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Chemical Engineering Thermodynamics - Section 1 (6)

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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.

41. 

For a spontaneous process, free energy

A. is zero
B. increases
C. decreases whereas the entropy increases
D. and entropy both decrease

Answer: Option C

Explanation:

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

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42. 

Fundamental principle of refrigeration is based on the __________ law of thermodynamics.

A. zeroth
B. first
C. second
D. third

Answer: Option C

Explanation:

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43. 

A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

A. zero
B. positive
C. negative
D. none of these

Answer: Option C

Explanation:

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44. 

Entropy is a measure of the __________ of a system.

A. disorder
B. orderly behaviour
C. temperature changes only
D. none of these

Answer: Option A

Explanation:

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45. 

Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

A. low pressure and high temperature.
B. low pressure and low temperature.
C. high pressure and low temperature.
D. high pressure and high temperature.

Answer: Option B

Explanation:

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46. 

High __________ is an undesirable property for a good refrigerant.

A. specific heat
B. latent heat of vaporisation
C. viscosity
D. specific vapor volume

Answer: Option C

Explanation:

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47. 

Van Laar equation deals with the activity co-efficients in

A. binary solutions
B. ternary solutions
C. azeotropic mixture only
D. none of these

Answer: Option A

Explanation:

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48. 

Heating of water under atmospheric pressure is an __________ process.

A. isochoric
B. isobaric
C. adiabatic
D. isothermal

Answer: Option B

Explanation:

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

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