CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c.

50

100

200

205

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following equations is used for the prediction of activity co-efficient from experiments?

Margules equation

Wilson's equation

Van Laar equation

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Entropy of an ideal gas depends upon its

Pressure

Temperature

Neither A nor B

Both A & B

TRUE ANSWER : ?
YOUR ANSWER : ?

For a reversible process involving only pressure-volume work

(dF)T, p < 0

(dA)T, v < 0

(dF)T, p = 0

(dF)T, p > 0

TRUE ANSWER : ?
YOUR ANSWER : ?

A refrigeration cycle is the same as a __________ cycle,

Reversed heat engine

None of these

Heat engine

Turbine

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Chemical potential

Molal boiling point

Latent heat of vaporisation

Heat capacity

TRUE ANSWER : ?
YOUR ANSWER : ?

A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system are

6

4

3

5

TRUE ANSWER : ?
YOUR ANSWER : ?

If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as

Solubility increases as temperature increases

Solubility is independent of temperature

Solubility increases as temperature decreases

Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution

TRUE ANSWER : ?
YOUR ANSWER : ?

The heat capacities for the ideal gas state depend upon the

Pressure

Both A & B

Temperature

Neither A nor B

TRUE ANSWER : ?
YOUR ANSWER : ?

Cv is given by

(∂E/∂V)T

(∂E/∂P)V

(∂E/∂T)V

(∂V/∂T)P

TRUE ANSWER : ?
YOUR ANSWER : ?

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