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Fuels and Combustion

Fuels and Combustion
Yield of blast furnace gas is about __________ Nm³ /ton of pig iron.

10000
2000
5000
300

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Fuels and Combustion
Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter.

Bomb
Boy's
Junker's
None of these

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Fuels and Combustion
Yield of coke oven gas in low temperature carbonisation of coal is about __________ Nm³ /ton of dry coal.

60
750
160
500

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Fuels and Combustion
Compound coke ovens are those which can be heated by

Lean gas (e.g., B.F. gas)
Both steam and electrical power
Rich gas (e.g., coke oven gas)
Both B and C

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Fuels and Combustion
During combustion of a gaseous fuel, the presence of a non-luminous flame is an indication of the

None of these
Complete combustion
Incomplete combustion
High oxygen in flue gas

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Fuels and Combustion
'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent.

10.5
14.5
2.5
7.5

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