Fuel systems

Question 1

What is the purpose of a dump system

Answer 1

Reduce weight to landing weight

Question 2

When would a jettison system be required on small aircraft?

Answer 2

Take off weight is higher than landing weight

Question 3

Why is there two separate independent systems for each wing?

Answer 3

Lateral stability

Question 4

What are two types of fuel cells?

Answer 4

Bladder and integral

Question 5

What supports the weight of fuel in a bladder?

Answer 5

Structure of the cavity

Question 6

What is wet wing?

Answer 6

Integral

Question 7

Purpose of a temp indicator in turban fuel cells?

Answer 7

Determine danger of ice crystals

Question 8

Purpose of crossfeed

Answer 8

Fuel can be fed from various tanks to any engine

Question 9

Positions on fuel selector valve?

Answer 9

Crossfeed, transfer, on, off

Question 10

Drip gauges and sight gages? 

Answer 10

Underwing, bayonet type gauges

Question 11

Shut off valve transit light?

Answer 11

Indicate when valve is in motion

Question 12

What is pressure fueling also referred to as?

Answer 12

Underwing, single point

Question 13

Advantages of single point?

Answer 13

Reduces fueling time and Chances of contamination, eliminates skin damage

Question 14

How to check for leaks for fuel system?

Answer 14

Half PSI of air, soap, and water

Question 15

Old gaskets and seals

Answer 15

Replace with new

Question 16

What type of leak may not be visible outside?

Answer 16

Internal leaks in valves

Question 17

Four types of fuel indicators?

Answer 17

Site glass, mechanical, electrical, electronic

Question 18

Why are electronic more accurate?

Answer 18

Measures by weight, not gallons

Question 19

Purpose of baffles?

Answer 19

Resist fuel surging

Question 20

Why wait after fueling to check for water?

Answer 20

Allow time for water to settle