Chemical Engineering - Chemical Process

26. 

The biochemical treatment applied to sewage effluents is a process of

A. dehydration
B. reduction
C. oxidation
D. polymerisation

Answer: Option C

Explanation:

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27. 

Ultimate analysis of coal determines its __________ content.

A. carbon, hydrogen, nitrogen & sulphur
B. carbon, ash, sulphur & nitrogen
C. carbon, sulphur, volatile matter & ash
D. carbon, volatile matter, ash & moisture

Answer: Option C

Explanation:

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28. 

A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.).

A. 1
B. 10
C. 25
D. 40

Answer: Option B

Explanation:

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29. 

Sucrose content in cane sugar may be around __________ percent.

A. 50
B. 70
C. 80
D. 95

Answer: Option D

Explanation:

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30. 

'Hollander beater' machine used in the paper manufacturing plant does not accomplish the task of

A. final rolling out of paper.
B. cutting of fibres.
C. hydration of fibres.
D. fibrillation of fibre.

Answer: Option A

Explanation:

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