8 fire protection Flashcards

1
Q

fire warning sw in up position (pulled) 6

A

arm one squib per engine;
allows eng fire sw to rotate;
close fuel, hyd shutoff, eng bleed valves;
disable reverse thrust;
trip generator control relay and breaker;
deactivate eng driven hyd pump low press light

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2
Q

apu fire sw pulled 7

A
backup for auto shutdown;
close fuel shutoff valve;
close apu bleed valve;
trip generator and breaker;
close apu inlet door
arm squib
allow fire sw to rotate
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4
Q

fault on fire warning panel

A

if overheat detec sw in normal both loops failed
if overheat detec sw in a or b, selected loop is failed

MASTER CAUTION DO NOT ILUMINATE

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5
Q

apu detec inop

A
apu loop (only one installed) failed, 
master caution illuminate
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6
Q

cargo fire detector fault

A

one or more of selected loop failed

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7
Q

cargo fire disch sw

A

if system is armed, discharge the first bottle after 60min will discharge the other

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8
Q

eng overheat,

eng and apu fire detection is powered by

A

battery bus

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9
Q

wheel well detection is powered by

A

ac transfer 2 or battery bus

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10
Q

cargo smoke detection is powered by

A

dc bus 1 and 2

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11
Q

cargo fire suppression is powered by

A

hot bat bus

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12
Q

how many detectors on cargo compartments

A

4 front 6 back

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13
Q

eng fire and apu fire extinguishing is powered by

A

hot battery bus

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