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Which is not a refrigerant?

Which is not a refrigerant?

A

SO<sub>2</sub>

B

NH<sub>3</sub>

C

CCl<sub>2</sub>F<sub>2</sub>

D

C<sub>2</sub>H<sub>4</sub>Cl<sub>2</sub>

Which is not a refrigerant? Correct Answer C<sub>2</sub>H<sub>4</sub>Cl<sub>2</sub>

Since, C₂H₄Cl₂ doesn’t meet the requirements of a good refrigerant like conductivity, specific heats etc.. It is not considered as a refrigerant.

Bissoy MCQ Team

Chemical Engineering
Chemical Engineering Thermodynamics

Related Questions

What is the ratio of the mass of refrigerant flowing through condenser and mass of refrigerant flowing through the evaporator, i.e., m2 / m1? If m1 = mass of refrigerant passing through the evaporator m2 = mass of refrigerant passing through the condenser

A

h2 – h6 / h3 – hf5

B

h1 – h6 / h1 – hf5

C

h2 – h3 / h1 – hf5

D

h2 – h4 / h1 – hf5

Which of the following of the refrigerant is used as a refrigerant in Lithium Bromide Absorption Refrigeration system?

A

Lithium Bromide

B

Hydrogen

C

Water

D

Ammonia

Which of the refrigerant is used as a refrigerant in Lithium Bromide Absorption Refrigeration system?

A

Ammonia

B

Water

C

Hydrogen

D

Lithium Bromide

R – 717 is the refrigerant number of which of the following refrigerant?

A

Ammonia

B

Water

C

Carbon dioxide

D

Sulphur dioxide

The difference between the saturation temperature T3 of liquid refrigerant at pressure p3 = p2 and the actual temperature of liquid refrigerant T3′ is called?

A

Degree of freedom

B

Degree of subcooling

C

Degree of superheating

D

Degree of condensation

What is the ratio of the mass of refrigerant supplied to evaporator and mass of refrigerant circulating through condenser i.e., m1 / m2?

A

h1 – h2 / h1 – h4

B

h1 – h4 / h1 – hf4’

C

h2 – h1 / h4 – h1

D

h1 – hf4’ / h1 – h4

What is the ratio of the mass of the vapour refrigerant and mass of the liquid refrigerant i.e., m1 / m2?

A

1

B

h1 − h4 / h1’ − hf4’

C

0

D

h1’ − hf4’ / h1 − h4

What is the ratio of the mass of liquid refrigerant passing through the condenser and mass of liquid refrigerant supplied to the heat exchanger i.e., m3 / m2?

A

h1 − h2 / h1 − h4

B

h1 − h4 / h1’ − hf4’

C

hf3 − hf3’ / h1 − hf4’

D

h1 − hf4’ / hf3 − hf3’

What is the ratio of the mass of the vapor refrigerant and mass of the liquid refrigerant i.e., m1 / m2?

A

1

B

h1 – h4 / h1’ – hf4’

C

0

D

h1’ – hf4’ / h1 – h4

What is the relation between m1, m2, and m3? If m1 = mass of refrigerant passing through the evaporator m2 = mass of refrigerant passing through the condenser m3 = mass of liquid evaporated in the intercooler

A

m3 = m1 + m2

B

m3 = m1 – m2

C

m3 = m2 – m1

D

m3 = m1 / m2

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