Question:-
The relative jet exit velocity from a rocket is 2700 m/s. The forward flight velocity is 1350 m/s. What is the propulsive efficiency of the unit?
Option (A)
90%.
Option (B)
66 .66%
Option(C)
50%
Option(D)
33.33%
Correct Option:
(C)
question-answer-faq-9661