CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Heat of formation of an element in its standard state is

> 0

A function of pressure

< 0

TRUE ANSWER : ?
YOUR ANSWER : ?

When pressure is applied on the system, ice ⟷ water, then

More water will be formed

More ice will be formed

Evaporation of water will take place

Equilibrium can not be established

TRUE ANSWER : ?
YOUR ANSWER : ?

A Carnot cycle consists of the following steps :

Two isochorics and two isobarics

Two isothermals and two isentropics

Two isobarics and two isothermals

Two isothermals and two isochorics

TRUE ANSWER : ?
YOUR ANSWER : ?

During adiabatic expansion of gas

Pressure remains constant

Pressure is increased

None of these

Temperature remains constant

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is

1.66

1

1.44

TRUE ANSWER : ?
YOUR ANSWER : ?

Which law of the thermodynamics provids basis for measuring the thermodynamic property?

Second law

Zeroth law

Third law

First law

TRUE ANSWER : ?
YOUR ANSWER : ?

Van Laar equation deals with the activity co-efficients in

None of these

Ternary solutions

Binary solutions

Azeotropic mixture only

TRUE ANSWER : ?
YOUR ANSWER : ?

Free energy change of mixing two liquid substances is a function of the

All of these

Quantities of the constituents only

Concentration of the constituents only

Temperature only

TRUE ANSWER : ?
YOUR ANSWER : ?

The standard Gibbs free energy change of a reaction depends on the equilibrium

All of these

Temperature

Composition

Pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Either B or C

Below

At

Above

TRUE ANSWER : ?
YOUR ANSWER : ?

↑