12- Fuel Flashcards

1
Q

eng valve closed or spar valve lights

off, dim, bright

A

extinguished valve is open
dim valve closed
bright transit or disagree (start lever or firesw)

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2
Q

cross feed valve open

A

transit or disagree bright

open dim

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3
Q

fuel filter bypass

if both illuminate?

A

impending or actual fuel filter bypass

IF BOTH LIGHT ILLUMINATE WILL EXTINGUISH ONLY ON GROUND ENGINED SHUTDONW

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4
Q

fuel indicator works with with power ?

A

ac or dc

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5
Q

max on eng display

fuel flow

A

ff is higher than expected by fmc for 5min

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6
Q

fuel low

A

907on

1134 off

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7
Q

config

A

726 to 363 kg on ctr tnk and 2 ctr pump off

or one pump on

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8
Q

imbalance

A

more than 453 kg different
goes off on 91kg diff
inhibit if low

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9
Q

fuel disagree max

A

fmc calculeted and totalizer disagree

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10
Q

insufficient fuel

A

destination with less than 900 kg

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11
Q

ngs stops if 5

A
acft on gnd 
either eng off
fire or smoke detected cago or cabin
left pack ovht
ctr refueling valve open
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12
Q

fuel pumps powered by

A

ac

possible suction feed

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13
Q

fuel cross feed valve powered by?

A

dc power from battery bus

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14
Q

fuel shutoff valves
where are ?
powered by?

A

spar valv - eng mounting , motor dc by hot battery bus

eng fuel shutoff on engine, fuel actvated solenoid controlled powered by battery bus

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15
Q

scavenge pump

A

1 fwd pump on

bring fu l from ctr tank

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16
Q

fuel temp
where ?
powered by?

A

on tank 1

ac powered