A. An APU overheat
B. An engine fire loop has failed
C. An engine overheat

A

C. An engine overheat

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19
Q

The indications of an engine fire are:
A. All related engine overheat alert indications illuminate
B. The fire warning bell sounds, both master FIRE WARNING lights illuminate, the related engine fire warning
switch illuminates
C. all answers are correct

A

C. all answers are correct

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20
Q

The engine fire warning switches are unlocked by?
A. Illumination of an engine fire warning switch, illumination of an ENG OVERHEAT light, or manually by pushing the fire warning switch override
B. Illumination of an engine fire warning switch, illumination of an ENG OVERHEAT light, or by manually pulling the fire warning switch with more than 35 lbs of force
C. all answers are correct

A

A. Illumination of an engine fire warning switch, illumination of an ENG OVERHEAT light, or manually by pushing the fire warning switch override

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21
Q

When the Fire Warning BELL CUTOUT Switch is pushed it extinguishes both master FIRE WARN lights, silences the fire warning bell and ___________.
A. allows the engine fire warning switch to be rotated for discharge
B. resets system for additional warnings
C. silences the altitude warning horn

A

B. resets system for additional warnings

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22
Q

When positioning the EXT TEST Switch to 1 or 2, circuit continuity from the squib to __________ is verified.
A. both engines and APU fire switches
B. the duct overheat circuitry
C. the two engine fire switches, the APU must be tested separately

A

A. both engines and APU fire switches

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23
Q

What happens when placing the Fault/Inoperative (FAULT/INOP) and Overheat/Fire (OVHT/FIRE) TEST Switch to the FAULT/INOP position?
A. tests the fault detection circuits for both engines
B. tests the fault detection circuits for the APU
C. tests the fault detection circuits for both engines and the APU

A

C. tests the fault detection circuits for both engines and the APU

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24
Q

What happens when placing the Fault/Inoperative (FAULT/INOP) and Overheat/Fire (OVHT/FIRE) TEST Switch to the OVHT/FIRE position?
A. tests overheat and fire detection loops on both engines and APU and not the wheel well fire detector
B. tests overheat and fire detection loops on both engines and APU, and wheel well fire detector
C. tests overheat and fire detection loop on the wheel well fire detector only

A

B. tests overheat and fire detection loops on both engines and APU, and wheel well fire detector

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25
Q

What happens when there is an illuminated APU Fire Warning Switch, in the down position?
A. unlocks the APU fire warning switch
B. arms the APU squib
C. all answers are correct

A

A. unlocks the APU fire warning switch

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26
Q

_____lights will illuminate during a number 1 engine overheat?
A. ENG 1 OVERHEAT, and the MASTER CAUTION
B. ENG 1 OVERHEAT, MASTER CAUTION, OVHT/DET system annunciator, and the MASTER FIRE WARNING
C. ENG 1 OVERHEAT, MASTER CAUTION, and OVHT/DET system annunciator

A

C. ENG 1 OVERHEAT, MASTER CAUTION, and OVHT/DET system annunciator

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27
Q

What does an illuminated red WHEEL WELL Fire Warning Light indicate?
A. a fire in the main gear wheel and/or a fire in the nose wheel well
B. a fire in the main gear wheel well
C. a fire in the main gear wheel and/or a fire in the nose wheel well, and arms the squib

A

B. a fire in the main gear wheel well

28
Q

An illuminated engine BOTTLE DISCHARGE light indicates_____.
A. the related fire extinguisher bottle has discharged
B. the related fire extinguisher bottle has been armed and is ready for discharge
C. there is a fault in the fire protection system and the bottle cannot be discharged

A

A. the related fire extinguisher bottle has discharged

29
Q

An illuminated APU DET INOP light indicates_____.
A. APU detector loop has failed
B. The APU door failed to close during shutdown, and a fire test cannot be performed
C. The APU bleed air is inoperative

A

A. APU detector loop has failed

30
Q

An illuminated APU BOTTLE DISCHARGE light indicates_____.
A. the APU extinguisher bottle has been armed and is ready for discharge
B. there is a fault in the fire protection system and the bottle cannot be discharged
C. the APU extinguisher bottle has discharged

A

C. the APU extinguisher bottle has discharged

31
Q

Pushing the Master Fire Warning (FIRE WARN BELL CUTOUT) on the glareshield have the same results as pushing the fire warning bell cutout switch on the overheat/fire protection panel?
A. True
B. False

A

A. True

32
Q

What happens when pushing the FWD Cargo Fire ARM Switch?
A. arms the extinguisher for the forward cargo compartment
B. arms the extinguisher for the forward cargo compartment and discharges the first bottle
C. arms the extinguisher for the both cargo compartments

A

A. arms the extinguisher for the forward cargo compartment

33
Q

What happens when pressing either MASTER CAUTION light after both lights are extinguished?
A. places the associated system into the standby mode
B. resets the annunciator light for further cautions
C. places the associated system into the alternate mode

