Question

Find lift to weight ratio if climb angle is 45°.

(a) 0.707

(b) 1

(c) 1.34

(d) 0.992

This question was addressed to me during an interview.

The above asked question is from Flight Mechanics in portion Performance and Flight Mechanics of Aircraft Design

Answer 1

Right option is (a) 0.707

To elaborate: Lift to weight ratio = cos(climb angle) = cos(45°) = 0.707.