SELF-CHECK 4 FIRE PROTECTION (Ch. 12)

Question 1

Zone 1 of the Engine fire protection system monitors which part of the engine?

A. The pylon
B. The accessories and compressor sections
C. The accessory section only
D. The compressor sections only

Answer 1

B. The accessories and compressor sections.

Question 2

Which half of the FIRE/OVERHT pushbutton indicator will illuminate during a Zone 1 engine overheat?

A. OVERHT
B. FIRE
C. FIRE and OVERHT
D. None of the above

Answer 2

B. FIRE.

Question 3

Zone 2 of the Engine fire protection system monitors which part of the engine?
A. Accessories section
B. Compressor section
C. Combustor section
D. The accessories and the compressor section

Answer 3

C. Combustor section.

Question 4

Fire extinguisher protection is available to which zone of the engine ?

A. Zone 1
B. Zone 2
C. Both
D. Neither Zone 1 nor Zone

Answer 4

A. Zone 1.

Question 5

What cockpit warnings will the crew receive during a Zone 1 overheat?

A. Audio alarm, OVERHT annunciator
B. Audio alarm, FIRE annunciator
C. OVERHT annunciation only
D. FIRE annunciation only

Answer 5

B. Audio alarm, FIRE annunciator.

Question 6

The fire/overheat detection consists of a _______________.

A. Light and heat detector
B. Smoke detectors
C. Gas-filled sensor
D. Vibration/Flame sensor

Answer 6

C. Gas-filled sensor.

Question 7

The left side fire bottle can be used on the _________.

A. Left engine only
B. Left engine and APU
C. Left engine, right engine or APU
D. Left or right engine

Answer 7

D. Left or right engine.

Question 8

The right side fire bottle can be used on the _________.

A. Right engine only
B. APU only
C. Left engine , right engine or APU
D. Left or right engine

Answer 8

C. Left engine , right engine or APU.

Question 9

When does the EMPTY light illuminate ?

A. When the FIRE annunciator illuminates
B. When the OVERHT annunciator illuminates
C. When either the FIRE or OVERHT annunciator illuminates
D. Only after the illuminated ARM pushbutton is pressed

Answer 9

D. Only after the illuminated ARM pushbutton is pressed.

Question 10

What color is the fire extinguisher thermal relief blow out disk?

A. Blue
B. Green
C. Yellow
D. Red

Answer 10

D. Red.

Question 11

When pressed, the PRESS TO TEST pushbutton in the center of the fire control panel tests what fire detection/protection subsystems?

A. Electrical circuits, integrity of sensor (detector) tube, and extinguishing cylinders discharge cartridges
B. Electrical circuits only
C. Integrity of sensor (detector) tube only
D. Extinguishing cylinders discharge cartridges only

Answer 11

A. Electrical circuits, integrity of sensor (detector) tube, and extinguishing cylinders discharge cartridges.

Question 12

A successful engine fire test is indicated by which message on the EICAS?

A. SYSTEM TEST PASSED
B. FIRE TEST IS GOOD
C. ENG FIRE TEST OK
D. FIRE SYSTEM CHECKS

Answer 12

C. ENG FIRE TEST OK.

Question 13

______ indicator lights in the PRESS TO TEST pushbutton illuminate if all main engine discharge cartridges are intact and operational.

A. Two
B. Three
C. Four
D. Five

Answer 13

C. Four.

Question 14

Where on the airplane is the red thermal discharge indicator located?

A. Left side of the fuselage, above the pylon
B. Right side of the fuselage, below the pylon
C. Next to the crew entrance door
D. Left side of the fuselage, below the pylon

Answer 14

B. Right side of the fuselage, below the pylon.

Question 15

What does the L ENG FIRE BTLE message mean ?

A. The airplane is in flight, and the left fire bottle pressure is below 400 PSI
B. Left engine fire bottle pressure is below 200 PSI
C. APU fire bottle pressure is below 400 PSI
D. The left fire bottle is the “active” fire bottle

Answer 15

A. The airplane is in flight, and the left fire bottle pressure is below 400 PSI.

Question 16

On which electrical bus are the Engine Fire and Overheat Detection systems?

Answer 16

Emergency Bus.

Question 17

Is Zone 2 protected by the fi re extinguishing system?

Answer 17

No, only monitoring for Overheat.

Question 18

What crew action is required with a BAGGAGE SMOKE caution message?

Answer 18

BAGGAGE SMOKE caution message displays. The crew must push the BAGG PRESS switchlight on the center pedestal to close the smoke isolation valve, turn off the baggage compartment heat, and land at the nearest suitable airport.

Question 19

The BAGG PRESS pushbutton has two halves, each with its own light.
Under what conditions will each illuminate?

Answer 19

The upper half of the BAGG PRESS pushbutton will illuminate HI PRESS when baggage compartment pressure is greater than 6.95 ±.25 PSI. If the pilot then pushes the button, the bottom half will illuminate
CLOSE, indicating that the smoke isolation valve is closed.

Question 20

What do the various lights of the fire control panel indicate?

Answer 20

FIRE/OVERHEAT lights indicate integrity of detectors in Zones 1 & 2. ARM/EMPTY lights indicate continuity of circuits. PRESS TO TEST four lights indicate integrity of discharge cartridges.

Question 21

In case of an engine fire, which fire extinguisher should be used first and why?

Answer 21

Use the left bottle first for an engine fire, because only the right bottle can be used for an APU fire.

Question 22

Is the baggage compartment protected by a fire or overheat system?

Answer 22

Smoke detection only; no extinguishing capability.

Question 23

The pilot receives a FIRE indication and pushes the FIRE/OVERHT pushbutton. What has happened?

Answer 23

Fuel and hydraulic valves on that engine close, and both bottle discharge cartridges are armed for discharge to that engine.

Question 24

What indication does the crew have that the fire is extinguished?

Answer 24

Red FIRE light on the fire control panel extinguishes.