Fire Protection

Question 1

Describe what to do if the Engine or APU Fire Switch cannot be pulled in the event of evacuation or as directed by the QRH

Answer 1

Manual unlocking is accomplished by pushing the Fire Override Switch located beneath the fire switch

Question 2

What happens when an Engine Fire switch is pulled?

Answer 2

Arms both Fire Bottles, Silences the Fire Bell, Trips associated Engine Generator off, Closes associated Fuel/Bleed/Hydraulic Valves

Question 3

With an engine fire, how can the fire bell be silenced?

Answer 3

All the above

Extinguish the fire, Pull the engine fire switch, Pushing either MW/MC reset switch

Question 4

What is the meaning of an L or R ENG OVHT light and EICAS caution message?

Answer 4

Overheat is detected in the engine

Question 5

Two fire bottles are available for an engine fire: T/F

Answer 5

True

Question 6

Describe what happens when a Cargo Compartment ARM switch is pushed

Answer 6

Silences the bell, Arms available fire bottles, FWD turns the RECIRC Fan off

Question 7

What indication would result after pushing a Cargo Fire ARM switch?

Answer 7

The Cargo switch/light would illuminate ARMED

Question 8

Three fire bottles are available for cargo fires: T/F

Answer 8

False

Question 9

What happens when the APU fire switch is pulled?

Answer 9

Arms the Fire Bottle and silences the Fire Bell (silences Ground Horn if on the ground), Shuts down the APU, and closes respective valves

Question 10

Describe what happens outside of the Aircraft when an APU fire occurs on the ground

Answer 10

A fire warning horn on the nose gear strut sounds and a fire warning light on the APU ground control panel illuminates

Question 11

How many fire bottles are available to the APU?

Answer 11

One or two as installed

Question 12

What does the main wheel well fire detection system consist of?

Answer 12

A single fire loop in each main wheel well

Question 13

What type of fire protection is provided for the main gear wheel well?

Answer 13

The main gear wheel well has fire detection and warning only. There is no fire extinguishing system

Question 14

The main gear Wheel Well Fire Warning Lights remain illuminated as long as the fire signal exists: T/F

Answer 14

True

Question 15

Describe when the Engine and APU Fire Detection Systems are tested

Answer 15

Automatically when electrical power is applied or manually by using the FIRE/OVHT test panel

Question 16

When is a Cargo Smoke Detection System tested?

Answer 16

During a manual test or automatically when electrical power is applied or transferred from one source to another

Question 17

What are the cockpit indications of a failure of an Engine Fire Detection System?

Answer 17

The SYS FAIL light illuminates along with an EICAS Advisory message

Question 18

What is accomplished by pushing the System Fail Reset switch after a FAIL P-RESET light illuminates?

Answer 18

Resetting allows monitoring of the remaining systems and extinguishes the FAIL light

Question 19

APU Loops are:

Answer 19

Both A and C

Continuously monitored + Automatically reconfigured to a single loop operation if one loop fails

Question 20

The APU bottle discharge light illuminates when:

Answer 20

The bottle is fully discharged

Question 21

The APU fire warning will remain active until:

Answer 21

The fire has been extinguished

Question 22

Fire detection is provided for both cargo compartments, however, fire protection is available only for the FWD cargo compartment: T/F

Answer 22

False

Question 23

The number of smoke detectors installed in each lower cargo compartment is:

Answer 23

2

Question 24

If a smoke detector has failed, the system can be reconfigured for a single smoke detector operation by:

Answer 24

Pressing the SYS FAIL RESET switch

Question 25

Pushing the Cargo Isolation Switch will discharge fire bottles into the main deck cargo compartment: T/F

Answer 25

False

Question 26

After discharging the first cargo fire extinguisher, when will the second cargo extinguisher be discharged?

Answer 26

When directed by the QRH (50 minutes later or approach)

Question 27

A fire must be sensed in both wheel wells for activation of the wheel well fire warning system: T/F

Answer 27

False

Question 28

If a wheel well fire is detected:

Answer 28

The landing gear should be lowered per the QRH

Question 29

Which will NOT activate during a successful Main Deck Smoke test?

Answer 29

Caution Beeper