Chemical Engineering - Chemical Engineering Basics

26. 

The term 'Value' in value engineering technique refers to the __________ cost of the product.

A. function (utility)
B. selling
C. production
D. total

Answer: Option A

Explanation:

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27. 

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C
B. °F
C. °K
D. °R

Answer: Option B

Explanation:

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28. 

The entropy change for a spontaneous process is

A. > 0 for the system.
B. < 0 for the system.
C. > 0 for the system & the surrounding.
D. < 0 for the system & the surrounding.

Answer: Option D

Explanation:

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29. 

Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

A. saponification
B. acid
C. precipitation
D. emulsion

Answer: Option A

Explanation:

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30. 

Pick out the wrong statement about a fast breeder reactor.

A. uses molten sodium as moderator.
B. converts fertile fuel into fissile fuel.
C. requires highly enriched fuel.
D. produces more fuel than it consumes.

Answer: Option A

Explanation:

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