Chemical Engineering - Fuels and Combustion

31. 

Volatile matter content of metallurgical coke may be around __________ percent.

A. 1-2
B. 10-15
C. 22-26
D. 30-33

Answer: Option A

Explanation:

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32. 

Calorific value of bituminous coal may be around __________ Kcal/kg.

A. 500
B. 1500
C. 6500
D. 20000

Answer: Option C

Explanation:

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33. 

Gobar gas is produced by the __________ of cown dung.

A. fermentation
B. oxidation
C. hydrogenation
D. none of these

Answer: Option A

Explanation:

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34. 

In Orsat's apparatus, ammoniacal cuprous chloride is used for selectivity absorbing

A. CO
B. CO2
C. O2
D. H2O

Answer: Option A

Explanation:

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35. 

Which of the following is not a manufactured fuel ?

A. Coke breeze
B. Soft coke
C. Colloidal fuels
D. Charcoal

Answer: Option A

Explanation:

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