Only rocket engines can be propelled to space because

Question: Only rocket engines can be propelled to space because
[A].

they can generate very high thrust

[B].

they have high propulsion efficiency

[C].

these engines can work on several fuels

[D].

they are not air-breathing engines

Answer: Option D

Explanation:

No answer description available for this question.

Which of the following statement is correct relating to rocket engines ?

Question: Which of the following statement is correct relating to rocket engines ?
[A].

The combustion chamber in a rocket engine is directly analogous to the reservoir of a super sonic wind tunnel

[B].

The stagnation conditions exist at the combustion chamber

[C].

The exit velocities of exhaust gases are much higher than those in jet engine

[D].

all of the above

Answer: Option D

Explanation:

No answer description available for this question.