11.10 Refuelling & Defuelling

Question 1

What are the two methods of refuelling

Answer 1

Gravity (overwing), pressure

Question 2

What is gravity refuelling

Answer 2

Performed with external pump and hose into wing tanks through a filler port.

Question 3

What is the normal method of refuelling aircraft

Answer 3

Pressurised refuelling

Question 4

Where can the refuel control panel be found

Answer 4

Leading edge of wing or on fuselage

Question 5

What does a coupling have to prevent damage and dirt

Answer 5

A cap

Question 6

What are the three pressure refuelling modes

Answer 6

Manual, automatic and override

Question 7

What is manual mode

Answer 7

Manually calculate the fuel and then fill it

Question 8

What is automatic mode

Answer 8

Fuel quantity computer figures out how much is required in individual tanks and automatically fuels it

Question 9

What is override mode

Answer 9

Used if no power is available

Question 10

What happens to fail safe solenoid operated refuel valves when power is disconnected

Answer 10

Valve closes

Question 11

What are the two types of defuelling

Answer 11

Pressure defuelling, and suction defuelling

Question 12

What pressure defuelling

Answer 12

Refuelled with the boost pumps 25-50 psi out of defuel valves

Question 13

What is suction defuelling

Answer 13

Fuel truck sucks fuel out of aircraft at 10-15psi

Question 14

What is the most important thing to do to an aircraft when re/defuelling an aircraft

Answer 14

Bond it