Chemical Engineering - Chemical Engineering Thermodynamics

31. 

Linde gas liquefaction process employs cooling

A. by throttling
B. by expansion in an engine
C. at constant pressure
D. none of these

Answer: Option A

Explanation:

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32. 

Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2.Degree of dissociation of PCl5 will

A. decrease on addition of Cl2.
B. increase on addition of an inert gas at constant pressure.
C. decrease on increasing the pressure of the system.
D. none of these

Answer: Option D

Explanation:

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33. 

Joule-Thomson experiment is

A. isobaric
B. adiabatic
C. isenthalpic
D. both(b) & (c)

Answer: Option D

Explanation:

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34. 

Boyle's law for gases states that

A. , when temperature is constant.
B. , when temperature & mass of the gas remain constant.
C. P ∝ V, at constant temperature & mass of the gas.
D. = constant, for any gas.

Answer: Option B

Explanation:

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35. 

1st law of thermodynamics is nothing but the law of conservation of

A. momentum
B. mass
C. energy
D. none of these

Answer: Option C

Explanation:

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