Fuel

Question 1

T/F: There is a gravity refuel port for each wing tank.

Answer 1

TRUE

Question 2

Where is the port for pressure-refueling located?

Answer 2

2 (right) engine nacelle

Question 3

T/F: There is engine fuel cross-feed capability on the aircraft.

Answer 3

FALSE, there is only transfer capability, not cross-feed capability

Question 4

T/F: Even though there is not cross-feed capability, pilots can still transfer fuel between the main tanks.

Answer 4

TRUE

Question 5

Fuel burn rate for the Q400 is measured in which of the following units?

Answer 5

Pounds Per Hour (PPH)

Question 6

Each fuel tank has how many sections?

Answer 6

3
Main tank
Surge bay
Collector bay

Question 7

T/F: The surge bay is used primarily for venting the main tank.

Answer 7

TRUE

Question 8

What is the total useable fuel in pounds?

Answer 8

11,724 lbs (5,862 lbs per tank)

Question 9

What is the maximum lateral fuel imbalance allowed between tanks in flight?

Answer 9

600 lbs

Question 10

When are the auxiliary fuel pumps required to be selected ON?

Answer 10

Takeoff & Landing
or
primary pump failure

Question 11

How many scavenge pumps are there in each wing?

Answer 11

4 in each wing

Question 12

How many scavenge pumps are there on the aircraft in total?

Answer 12

8 (4 each wing)

Question 13

T/F: The scavenge pumps are powered using motive flow.

Answer 13

TRUE

Question 14

T/F: The APU fuel shutoff valve is controlled automatically by the fire protection system.

Answer 14

TRUE

Question 15

If certain fuel information becomes invalid or unavailable, how is that indicated on the flightdeck?

Answer 15

White dashes replace digits or dials to indicated invalid/unavailable information

Question 16

If any fuel quantity computer fails, what is used to determine the fuel quantity?

Answer 16

Magnastick (magnetic dipstick) on the underside of each tank

Question 17

What quantity of fuel in the tank will cause the TANK FUEL LOW caution light to illuminate?

Answer 17

305 lbs (also changes fuel quantity pointers to amber)

Question 18

T/F: Fuel can be transferred between tanks in flight.

Answer 18

TRUE (assuming AC power is available)

Question 19

T/F: Fuel can be transferred between tanks on the ground.

Answer 19

TRUE (assuming AC power available)

Question 20

When the inlet fuel temperature is in the normal range, what color is it displayed in on the ED?

Answer 20

White

Question 21

When the inlet fuel temperature is below 0 degrees C, what color is it displayed in on the ED?

Answer 21

Amber (caution)

Question 22

When the inlet temperature is above 71 degrees C, what color is it displayed in on the ED?

Answer 22

Red (warning)

Question 23

Where is the REFUEL/DEFUEL control panel located?

Answer 23

2 (right) engine nacelle aft bottom panel

Question 24

The fuel system is able to accomplish which of the following?

Answer 24

Storing
Indicating
Venting
Feeding/scavenging
Refuel/defuel
Transfer

Question 25

Which of the following is not a component of the fuel tanks? | Answer which IS a component of the fuel tanks

Answer 25

``` Main tank Surge bay Collector bay Flapper-type check valve Note: (Auxiliary tank is NOT a component) ```

Question 26

The primary ejector pumps are powered by _____.

Answer 26

Motive flow (excess fuel not used by the FMU)

Question 27

The purpose of scavenge pumps is to _____.

Answer 27

Draw fuel from low points in the main tank and deliver it to the collector bay to ensure collector bay is full of fuel at all times

Question 28

If pilots needed to transfer fuel from Tank 2 to Tank 1, which AUX pump would be used?

Answer 28

Tank 2 Aux pump (because that is where the fuel is coming from)

Question 29

If pilots needed to transfer fuel from Tank 1 to Tank 2, which AUX pump would be used?

Answer 29

Tank 1 AUX pump (because that is where the fuel is coming from)

Question 30

T/F: With no power applied to the aircraft, the aircraft cannot be refuled.

Answer 30

FALSE, hot standby battery bus powers pressure refueling (also can do overwing refuel)