question_answer

Consider the following statements: The thrust of rocket engine depends upon:                

1. Effective jet velocity

2. Weight of the rocket

3. Rate of propellant consumption

Of these statements:                         

A) 1 and 2 are correct   

B) 1 and 3 are correct

C) 2 and 3 are correct 

D) 1, 2 and 3 are correct