Chemical Engineering - Fuels and Combustion

46. 

Which of the following is not a manufactured fuel ?

A. Furnace oil
B. Bagasse
C. Semi-coke
D. Kerosene

Answer: Option B

Explanation:

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47. 

Coke oven gas constitutes mainly of

A. H2 & CO
B. H2 & CH4
C. CH4 & CO
D. H2 & CO2

Answer: Option B

Explanation:

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48. 

Gross heating value of coal is __________ the net heating value.

A. higher than
B. lower than
C. same as
D. none of these

Answer: Option A

Explanation:

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49. 

Which of the following is a rich fuel gas ?

A. Producer gas.
B. Coal gas from underground gasification of coal.
C. Refinery gases.
D. None of these.

Answer: Option C

Explanation:

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50. 

Low temperature carbonisation of coal produces

A. metallurgical coke
B. soft coke
C. very low calorific value coke oven gas
D. no by-products

Answer: Option B

Explanation:

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