Lakshya Education MCQs

Question: Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.
Options:
A.Below
B.At
C.Above
D.Either B or C
Answer: Option A

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More Questions on This Topic :

Question 1. Fundamental principle of refrigeration is based on the __________ law of thermodynamics.
  1.    Zeroth
  2.    First
  3.    Second
  4.    Third
Answer: Option C
Question 2. Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.
  1.    1st
  2.    Zeroth
  3.    3rd
  4.    None of these
Answer: Option B
Question 3. A refrigerator works on the principle of __________ law of thermodynamics.
  1.    Zeroth
  2.    First
  3.    Second
  4.    Third
Answer: Option C
Question 4. In any spontaneous process, the __________ free energy decreases.
  1.    Helmholtz
  2.    Gibbs
  3.    Both A & B
  4.    Neither A nor B
Answer: Option C
Question 5. Clausius - Clayperon equation is applicable to __________ equilibrium processes.
  1.    Solid-vapor
  2.    Solid-liquid
  3.    Liquid-vapor
  4.    All of the above
Answer: Option D
Question 6. In case of a close thermodynamic system, there is __________ across the boundaries.
  1.    No heat and mass transfer
  2.    No mass transfer but heat transfer
  3.    Mass and energy transfer
  4.    None of these
Answer: Option B

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