Multiple choice

Cryogenic engines are used for running which of the following programmes?

  1. Operation Flood

  2. Atomic Energy Programme

  3. Space Programme

  4. Operation Research Programme

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cryogenic engines use extremely low temperatures to liquefy gases like oxygen and hydrogen, which are essential as propellants in rocket engines for space exploration. They are not used in Operation Flood (dairy), Atomic Energy, or Operation Research programmes.