Type training · Boeing 777 B1.1 · ATA 28
Boeing 777 B1.1: Fuel (ATA 28)Type training questions & answers
Vent, refuel and defuel, spar and crossfeed valves, jettison, FQIS and water drains.
- A worked explanation on every question
- Written for the 777-200/-200ER with GE90, PW4084 or Trent 800 engines
- Read in English or 15 other languages
Sample Fuel questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.What is the purpose of the fuel vent system?
- A.Keeping flames out of the fuel tanks
- B.Keeping tank pressure near ambient
- C.Returning vent fuel to the main tanks
Show answer and explanation
Correct answer: B. Keeping tank pressure near ambient
The vent system keeps fuel tank pressure close to outside air pressure. Ref AMM 28-10-00.
2.What controls the 777 pressure refuel system?
- A.ELMS alone
- B.The FQPU and ELMS
- C.The FQPU alone
Show answer and explanation
Correct answer: B. The FQPU and ELMS
The fuel quantity processor unit and ELMS together control pressure refuelling. Ref AMM 28-21-00.
3.What supplies the power to open and close the refuel valves?
- A.ELMS
- B.The integrated refuel panel
- C.The FQPU
Show answer and explanation
Correct answer: A. ELMS
ELMS supplies the valve power. Ref AMM 28-21-00.
Part of the Boeing 777 B1.1 type course
One chapter of the Boeing 777 B1.1 type course question bank, for the 777-200/-200ER with GE90, PW4084 or Trent 800 engines, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.
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