CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

A refrigerator works on the principle of __________ law of thermodynamics.

First

Second

Zeroth

Third

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Clayperon equation deals with the

Calculation of ΔF for spontaneous phase change

Effect of an inert gas on vapour pressure

Temperature dependence of heat of phase transition

Rate of change of vapour pressure with temperature

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Clausius - Clayperon equation is applicable to __________ equilibrium processes.

Solid-vapor

Liquid-vapor

All of the listed here

Solid-liquid

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What happens in a reversible adiabatic expansion process?

Pressure is constant

Heating takes place

Temperature is constant

Cooling takes place

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Free energy

All of these

Decreases in all spontaneous (or irreversible) processes

Remains unchanged in reversible processes carried at constant temperature and pressure

Change during a spontaneous process has a negative value

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Absolute zero temperature signifies the

Minimum temperature attainable

Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in

None of these

Temperature of the heat reservoir to which a Carnot engine rejects no heat

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For an incompressible fluid, the __________ is a function of both pressure as well as temperature.

Enthalpy

Internal energy

All of these

Entropy

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Melting of ice is an example of an __________ process.

None of these

Adiabatic

Isometric

Isothermal

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The extensive properties are

Volume, mass and number of moles

Free energy, entropy and enthalpy

Both A and B

None of these

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Which of the following processes can not be made reversible even under ideal condition of operation?

Expansion of steam in a turbine

Compression of air in a compressor

Free expansion of a gas

All of these

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