Small M and B Q
I would be most grateful for your suggestions as to the correct answer for the below. I guess the only candidates are a) or d) but being somewhat dim I can't differentiate.
Thank you in advance for your help.
The zero fuel mass of an aeroplane is always:
a) The maximum take-off mass minus the take-off fuel mass.
b) The take-off mass minus the fuselage fuel mass.
c) The take-off mass minus the wing fuel mass.
d) The take-off mass minus the take-off fuel mass.