A fuel cross-feed valve is usually in

• A. the closed position.

• B. the open position.

• C. its last position.

• D. on position.

The primary purpose of an aircraft's fuel jettison system is to quickly achieve a:

• lower landing weight.

• balanced fuel load.

• reduced fire hazard.

• all of above.

Integral tanks are

• cavities within the aircraft’s airframe itself

• external tanks needs to be fabricated.

• external tanks required to put in the airframe

• there is no such type of fuel tank.

When refueling

• the fuel nozzle will automatically cut off the supply when the tank is full

• the fuel nozzle will manually cut off by pilot.

• it is important to fill the expansion space in the tank

• it is important not to fill the expansion space in the tank

Microbial growth is.

• red dots

• brown black slime

• green sludge

• yellow dots

A zero fuel test on a fuel quantity indicating system is carried out with.

• tanks completely full.

• tanks with unusable fuel

• tanks empty apart from unusable fuel.

• tanks completely empty.

On large transport aircraft fuel is delivered to each engine using

• a parallel system.

• a series system.

• a separate system for each engine.

• the same system for each engine.

In biologically contaminated fuel, corrosion takes place

• below the fungal colonies.

• the top of the tank.

• the bottom 2 inches of the tank.

• the side of the tank.

Cross feed valves permit fuel transfer from

• tank to tank.

• left tank to right tank.

• any tank to any engine

• none all above

The purpose of a scavenge system within a fuel system is

• to ensure that all unused fuel is returned to the tanks efficiently.

• To prevent water flows to fuel tank

• to ensure that any water in the fuel is constantly dispersed thus reducing microbiological contamination.

• to ensure that all available fuel can be used