Fire Protection (FM: 6.80)

Question 1

757/767: The forward and aft cargo compartments are equipped with:

a) Two smoke detectors in the FWD and AFT compartments and one detector in the BULK compartment
b) One smoke detector in the FWD, AFT and BULK compartments
c) Dual smoke detectors in the FWD and AFT compartments
d) Cargo smoke detection is not required as these are Class D compartments

Answer 1

C) Dual smoke detectors in the FWD and AFT compartments

Question 2

757/767: The main gear wheel well has fire detection and warning only. There is no fire extinguishing system. The main wheel well (WHL WELL) fire detection system is tested:

a) Automatically when starting the APU
b) Automatically on airplane initial power-up
c) When the ENG/APU/CARGO switch is pushed and held
d) When the WHL WELL fire test switch is pushed and held

Answer 2

D) When the WHL WELL fire test switch is pushed and held

Question 3

757/767: Aside from airplane initial power-up, when are the cargo compartment smoke detectors tested?

a) Automatically when a single detector fails in the closed mode
b) When tested manually
c) When both smoke detectors have failed
d) Automatically when a single detector fails in the open mode

Answer 3

B) When tested manually

Question 4

757/767: When an engine fire warning is received, one way this is indicated is by:

a) An automatic engine shut down
b) The first fire bottle automatically being discharged
c) The fire bell sounding
d) The associated engine generator automatically being tripped off

Answer 4

C) The fire bell sounding

Question 5

757/767: When an APU fire is detected, the handle is electrically unlocked and may then be pulled out. If the handle fails to electrically unlock, what action is required by the crew?

a) There is no pilot input to correct this
b) Push down on the handle, then pull it up
c) Rotate the handle first, then pull it up
d) Push the fire override switch

Answer 5

D) Push the fire override switch

Question 6

757/767: When one of the fire extinguisher bottles is discharged or has low pressure, this is indicated by:

a) Only a A STATUS message
b) The SQUIB light illuminates
c) The ARMED light illuminates
d) DISCH light illuminates

Answer 6

D) DISCH light illuminates

Question 7

757/763: The discrete FIRE warning light illuminates when an engine, APU, wheel well, or cargo fire is detected. When does the light extinguish?

a) After the Master Warning reset switch is pushed
b) When the fire condition no longer exists
c) Once an engine fire handle is pulled
d) Once the EICAS CANCEL switch is pushed

Answer 7

B) When the fire condition no longer exists

Question 8

763: The FWD ARMED switch, when pushed, will have what impact on air distribution?
a) Closes all cargo heat valves
b) Turns off both recirculation fans
c) Opens the overboard exhaust valve
d) Closes the left bleed valve

Answer 8

B) Turns off both recirculation fans

Question 9

752: According to the graphic, pushing the BTL DISCH 2 will cause what to occur?
a) Allows bottle 2 to immediately discharge into the selected compartment
b) Signals both packs to go to high flow
c) Opens the overboard exhaust valve
d) Turns off the FWD recirculation fan

Answer 9

A) Allows bottle 2 to immediately discharge into the selected compartment

Question 10

757/767: The FWD ARMED switch, when pushed, will have what impact on air distribution?

a) Both engine bleed air valves are closed
b) The right pack is switched to high flow
c) Turns off both cargo heat fans
d) Turns off both recirculation fans

Answer 10

D) Turns off both recirculation fans

Question 11

752ER/757RR/767: To provide cargo compartment fire extinguishing, fire extinguisher bottles are installed. The protection time for either compartment is ____ minutes.

a) 195
b) 90
c) 135
d) 30

Answer 11

A) 195

Question 12

752PW/767: Each respective fire detection system contains how many sensors (loops or detectors)?

a) Engines, APU, and Wheel Well: 2 loops each; Both Cargo Compartments: 2 smoke detectors each
b) Engines: 2 loops each; APU and Wheel Well: 1 loop each; Both Cargo Compartments: 1 smoke detector each
c) Engines and APU: 2 loops each; Wheel Well: 1 loop; Both Cargo Compartments: 2 smoke detectors each
d) Engines and APU : 2 loops each; Wheel Well: 1 loop; Both Cargo Compartments: 1 smoke detector each

Answer 12

C) Engines and APU: 2 loops each; Wheel Well: 1 loop; Both Cargo Compartments: 2 smoke detectors each

Question 13

752/763: According to the graphic, is there any action required if this STATUS message appears?

a) No, no action is required; the system automatically reconfigured to a single detector operation
b) Yes, the SYS FAIL reset switch must be pushed in order to reconfigure the system to a single detector operation
c) Yes, perform the QRH procedure
d) Yes, the associated CARGO FIRE switch must be pushed to the ARMED position

Answer 13

C) Yes, perform the QRH procedure

Question 14

757RR: In the event of a dual APU fire loop failure, what indication(s) will be available to the crew?

a) The associated ENG OVHT EICAS message appears
b) Only the appropriate STATUS message(s) appear
c) Nothing, There are no indications if both overheat loops fail
d) The FAIL P/RESET light on the fire test panel will illuminate

Answer 14

D) The FAIL P/RESET light on the fire test panel will illuminate

Question 15

767: The AFT ARMED switch, when pushed, will have what impact, if any, on the air conditioning packs?
a) Both packs remain in normal flow
b) Both packs switch to high flow
c) The right pack switches to high flow, the left pack remains in low flow
d) The right pack remains in normal flow, the left pack switches to high flow

Answer 15

A) Both packs remain in normal flow

Question 16

757/767: According to the graphic, the FAIL P-RESET light is illuminated. What could be the cause for its illumination?

a) Both 757RR engine fire detection loops have failed
b) One loop of the engine overheat detection system has failed
c) One APU fire detector loop has failed
d) Both smoke detectors in a cargo compartment have failed

Answer 16

D) Both smoke detectors in a cargo compartment have failed

Question 17

757/767: Once a fire warning light or EICAS message has illuminated, it will only extinguish:

a) 5 seconds after extinguishing the fire
b) Once the fire signal no longer exists
c) Once the Master warning light is pushed
d) Once the associated overheat sensor resets

Answer 17

B) Once the fire signal no longer exists

Question 18

757/767: When do any of ENG, CARGO, or APU BTL DISCH lights illuminate?

a) When the respective bottle squib failed to be activated
b) When a fault has been detected in the respective bottle
c) The respective bottle is armed for discharge
d) When the associated extinguisher bottle is discharged or has low pressure

Answer 18

D) When the associated extinguisher bottle is discharged or has low pressure

Question 19

753/767: The single BTL DISCH switch, when pushed, immediately discharges Bottle 1 into the ARMED cargo compartment and:

a) Opens the overboard exhaust valve
b) Opens the smoke clearance port
c) Initiates the bottle discharge sequence for the remaining bottles
d) Closes the APU bleed valve

Answer 19

C) Initiates the bottle discharge sequence for the remaining bottles

Question 20

757RR: If an engine fire detection system (loops 1 and 2) were to fail, this would cause:

a) An engine fire indication with appropriate EICAS messages
b) Only the appropriate STATUS message(s) to appear
c) The SYS FAIL P-RESET light to illuminate and it cannot be extinguished
d) The associated ENG OVHT message to appear

Answer 20

A) An engine fire indication with appropriate EICAS messages