CHEMICAL ENGINEERING THERMODYNAMICS QUIZ

Which of the following is not a common refrigerant?

Carbon dioxide

Ethylene

Ammonia

Freon-12

TRUE ANSWER : ?
YOUR ANSWER : ?

The temperature at the eutectic point of the system is the __________ temperature that can be attained in the system.

Lowest

None of these

Highest

Average

TRUE ANSWER : ?
YOUR ANSWER : ?

Charles' law for gases states that

V ∝ 1/P

V ∝ 1/T

V/T = Constant

PV/T = Constant

TRUE ANSWER : ?
YOUR ANSWER : ?

The most important application of distribution law is in

Evaporation

Liquid extraction

Distillation

Drying

TRUE ANSWER : ?
YOUR ANSWER : ?

A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c.

2.73

273

28.3

283

TRUE ANSWER : ?
YOUR ANSWER : ?

For any system, what is the minimum number of degrees of freedom?

0

1

3

2

TRUE ANSWER : ?
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Cp - Cv = R is valid for __________ gases.

Very low temperature

Very high pressure

Ideal

All

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is an example of closed system?

None of these

Boiler

Liquid cooling system of an automobile

Air compressor

TRUE ANSWER : ?
YOUR ANSWER : ?

During adiabatic expansion of gas

None of these

Pressure is increased

Temperature remains constant

Pressure remains constant

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat of reaction at constant volume is identified with __________ change.

Neither A nor B

Either A or B

Enthalpy

Internal energy

TRUE ANSWER : ?
YOUR ANSWER : ?

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