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LIQUEFACTION OF GASES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

LIQUEFACTION OF GASES MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS  When a gas is at a lower than its inversion temperature, cooling occurs on expansion. Thus, must bring gases below inversion temperatures before liquefaction. 1. When air expands at room temperature (a) Produce heating  (b) Cooling  produces (c) Neither heating nor cooling produces (d) None (Ans:…