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Fuels and Combustion

Fuels and Combustion
Producer gas comprises mainly of

CO & N₂
CO₂ & H₂
CO₂ & N₂
CO & H₂

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Fuels and Combustion
Calorific values of both the solid as well as the liquid fuels can be determined by __________ calorimeter.

None of these
Junkar's
Bomb
Boy's

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Fuels and Combustion
High rate of heating of coke ovens

Increases the time of carbonisation
None of these
May damage its walls due to abrupt excessive swelling of coal
Produces larger size coke

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Fuels and Combustion
Net calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C.

None of these
Latent
Sensible and latent
Sensible

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Fuels and Combustion
Undercharging of coal in the by-product coke ovens results in

Increase in the c.v. of coke oven gas
No change in the c.v. of coke oven gas
Decrease in the c.v. of coke oven gas
Increase in its throughput

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Fuels and Combustion
(64-132) rank coal (ASTM) means a coal with 64%

None of these
Ash and a heating value of 13, 200 BTU/1b
Fixed carbon and having a heat value of 13, 200 BTU/1b
Fixed carbon and a heating value of 132 BTU/1b

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