CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Refrigeration capacity of a household refrigerator may be round about __________ tons.

6.5

4.5

0.15

1.5

TRUE ANSWER : ?
YOUR ANSWER : ?

The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is

-ve

∞

+ve

TRUE ANSWER : ?
YOUR ANSWER : ?

The internal energy of an ideal gas does not change in a reversible __________ process.

Adiabatic

Isothermal

Isometric

Isobaric

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Second

Zeroth

First

Third

TRUE ANSWER : ?
YOUR ANSWER : ?

Compound having large heat of formation is

Not at all stable (like nascent O₂)

More stable

Less stable

Either more or less stable ; depends on the compound

TRUE ANSWER : ?
YOUR ANSWER : ?

Enthalpy of a gas depends upon its

Volume

Temperature

Mass

Pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

High __________ is an undesirable property for a good refrigerant.

Latent heat of vaporisation

Specific heat

Viscosity

Specific vapor volume

TRUE ANSWER : ?
YOUR ANSWER : ?

The extensive properties are

None of these

Volume, mass and number of moles

Free energy, entropy and enthalpy

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

During a reversible isothermal expansion of an ideal gas, the entropy change is

∞

+ve

-ve

TRUE ANSWER : ?
YOUR ANSWER : ?

The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are

1.987 & 0.66

3.987 & 1.987

5 & 3

0.66 & 1.987

TRUE ANSWER : ?
YOUR ANSWER : ?

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