Chemical Engineering - Fuels and Combustion

1. 

Sulphur in metallurgical coal

A. contributes to its heating value.
B. affects the quality of steel produced as cracks develop on the surface while rolling the steel.
C. both (a) and (b).
D. neither (a) nor (b).

Answer: Option C

Explanation:

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2. 

L.D. converter gas (produced in steel plant) comprises mainly of

A. CO (upto 65%) & CO2
B. CO2 & H2
C. CO & O2
D. CO2 & O2

Answer: Option A

Explanation:

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3. 

Main constituents of purified Lurgi gas are

A. H2, CmHn & CO2
B. CO, H2 & CH4
C. CO2, O2 & CO
D. N2, H2 & CO2

Answer: Option B

Explanation:

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4. 

Catalyst used in Fischer-Tropsch process is

A. nickel
B. zinc oxide
C. alumina
D. thorium oxide

Answer: Option A

Explanation:

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5. 

Which of the following coal gasification processes will produce gas having maximum methane content ?

A. Winkler process.
B. Lurgi process.
C. Kopper-Totzek process.
D. All can produce same methane content.

Answer: Option B

Explanation:

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