CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

__________ increases with increase in pressure.

Both A and B

The melting point of wax

Neither A nor B

The boiling point of a liquid

TRUE ANSWER : ?
YOUR ANSWER : ?

In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

Both A and B

Neither A nor B

Low temperature

High pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ?

Expansion valve

Condenser

Compressor

Refrigerator

TRUE ANSWER : ?
YOUR ANSWER : ?

A nozzle is a device, which

Increases both kinetic energy and pressure

Increases kinetic energy and decreases pressure

Reduces kinetic energy and increases pressure

Reduces both kinetic energy and pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is true for a throttling process?

The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

The inversion temperature is different for different gases

The inversion temperature is same for all gases

A gas may have more than one inversion temperatures

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical potential is a/an

Both B and C

Intensive property

Force which drives the chemical system to equilibrium

Extensive property

TRUE ANSWER : ?
YOUR ANSWER : ?

In a working refrigerator, the value of COP is always

> 1

< 1

< 0

TRUE ANSWER : ?
YOUR ANSWER : ?

The total change in the enthalpy of a system is independent of the

Number of intermediate chemical reactions involved

Pressure and temperature

None of these

State of combination and aggregation in the beginning and at the end of the reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Indeterminate

Negative

More than zero

Zero

TRUE ANSWER : ?
YOUR ANSWER : ?

The number of degrees of freedom at the triple point of water is

Zero

2

3

1

TRUE ANSWER : ?
YOUR ANSWER : ?