Fuel System Flashcards

1
Q

How many fuel cells are there and where are they?

A

4, under the cabin floor

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2
Q

Name the 4 fuel cells

A

Left supply cell
Right supply cell
Forward main tank
Aft main tank

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3
Q

Where are the prime pumps?

A

In the supply tanks

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4
Q

How many fuel quantity transmitters are there?

A

5 (one in each supply tank, two in the forward main tank and one in the aft main tank)

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5
Q

What is the purpose of the Prime Pumps?

A

Purge air from the fuel feed system

Supply fuel to the engines for starting

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6
Q

When do you turn off the transfer pumps?

A

Leave both running until both the main tanks are empty and the supply tanks start to empty.

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7
Q

How is the fuel heated?

A

By engine oil via the Heat Exchanger

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8
Q

When do you get a FUEL FILTER advisory?

A

On ground, engines off, when EECU detects a preset increase in differential pressure before and after the fuel filter.

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9
Q

When do you get a FUEL FILTER caution?

A

When fuel is being supplied to the engine via the bypass.

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10
Q

Where does the engine get fuel during engine start?

A

Through Start Injectors

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11
Q

Where does engine get fuel after engine start?

A

Through the Centrifugal Injection Wheel

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12
Q

Can anit-icing additives be added to pre-blended fuels?

A

No

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13
Q

When does the “LOW FUEL” warning come on?

A

Below 26kg

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14
Q
A
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