Which of the following is not the type of fuel tank?

A)
Bladder
B)
Flap
C)
Integral
D)
Discrete

Correct Answer :   Flap


Explanation : There are mainly 3 types of fuel tank: discrete, bladder and integral. Flap is not type of fuel tank. Flap is a high lift device. Flap is used to increase lift produced by wings during takeoff and landing.