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Fuels and Combustion

Fuels and Combustion
Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent.

95 and 100
25 and 97
80 and 97
40 and 70

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Fuels and Combustion
'Fat' coal means a coal having

Low calorific value
Non smoking tendency
High volatile matter
Low ash content

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Fuels and Combustion
Quantity of coke produced from metallurgical coal may be around __________ percent.

50
30
95
75

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Fuels and Combustion
Water gas constitutes mainly of

CO & H₂
CO₂ & H₂
CH₄ & H₂
CO & N₂

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Fuels and Combustion
__________ is used as jet engine fuel.

LPG
Diesel
Kerosene
Petrol

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Fuels and Combustion
Higher efficiency in the combustion of solid fuel can not be achieved by

Keeping the flue gas exhaust temperature very high
Proper fuel preparation
Adopting efficient-fuel firing technique & equipment
Supplying correct quantity of combustion air

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