CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of

T

T and P

T, P and Z

T and Z

TRUE ANSWER : ?
YOUR ANSWER : ?

The kinetic energy of gas molecule is zero at

100°C

273°C

0°C

-273°C

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is true for Virial equation of state?

Virial co-efficients

Virial co-efficients are universal constants

For some gases, Virial equations and ideal gas equations are the same

Virial co-efficients are function of temperature only

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following exemplifies an adiabatic process?

Condensation of alcohol vapor

Melting of ice

Evaporation of water

Sudden bursting of a cycle tube

TRUE ANSWER : ?
YOUR ANSWER : ?

In a turbine, the fluid expands almost

Isobarically

Isothermally

None of these

Adiabatically

TRUE ANSWER : ?
YOUR ANSWER : ?

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are

Both B & C

Same at the same reduced pressure

Same at the same reduced temperature

Always greater than one

TRUE ANSWER : ?
YOUR ANSWER : ?

A refrigerator works on the principle of __________ law of thermodynamics.

Zeroth

First

Second

Third

TRUE ANSWER : ?
YOUR ANSWER : ?

Entropy change for an irreversible isolated system is

∞

> 0

< 0

TRUE ANSWER : ?
YOUR ANSWER : ?

In a working refrigerator, the value of COP is always

< 1

< 0

> 1

TRUE ANSWER : ?
YOUR ANSWER : ?

For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ⟷ C₂H₅OH(g), the equilibrium conversion does not depend on the

None of these

Pressure

Steam to ethylene ratio

Temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

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