Chemical Engineering Thermodynamics MCQ Question with Answer

Chemical Engineering Thermodynamics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Pick out the wrong statement.

Trouton's ratio of non-polar liquids is calculated using Kistyakowsky equation

Thermal efficiency of a Carnot engine is always less than 1

An equation relating pressure, volume and temperature of a gas is called ideal gas equation

None of these

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Question No : 9
Which of the following will increase the volume of a real gas by four times?

Doubling the absolute temperature as well as pressure of the gas

Reducing pressure to one fourth at constant temperature

Reducing temperature to one fourth at constant pressure

Reducing the temperature to half and doubling the pressure

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Question No : 10
Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are

Always greater than one

Same at the same reduced temperature

Same at the same reduced pressure

Both (B) & (C)

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Question No : 11
Claude's liquefaction process employs the cooling of gases by

Expansion in an engine

Following a constant pressure cycle

Throttling

None of these

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Question No : 12
The most important application of distribution law is in

Evaporation

Liquid extraction

Drying

Distillation

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Question No : 13
When a gas in a vessel expands, its internal energy decreases. The process involved is

Reversible

Irreversible

Isothermal

Adiabatic

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Question No : 14
The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for

Expansion of a real gas

Reversible isothermal volume change

Heating of an ideal gas

Cooling of a real gas

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Exam Name	No. Of Q	Link
Chemistry set 1	30	Start
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