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Fuels and Combustion

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

Bomb
Junker's
None of these
Boy's

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Fuels and Combustion
__________ has the widest inflammability limit (explosion limit) of all the gases.

Carbon monoxide
Methane
Hydrogen
Acetylene

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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
Coke oven gas burns with an yellowish flame, because of the presence of

NH₃
H₂
CH₄
CO₂

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Fuels and Combustion
Which of the following is the maximum coal producing state in India?

West Bengal
Jharkhand
Assam
Orissa

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Fuels and Combustion
Higher fuel combustion efficiency can not be achieved by

Reducing sulphur content in the fuel
Supplying correct amount of combustion air
Adopting proper fuel firing technique & fuel preparation
Preheating of fuel gases & combustion air

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