CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Change of state namely evaportation condensation, freezing and melting is an __________ process.

Isobaric

Isothermal

Isochoric

Adiabatic

TRUE ANSWER : ?
YOUR ANSWER : ?

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

3rd

Zeroth

1st

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the

Two temperatures only

Pressure of working fluid

Mass and pressure both of the working fluid

Mass of the working fluid

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

5

6

4

3

TRUE ANSWER : ?
YOUR ANSWER : ?

Ideal gas law is applicable at

Low T, high P

High T, low P

High T, high P

Low T, low P

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of an __________ process, the temperature of the system increases.

Isothermal expansion

Adiabatic compression

Isothermal compression

Adiabatic expansion

TRUE ANSWER : ?
YOUR ANSWER : ?

For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would

Both B and C

Give higher yield of NH₃

Shift the equilibrium towards right

Neither A nor B

TRUE ANSWER : ?
YOUR ANSWER : ?

For an exothremic reaction

Enthalpy change is zero

Only internal energy change (ΔE) is negative

Both ΔH and ΔE are negative

Only enthalpy change (ΔH) is negative

TRUE ANSWER : ?
YOUR ANSWER : ?

Cv for an ideal gas

Is independent of both pressure and volume

Does not depend upon temperature

Is independent of pressure only

Is independent of volume only

TRUE ANSWER : ?
YOUR ANSWER : ?

The absolute entropy for all crystalline substances at absolute zero temperature is

Negative

Indeterminate

More than zero

Zero

TRUE ANSWER : ?
YOUR ANSWER : ?

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