Question
General Knowledge Question on Science Technology and Inventions
Cryogenic engines are used in
A
Atomic reactors
B
Rockets
C
Defrost Refrigerators
D
Doing research connected with superconductivity
Answer
Rockets
Explanation
Solution
The correct option is (B): Rockets
Explanation: Cryogenic engines are primarily used in rockets, as they rely on extremely low temperatures to liquefy propellants like oxygen and hydrogen, enabling efficient propulsion for space exploration.