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Fuels and Combustion

Fuels and Combustion
Main use of soft coke is as __________ fuel.

None of these
Foundary
Domestic
Blastfurnace

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Fuels and Combustion
Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent.

6
24
18
12

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Fuels and Combustion
Which of the following coke has the least percentage of ash?

Metallurgical coke
Beehive coke
Petroleum coke
Foundary coke

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Fuels and Combustion
Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C.

30
180
65
120

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Fuels and Combustion
Producer gas comprises mainly of

CO₂ & H₂
CO & H₂
CO & N₂
CO₂ & N₂

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Fuels and Combustion
High pressure coal gasification is employed in __________ process.

Kopper-Totzek
Winkler
None of these
Lurgi

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