Question

In aircrafts, the cabin altitude during flight is kept above sea level so as to reduce stress on the pressurized part of the _________

(a) Engines

(b) Wings

(c) Fuselage

(d) Tail

The question was asked in an international level competition.

I would like to ask this question from Aircraft Systems and Aviation in chapter Aircraft Systems and Aviation Overview of Aircraft Maintenance

Answer 1

Correct option is (c) Fuselage

To explain: In aircrafts, the cabin altitude during flight is kept above sea level so as to reduce stress on the pressurized part of the fuselage. The stress is directly proportional to the difference in pressure inside and outside the aircraft cabin.