Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering Page-1 section-3

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6

1.
Melting of wax is accompanied with __________ in entropy.

A. Increase

B. Decrease

C. No change

D. None of these

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2.
Joule-Thomson co-efficient for a perfect gas is

A. Zero

B. Positive

C. Negative

D. None of these

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3.
Activity co-efficient is a measure of the

A. Departure from ideal solution behaviour

B. Departure of gas phase from idea] gas law

C. Vapour pressure of liquid

D. None of these

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4.
The main feature of Carnot refrigeration cycle is that, it

A. Does not need the addition of external work for its functioning

B. Transfers heat from high temperature to low temperature

C. Accomplishes the reverse effect of the heat engine

D. None of these

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5.
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

A. Increased COP

B. Same COP

C. Decreased COP

D. Increased or decreased COP ; depending upon the type of refrigerant

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6.
A refrigerator may be termed as a

A. Heat pump

B. Heat engine

C. Carnot engine

D. None of these

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7.
In the decomposition of PCl₅ represented by, PCl₅ ⇋ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl₅.

A. Increase

B. Decrease

C. Not alter

D. None of these

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8.
The four properties of a system viz. P, V, T, S are related by __________ equation.

A. Gibbs-Duhem

B. Gibbs-Helmholtz

C. Maxwell's

D. None of these

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9.
Melting of ice exemplifies a/an

A. Adiabatic process

B. Endothermic reaction

C. Exothermic reaction

D. Process involving a chemical reaction

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10.
Entropy change for an irreversible process taking system and surrounding together is

A. 0

B. > 0

C. < 0

D. None of these

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Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering

1. Melting of wax is accompanied with __________ in entropy.

Answer & Solution

2. Joule-Thomson co-efficient for a perfect gas is

Answer & Solution

3. Activity co-efficient is a measure of the

Answer & Solution

4. The main feature of Carnot refrigeration cycle is that, it

Answer & Solution

5. Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

Answer & Solution

6. A refrigerator may be termed as a

Answer & Solution

7. In the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl2, decrease in the pressure of the system will __________ the degree of dissociation of PCl5.

Answer & Solution

8. The four properties of a system viz. P, V, T, S are related by __________ equation.

Answer & Solution

9. Melting of ice exemplifies a/an

Answer & Solution

10. Entropy change for an irreversible process taking system and surrounding together is

Answer & Solution

Read More Section(Chemical Engineering Thermodynamics)

1.
Melting of wax is accompanied with __________ in entropy.

2.
Joule-Thomson co-efficient for a perfect gas is

3.
Activity co-efficient is a measure of the

4.
The main feature of Carnot refrigeration cycle is that, it

5.
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in

6.
A refrigerator may be termed as a

7.
In the decomposition of PCl₅ represented by, PCl₅ ⇋ PCl₃ + Cl₂, decrease in the pressure of the system will __________ the degree of dissociation of PCl₅.

8.
The four properties of a system viz. P, V, T, S are related by __________ equation.

9.
Melting of ice exemplifies a/an

10.
Entropy change for an irreversible process taking system and surrounding together is