Online GK Series

This site is dedicated to the aspirants of competitive exams SSC, UPSC, Railways, Postal Assistants, Bank, GATE and NET

Get Attractive Job

Q.

Cryogenic engines find application is:

A frost-free refrigerators
B sub-marine propulsion
C rocket technology
D research in superconductivity
Answer & Explanation
Option: [C]

Your Valuable Comments Please...

Important EBooks for Competitive Exams

VIEW ALL