Fuel

Question 1

Fuel is availabe to the engines from _______

Answer 1

all three tanks

Question 2

How does the APU draw fuel from a tank

Answer 2

APU w/AC power: left side of fuel manifold

APU w/out AC power: No 1 tank suction feed

Question 3

Center tank pressures are slightly higher output and therefore consumed

Answer 3

first

Question 4

Check valves in the fuel system ensure?

Answer 4

correct fuel flow between tank and engine

prevent inadvertent transfer of fuel between tanks

Question 5

What do Dim blue, Dark Blue and extingushed mean for the ENG VALVE CLOSED and SPAR VALVE CLOSED ?

Answer 5

Dim blue: valve is closed
Extinguished: valve is open
Bright blue: valve is in transit or in disagreement with commanded position.

Question 6

The crossfeed valve is _____operated.

Answer 6

DC operated

Question 7

Fuel temperature in main tank # ____ is displayed in the overhead panel if AC power is available.

Answer 7

1

Question 8

Fuel tank capacities:

Answer 8

1: 8630
2: 8630
Center: 28,803
Total: 46,063

Question 9

There are 2 ______ fuel pumps in each of the three tanks.

Answer 9

AC powered.

Question 10

Fuel is normally pressure fed , but each engine can draw fuel from its corresponding main tank through a _______ line should both pumps fail.

Answer 10

suction fed. Suction feed is not possible from the center tank.

Question 11

Engine fuel shutoff valves are ________controled valves

Answer 11

fuel actuated, solenoid controled

Question 12

With more than ______ pounds of fuel in the center tank, the L and CTR FUEL PUMPS switches must be turned on.

Answer 12

1000.

Question 13

In climb or cruise, when a CTR tank LOW PRESSURE light illuminates, select the pump_____.

Answer 13

Off.

Question 14

If an engine is operating on suction feed, dissolved air from the fuel is released as the airplane ______ and may collect and thrust deterioration and ______ may result.

Answer 14

climbs; flameout.

Question 15

When will you get a CONFIG fuel alert?

Answer 15

Center tank fuel greater than 1600 lbs, both CTR FUEL PUMPS switches are OFF and either engine is running.
Some a/c will also display the message with both CTR FUEL PUMPS switches on, along with low output pressure.

Question 16

If only one center tank FUEL PUMP PRESSURE light comes on in flight, the _______ selector should be opened to prevent a fuel imbalance.

Answer 16

CROSS FEED

Question 17

Always maintain fuel temperature at least ____above the fuel freezing point of the fuel being used.

Answer 17

3C. You may need to speed up, change altitude or deviate to warmer air masses.

Question 18

When does a fuel LOW indicator appear on the fuel gauge for main tanks?

Answer 18

less than 2000 lbs.

Question 19

In some aircraft, NEA is delivered to the _______ to reduce flammability.

Answer 19

center fuel tank

Question 20

Where is the NEA indicator panel?

Answer 20

right main wheel well.Operation is automatic and transparent to the crew.

Question 21

If NEA indicator shows inoperative, MEL will probably do what?

Answer 21

Allow the flight for dispatch.