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Railways PYQCBT 1 2016

RRB NTPC · Question 32

Cryogenic refers to ______. A. Low temperature B. High temperature C. Low pressure D. High pressure

  1. B

  2. D

  3. A

  4. C

Show answer & explanation

Answer: (C) A

Explanation

Cryogenics is the science of very low temperatures (below about −150 °C), used for example in cryogenic rocket engines with liquid hydrogen and oxygen.