Question

Choose the correct statement based on fuel weight.

(a) Fuel required is solely based on mission profile

(b) Fuel weight is independent of SFC of engine

(c) The required amount of the fuel for mission depends on aerodynamics, SFC, mission itself etc

(d) Fuel requirement is not affected by any factors

The question was asked during an interview for a job.

I'd like to ask this question from Conceptual Sketch Sizing in portion Conceptual Sketch Sizing of Aircraft Design

Answer 1

The correct choice is (c) The required amount of the fuel for mission depends on aerodynamics, SFC, mission itself etc

Easiest explanation: Total aircraft fuel requirement does not solely depend on mission profile. Fuel weight for mission depends on number of factors such as mission profile, aerodynamics, SFC of engine etc.