CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

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

No mass transfer but heat transfer

None of these

Mass and energy transfer

No heat and mass transfer

TRUE ANSWER : ?
YOUR ANSWER : ?

Clausius - Clayperon equation is applicable to __________ equilibrium processes.

All of the listed here

Liquid-vapor

Solid-vapor

Solid-liquid

TRUE ANSWER : ?
YOUR ANSWER : ?

In any spontaneous process, the __________ free energy decreases.

Helmholtz

Both of the listed here

Neither A nor B

Gibbs

TRUE ANSWER : ?
YOUR ANSWER : ?

Activity co-efficient is a measure of the

None of these

Vapour pressure of liquid

Departure of gas phase from idea] gas law

Departure from ideal solution behaviour

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Below

Either B or C

Above

At

TRUE ANSWER : ?
YOUR ANSWER : ?

First law of thermodynamics deals with the

Irreversible processes only

None of these

Reversible processes only

Direction of energy transfer

TRUE ANSWER : ?
YOUR ANSWER : ?

At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is

One

Zero

Infinity

Negative

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Zeroth

Second

Third

First

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Remains unchanged

Increases

Decreases

Decreases linearly

TRUE ANSWER : ?
YOUR ANSWER : ?

Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is

(T₁ - T₂)/T₁

T₁/(T₁ - T₂)

T₂/(T₁ - T₂)

(T₁ - T₂)/T₂

TRUE ANSWER : ?
YOUR ANSWER : ?

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