Day 11 - Fuel System

Question 1

The fuel system is designed to operate between __ and __ feet

Answer 1

Sea level, 41,000 feet

Question 2

The fuel system is designed to operate within what temperature range

Answer 2

-40 C to 50 C

Question 3

T/F - Do not reset a popped fuel system circuit breaker

Answer 3

TRUE

Question 4

Describe the fuel flow sequence throughout the fuel tanks

Answer 4

Aft cabin => aft fuselage => right mid => left mid => wing tanks

Question 5

The capacity of the fuel feed chamber is

Answer 5

20 gallons

Question 6

Name the four types of pumps in the fuel system

Answer 6

Electric boost, electric transfer, jet, and engine driven pumps

Question 7

State the four purposes of the boost pumps

Answer 7

Engine start, backup for primary jet pumps, source of pressure for transfer pumps, crossfeed

Question 8

In the automatic mode, the boost pump will operate when

Answer 8

Fuel feed line pressure drops below 5 psi, fuel feed chamber falls below 11 gallons, engine starting is selected, crossfeed is selected

Question 9

Where are the electric transfer pumps located and what do they do

Answer 9

In each mid tank, transfer fuel to wing tanks

Question 10

How is fuel transferred through the jet pumps

Answer 10

Motive flow

Question 11

What is the total capacity of the fuel system if pressure refueled

Answer 11

771 gallons/5166 pounds

Question 12

What is the total capacity of the fuel system if gravity refueled

Answer 12

739 gallons/4951 pounds

Question 13

What do the sniffle valves vent

Answer 13

Both fuel and air

Question 14

What do the float check valves vent

Answer 14

Air

Question 15

What is the purpose of the pressure relief valves

Answer 15

Provide overpressure protection during single point refueling

Question 16

Sniffle valves pull air inward if an internal vacuum greater than __ to __ psi occurs

Answer 16

0.1, 0.3

Question 17

Sniffle valves dumps fuel overboard at pressure greater than __ psi

Answer 17

5

Question 18

What is the purpose of the flapper valves

Answer 18

To allow fuel to flow in one direction

Question 19

Name the two methods of refueling the T-1

Answer 19

Gravity and single point pressure refueling

Question 20

How is gravity refueling accomplished

Answer 20

Through three filler ports located in each wing and aft fuselage

Question 21

T/F - Crossfeed supplies fuel to a single engine from both wing tanks simultaneously

Answer 21

FALSE

Question 22

If the fuel indicators fail, they will display

Answer 22

Below zero

Question 23

T/F - In the event of an EFC failure, engine spool up time will be decreased

Answer 23

FALSE

Question 24

T/F - Crossfeed must not be used for final approach or landing

Answer 24

TRUE

Question 25

The F FLTR BYPASS annunciator means

Answer 25

Unfiltered fuel is being supplied to the engine

Question 26

When does the FUEL PRESS LO annunciator illuminate

Answer 26

Fuel pressure below 5 +/- 0.5 psi

Question 27

When does the FUEL FEED annunciator illuminate

Answer 27

Fuel feed chamber less than 70 lbs/11 gallons

Question 28

When does the FUEL LEVEL LO annunciator illuminate

Answer 28

Wing tank has 200 lbs (32 gallons) or less

Question 29

When does the WG TK OV PRESS annunciator illuminate

Answer 29

Wing tank pressure in excress of 3.5 +/- 0.5 psi

Question 30

When does the F XFR PRESS LO annunciator illuminate

Answer 30

Fuel transfer line pressure below 5 +/- 0.5 psi