Question 382, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Aircraft
Impossible Without Causing The Apu To Stop.
Possible with 'CROSSFEED' open and tank 1 pumps 'OFF' and tank 2 pumps 'ON'.
Impossible because there is no fuel in centre tank.
Possible With 'crossfeed' Open And Tank 2 Pumps 'off'.