A) Rockets
B) Aeroplanes
C) Refrigerators
D) Sub-marines
Correct Answer: A
Solution :
A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer, that is, its fuel or oxidizer (or both) are gases liquefied and stored at very low temperatures.You need to login to perform this action.
You will be redirected in
3 sec