A

B. resets the annunciator light for further cautions

34
Q

Single failures in dual/redundant systems do not illuminate MASTER CAUTION light. How do you recall the system failure?
A. pressing either MFD switch
B. pressing either MASTER CAUTION light
C. pressing either system annunciator light panel

A

C. pressing either system annunciator light panel

35
Q

If ____________________are pressed, both Master Fire Warning lights are extinguished, the fire warning bell is silenced, and the system is reset for additional warnings.
A. either MASTER FIRE WARNING light or the fire warning bell cutout switch
B. either the MASTER CAUTION light, MASTER FIRE WARNING light, or the BELL CUTOUT switch
C. either the MASTER FIRE WARNING light or the MASTER CAUTION light

A

A. either MASTER FIRE WARNING light or the fire warning bell cutout switch

36
Q

What do the Cabin Altitude and takeoff Configuration Warnings use when activated?
A. the same intermittent tone
B. the MASTER CAUTION light
C. either the MASTER CAUTION light, or the MASTER FIRE WARNING light and bell

A

A. the same intermittent tone

37
Q

What conditions cause the takeoff configuration warning horn to sound?
A. Trailing edge flaps skew or asymmetry, speed brake lever not in the DOWN position, or spoiler control valve is open providing pressured hydraulic fluid to the ground spoiler interlock valve
B. Stabilizer trim not set in the takeoff range, flaps not in the takeoff range, LE devices are not configured for
takeoff, or the parking brake is set.
C. All answers are correct

A

C. All answers are correct

38
Q

What happens anytime the aircraft is below 800 feet AGL, in landing configuration and any gear not down and locked?
A. The MASTER CAUTION light illuminates
B. A steady horn sounds
C. The MASTER FIRE WARNING light and bell sound

A

B. A steady horn sounds

39
Q

During which conditions does pushing the Landing Gear Warning Cutout Switch silence landing gear configuration warning aural?
A. flaps up through 10 and below 800 feet RA
B. flaps 15 through 25 and below 800 feet RA
C. flaps 30 through 40 and below 800 feet RA

A

A. flaps up through 10 and below 800 feet RA

40
Q

What does the The Proximity Switch Electronic Unit (PSEU) monitor?
A. takeoff and landing configuration warnings
B. landing gear and air / ground sensing
C. all answers are correct

A

C. all answers are correct

41
Q

On the ground, what does an illuminated Proximity Switch Electronic Unit (PSEU) indicate.
A. an EEC fault has occurred and automatic switching to the alternate mode has occurred
B. a fault is detected in the PSEU, or an overwing exit flight lock fails to disengage when commanded
C. all answers are correct

A

B. a fault is detected in the PSEU, or an overwing exit flight lock fails to disengage when commanded

42
Q

The Proximity Switch Electronic Unit (PSEU) _____________ in flight.
A. is inhibited from thrust lever advance for takeoff until 30 seconds after landing
B. will illuminate for an air / ground sensing disagree
C. will illuminate during a landing gear configuration warning

A

A. is inhibited from thrust lever advance for takeoff until 30 seconds after landing

43
Q

As the throttles are advanced, what does it mean if the Takeoff Configuration Warning Light illuminates red?
A. the airplane is not configured correctly for takeoff
B. the airplane has a high cabin altitude
C. the airplane has encountered windshear

A

A. the airplane is not configured correctly for takeoff

44
Q

What does an illuminated Cabin Altitude Warning Light indicates?
A. at 12,000 feet if the cabin has not been pressurized
B. at 10,000 feet if the cabin has not been pressurized
C. at 14,000 feet if the cabin has not been pressurized

A

B. at 10,000 feet if the cabin has not been pressurized

45
Q

What happens when the maximum operating airspeed of Vmo/Mmo is exceeded?
A. the Mach / airspeed warning system provides an aural warning (clacker)
B. a red airspeed warning is displayed across the lower EADI
C. all answers are correct

A

A. the Mach / airspeed warning system provides an aural warning (clacker)

46
Q

The indication of an impending stall is_____?
A. an artificial stall warning device (stick shaker)
B. an automated aural warning horn
C. an automated aural “stall, stall, stall” annunciated over the aft overhead speaker

A

A. an artificial stall warning device (stick shaker)

47
Q

Which is true in regard to the MACH AIRSPEED WARNING TEST switches and the STALL WARNING TEST switches?
A. must be tested after complete IRS alignment
B. reset the stall warning computer for non-icing conditions
C. are inhibited while airborne

A

C. are inhibited while airborne

48
Q

When is altitude alerting inhibited?
A. when the trailing edge flaps are extended to 25 or greater, or while G/S is captured, or while in VNAV PATH on an RNAV approach
B. below 2500 feet
C. when the trailing edge flaps are extended to 25 or greater, or while G/S is captured

A

C. when the trailing edge flaps are extended to 25 or greater, or while G/S is captured

49
Q

At what point prior to reaching the selected altitude does a white box show around the selected altitude display, the box around the current altitude becomes bold and a momentary tone sounds?
A. 900 feet
B. 500 feet
C. 1000 feet

