CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Work done in case of free expansion is

None of these

Zero

Indeterminate

Negative

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is affected by the temperature?

Free energy

Activity co-efficient

All of these

Fugacity

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following has the least thermal efficiency?

Carnot engine

Otto engine

Steam engine

Diesel engine

TRUE ANSWER : ?
YOUR ANSWER : ?

Number of phases in a colloidal system are

4

2

1

3

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ law of thermodynamics ascertains the direction of a particular spontaneous process.

First

Third

Second

Zeroth

TRUE ANSWER : ?
YOUR ANSWER : ?

If atmospheric temperature and dew point are nearly equal, then the relative humidity is

Zero

Almost 100%

50%

Unpredictable

TRUE ANSWER : ?
YOUR ANSWER : ?

With increase in temperature, the atomic heat capacities of all solid elements

Remains unchanged

Decreases

Increases

Decreases linearly

TRUE ANSWER : ?
YOUR ANSWER : ?

Gibbs free energy per mole for a pure substance is equal to the

Molal boiling point

Heat capacity

Latent heat of vaporisation

Chemical potential

TRUE ANSWER : ?
YOUR ANSWER : ?

The equation, PV = nRT, is best obeyed by gases at

None of these

Low pressure & high temperature

Low pressure & low temperature

High pressure & low temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole.

72

142

192

92

TRUE ANSWER : ?
YOUR ANSWER : ?

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