Fire Protection

Question 1

1) 757/767: The forward and aft cargo compartments are equipped with:
a) Four smoke detectors
b) One smoke detector
c) Dual smoke detectors
d) Three smoke detectors

Answer 1

c) Dual smoke detectors

Question 2

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 after first engine start
b) Automatically upon airplane power-up
c) When the ENG/APU/CARGO switch is pushed and held
d) When the wheel well (WHL WELL) fire/overheat test switch is pressed and held

Answer 2

d) When the wheel well (WHL WELL) fire/overheat test switch is pressed and held

Question 3

3) 757/767: Aside from airplane initial power-up, when are the cargo compartment smoke
detectors tested?
a) When manually tested by pressing and holding the ENG button
b) When manually tested by pressing and holding the ENG/APU/CARGO button
c) When manually tested by pressing and holding the WHL WELL button
d) When the test knob is rotated to the TEST position

Answer 3

b) When manually tested by pressing and holding the ENG/APU/CARGO button

Question 4

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

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 located beneath the fire handle

Answer 5

d) Push the fire override switch located beneath the fire handle

Question 6

6) 757/767: When one of the fire extinguisher bottles is discharged or has low pressure,
this is indicated by:
a) A status message
b) Associated SQUIB light illumination
c) Associated EICAS message displaying
d) Associated DISCH light illuminating and EICAS message displaying

Answer 6

d) Associated DISCH light illuminating and EICAS message displaying

Question 7

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 signal 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 signal no longer exists

Question 8

8) 757/767: The FWD cargo 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

9) 752: According to the graphic, pushing the number 1 cargo fire bottle (1-BTL) discharge
switch will cause what to occur?
a) Discharges the number 1 bottle into the armed 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) Discharges the number 1 bottle into the armed compartment

Question 10

10) 757/767: Fire extinguisher bottles are installed for cargo compartment fire extinguishing.
The protection time for either compartment is:
a) 195 minutes
b) 90 minutes
c) 135 minutes
d) 30 minutes

Answer 10

a) 195 minutes

Question 11

11) 757/767: 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 and APU: 2 loops each; Wheel Well: 1 loop; 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: 2 loops each; APU and Wheel Well: 1 loop each; Both Cargo
Compartments: 1 smoke detector each

Answer 11

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

Question 12

12) 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 reconfigures to a single
detector operation
b) Yes, the FIRE/OVHT TEST SYS FAIL 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 12

c) Yes, perform the QRH procedure

Question 13

13) 757: 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) Engine fire indication
d) EICAS advisory FIRE/OVHT SYS, two status messages, and the FAIL P-RESET
light will illuminate on the fire/overheat test panel

Answer 13

d) EICAS advisory FIRE/OVHT SYS, two status messages, and the FAIL P-RESET
light will illuminate on the fire/overheat test panel

Question 14

14) 767: The AFT cargo ARMED switch, when pushed, will have what impact on the air
distribution system?
a) Inhibits high flow on both packs
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 14

a) Inhibits high flow on both packs

Question 15

15) 757/767: According to the graphic, the FAIL P-RESET light is illuminated. What could be
the cause for its illumination?
a) The wheel well fire loop has failed
b) One loop of the engine overheat detection system has failed
c) One APU fire detector loop has failed
d) Dual smoke detector failure in a single cargo compartment

Answer 15

d) Dual smoke detector failure in a single cargo compartment

Question 16

16) 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 all fire bottles are discharged

Answer 16

b) Once the fire signal no longer exists

Question 17

17) 757/767: When do any of ENG, CARGO, or APU BTL DISCH lights illuminate?
a) When the associated fire extinguisher bottle failed to discharge
b) When a fault has been detected in the associated fire extinguisher bottle
c) When the associated fire extinguisher bottle is armed for discharge
d) When the associated extinguisher bottle is discharged or has low pressure

Answer 17

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

Question 18

18) 753/767: The single BTL DISCH switch, when pushed, immediately discharges Bottle 1
into the ARMED cargo compartment and:
a) Inhibits high flow on both packs
b) Turns off both recirculation fans
c) Initiates an automatic fire bottle discharged sequence
d) Turns off both recirculation fans

Answer 18

c) Initiates an automatic fire bottle discharged sequence

Question 19

19) 757: If a fault is detected in both engine fire loops, how will this be indicated?
a) By an engine fire indication with appropriate EICAS messages
b) By only the appropriate STATUS message(s) appearing
c) By the FAIL P-RESET light illuminating and it cannot be extinguished
d) By two associated EICAS messages

Answer 19

a) By an engine fire indication with appropriate EICAS messages

Question 20

20) 757: The ENG Fire/Overheat Test Switch, when pushed and held, tests, the:
a) turbine and strut overheat detection system
b) engine, fire, and overheat detection system
c) APU fire detection system
d) cargo fire detection system

Answer 20

a) turbine and strut overheat detection system

Question 21

21) 757: The ENG/APU/CARGO test switch does not test the:
a) cargo fire detection
b) engine, fire, and overheat detection
c) APU fire detection
d) turbine and strut overheat detection system

Answer 21

d) turbine and strut overheat detection system

Question 22

22) 757/767: There are two engine fire extinguisher bottles. Which of the following statements is true?
a) both bottles must be discharged into the same engine
b) only one bottle can be discharged into either engine
c) either or both bottles can be discharged into either engine
d) an engine fire on the ground is automatically extinguished a few seconds after automatic shutdown

Answer 22

c) either or both bottles can be discharged into either engine

Question 23

23) 757: An APU fire on the ground with both engines shut down requires what action?
a) Pulling the APU fire handle and rotating it in either direction
b) No action is required; the fire is automatically extinguished
c) The BTL DISCH switch is pushed on the APU Ground Control Fire Protection Panel
d) Pushing the fire override switch located beneath the fire handle

Answer 23

b) No action is required; the fire is automatically extinguished

Question 24

24)753/767: Each lavatory has a single smoke detector. If smoke is detected:
a) The LAV SMOKE light illuminates
b) There are no flight deck annunciations of smoke detected in any lavatory
c) EICAS advisory message LAVATORY SMOKE displays
d) EICAS advisory message FIRE/OVHT SYS displays

Answer 24

b) There are no flight deck annunciations of smoke detected in any lavatory