Chemical Engineering Thermodynamics MCQs

Question 1

Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.

Accepted Answer

Energy transformation from one form to the another

Answer

Reaction mechanism

Answer

Calculation of rates

Answer

None of these

Question 2

A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature.

Accepted Answer

Less than or equal to

Answer

Less than

Answer

More than

Answer

Equal to or higher than

Question 3

In case of a close thermodynamic system, there is __________ across the boundaries.

Accepted Answer

No mass transfer but heat transfer

Answer

No heat and mass transfer

Answer

Mass and energy transfer

Answer

None of these

Question 4

Clausius - Clayperon equation is applicable to __________ equilibrium processes.

Accepted Answer

All of the above

Answer

Solid-vapor

Answer

Solid-liquid

Answer

Liquid-vapor

Question 5

In any spontaneous process, the __________ free energy decreases.

Accepted Answer

Both A & B

Answer

Helmholtz

Answer

Gibbs

Answer

Neither A nor B

Question 6

Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.

Accepted Answer

Below

Answer

At

Answer

Above

Answer

Either B or C

Question 7

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

Accepted Answer

Second

Answer

Zeroth

Answer

First

Answer

Third

Question 8

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

Accepted Answer

Zeroth

Answer

1st

Answer

3rd

Answer

None of these

Question 9

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

Accepted Answer

Second

Answer

Zeroth

Answer

First

Answer

Third