Systems

Question 1

Eng fire protection and powered how?

Answer 1

ENG ovht/fire det - battery bus
Eng fire ext - HOT BAT BUS

Question 2

ENG OVHT/FIRE DETECTION

Answer 2

each engine - 2 loops
Lower limit - OVHT
Higher limit - FIRE
BOth loop must sense condition
Remains - temp drop

Question 3

Fault monitoring circuit?

Answer 3

one loop fails with OVHT DET switch in NORMAL, that loop = auto deselected - remaining loop function as single loop.

Question 4

FD indication of single loop failure?

Answer 4

NO
Both loops fail on engine - FAULT light on and system inop.

Question 5

Only Loop A or B selected?

Answer 5

Single loop system
Non selected loop - not monitored
Selected loop fails - FAULT light

Question 6

APU fire protection?

Answer 6

fire detection - battery bus
fire extinguishing - hot batt bus

Question 7

Detection?

Answer 7

singe loop

Question 8

Fault monitoring system

Answer 8

loop fails, the APU DET INOP light illuminates -

Question 9

Main wheel well fire detection powered?

Answer 9

AC TRANSFER BUS 2 and BATT bus
single loop

Question 10

Cargo compartment smoke detection?

Answer 10

DC Bus 1 and DC Bus 2

Question 11

Cargo fire suppression?

Answer 11

HOT BAT BUS

Question 12

Total loop cargo compartment?

Answer 12

dual loop

Question 13

How many needs to detect smoke?

Answer 13

both

Question 14

Detector failure?

Answer 14

Sys manually converted to single loop with DETECT SELECT switch.

Question 15

Power failure of one loop?

Answer 15

Auto converts to single loop

Question 16

YR017 - YR024 Fire suppression system?

Answer 16

single bottle
Total discharge of bottle
75min suppression
60 flight time to land
15min GA, land, unload pax
30s light DISCH to illuminate

Question 17

YR027-YV394

Answer 17

two bottles
1st bottle total discharge 60min protection
2nd bottle metered to discharge reduced flow.
195min
180 to land, 15min GA, land, unload pax.
Discharge 2nd bottled may be disabled if system disarmed.
Landing - 1st bottle discharged and system remains armed - 2nd bottle discharge inhibited.

Question 18

Lav fire protetion consist of?

Answer 18

smoke detection
fire extinguishing - heat activated

Question 19

Name of system and monitors for?

Answer 19

KIDDE
for smoke

Question 20

Smoke detected?

Answer 20

aural warning
red status indicator light on LAV smoke detector panel illuninates

Question 21

Fire extinguishing system location?

Answer 21

Beneath sink area in Lav.

Question 22

Fire detected?

Answer 22

auto operation
FD no indication.

Question 23

FAULT INOP TEST?

Answer 23

2 x MC
OVHT/DET light on system annunc
FAULT light
APU DET INOP

Question 24

OVHT/FIRE Test Detection??

Question 25

Extinguisher test?

Answer 25

GREEN light on.
circuit continuity from squib to ENG/APU fire switch.

Question 26

Cargo Fire Test does what?

Answer 26

Send signal to forward and aft cargo fire detector loops.
verifies continuity of extinguisher bottle squib circuits.

Question 27

Cargo Fire Test steps?

Question 28

Max Cargo compartment fire suppression?

Answer 28

two Halon bottles
25lb high rate
33lb low rate
HRD complete discharge
15min times
LRD bottle reduced metered flow
195min
landing - LRD was not discharged - IT WILL NOT discharge.