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Chemical Engineering Thermodynamics - Section 1 (5)

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Chemical Engineering Thermodynamics - Section 1

Fuels and Combustion is a field and there are problems available to
solve in this category. You will find the MCQs and can solve them easily.

33. 

Measurement of thermodynamic property of temperature is facilitated by __________ law of thermodynamics.

A. 1st
B. zeroth
C. 3rd
D. none of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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34. 

Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)?

A. Air cycle
B. Carnot cycle
C. Ordinary vapour compression cycle
D. Vapour compression with a reversible expansion engine

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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35. 

Which of the following is not an intensive property ?

A. Chemical potential
B. Surface tension
C. Heat capacity
D. None of these

Answer: Option C

Explanation:

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36. 

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases.

A. decreases
B. increases
C. remains same
D. decreases linearly

Answer: Option B

Explanation:

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37. 

A refrigerator may be termed as a

A. heat pump
B. heat engine
C. Carnot engine
D. none of these

Answer: Option A

Explanation:

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38. 

__________ increases with increase in pressure.

A. The melting point of wax
B. The boiling point of a liquid
C. both (a) and (b)
D. neither (a) nor (b)

Answer: Option C

Explanation:

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39. 

In a working refrigerator, the value of COP is always

A. 0
B. < 0
C. < 1
D. > 1

Answer: Option D

Explanation:

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40. 

A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect ?

A. Vapor compression cycle using expansion valve.
B. Air refrigeration cycle.
C. Vapor compression cycle using expansion engine.
D. Carnot refrigeration cycle.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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