A

A. 900 feet

50
Q 
If the selected altitude is deviated by \_\_\_\_ feet, a momentary tone sounds, the current altitude box turns 
amber and \_\_\_\_\_\_\_\_\_\_\_\_.
A. 300; extinguishes
B. 300; begins to flash
C. 300; shows steady
A

B. 300; begins to flash

51
Q

What inhibits Ground Proximity Warning System look ahead terrain and radio altitude based alerts?
A. altitude loss after takeoff
B. actual windshear warning
C. excessive terrain closure rate

A

B. actual windshear warning

52
Q

Approximately how far from the projected impact will the look ahead terrain alert “Terrain, terrain, pull up” sound with the terrain shown in solid red on the navigation display?
A. more than 60 secs
B. 20 to 30 secs
C. 40 to 60 secs

A

B. 20 to 30 secs

53
Q

In what speed realm does “Too low, terrain” aural alert occur if the aircraft is at an unsafe terrain clearance with either the landing gear not down or flaps not in the landing configuration?
A. high speed
B. low speed
C. stall speed

A

A. high speed

54
Q

If the aircraft experiences excessive altitude loss after a takeoff or go-around, the “__________” aural alert occurs.
A. “GLIDESLOPE”
B. “TOO LOW, FLAPS”
C. “DON’T SINK”

A

C. “DON’T SINK”

55
Q

When are new predictive windshear warning alerts are inhibited During takeoff and landing?
A. passing 80 knots
B. continuously
C. between 100 knots and 50 ft RA

A

C. between 100 knots and 50 ft RA

56
Q

What does an illuminated Inoperative (INOP) light on the Ground Proximity panel alert the pilot to?
A. a GPWS computer malfunction or power loss has occurred.
B. the GPWS computer has automatically switched to the alternate mode
C. the flap inhibit switch needs to be placed to flap inhibit

A

A. a GPWS computer malfunction or power loss has occurred.

57
Q

In flight, the Ground Proximity System Test (SYS TEST) Switch is ______.
A. inhibited
B. operative
C. delayed by 30 seconds

A

A. inhibited

58
Q

What does placing the Ground Proximity FLAP INHIBIT Switch to FLAP INHIBIT, inhibit?
A. ground proximity TOO LOW GEAR alert
B. all ground proximity alerts
C. ground proximity TOO LOW FLAPS alert

A

C. ground proximity TOO LOW FLAPS alert

59
Q

What does placing the Ground Proximity TERRAIN INHIBIT Switch to TERRAIN INHIBIT, inhibit?
A. look-ahead terrain alerts and terrain displays
B. ground proximity TOO LOW GEAR alert
C. all answers are correct

A

A. look-ahead terrain alerts and terrain displays

60
Q

When does the weather radar automatically begins scanning for windshear?
A. in flight below 2,300 feet RA
B. the thrust levers are set for takeoff
C. all answers are correct

A

C. all answers are correct

61
Q

A(n) ____________ aural and a message is annunciated on the traffic display for Traffic advisories.
A. “TRAFFIC TRAFFIC”
B. “WHOOP, WHOOP, PULL UP”
C. “OBSTACLE, OBSTACLE”

A

A. “TRAFFIC TRAFFIC”

62
Q

Resolution advisories provide ________and an aural warning to maintain or increase separation from traffic.
A. maneuver guidance
B. an airspeed restriction or maneuver on the EADI
C. all answers are correct

A

A. maneuver guidance

63
Q

What does placing the Transponder Mode Selector to TA (traffic advisory) ONLY do?
A. enables the display of traffic advisory targets
B. enables the display of traffic advisory targets and resolution advisory (RA) targets
C. disables the display of traffic advisory targets

A

A. enables the display of traffic advisory targets

64
Q

What does placing the Transponder Mode Selector to TA/RA do?
A. enables the display of traffic advisory targets
B. disables the display of traffic advisory targets
C. enables the display of traffic advisory targets and resolution advisory (RA) targets

A

C. enables the display of traffic advisory targets and resolution advisory (RA) targets

65
Q

What does pressing the Absolute Altitude Display Selector on the TCAS Controls (Transponder Panel) do?
A. displays absolute altitude of TCAS targets
B. displays absolute altitude of terrain
C. displays absolute altitude for RA TCAS targets only

A

A. displays absolute altitude of TCAS targets

66
Q

In which TCAS Altitude Range Switch position sets TCAS display from 2700 feet below to 7000 feet above own aircraft?
A. Above (ABV)
B. Normal (N)
C. Below (BLW)

A

A. Above (ABV)

67
Q 
On the cartridge assembly (Tail Skid) on the -800 and -900 series, if the warning decal is \_\_\_\_\_\_, the cartridge 
must be replaced.
A. red and green
B. all red
C. all yellow
A

B. all red

Boeing-737 Study Items (15 decks)

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