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Fuels and Combustion

Fuels and Combustion
During its calorific value determination by bomb calorimeter, coal is combusted by

Oxygen enriched air
Air
None of these
Oxygen

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Fuels and Combustion
Highly reactive coke have lower

Porosity
Both B and C
Critical air blast (CAB) value
Coke reactivity index (CRI)

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Fuels and Combustion
The calorific value of L.D. converter gas is about __________ Kcal/Nm³ .

4500
1800
10000
800

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Fuels and Combustion
Gobar gas is produced by the __________ of cown dung.

None of these
Hydrogenation
Fermentation
Oxidation

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Fuels and Combustion
Stack (chimney) height in a big thermal power plant is dictated by the

Pollution control aspect
Draught to be created
None of these
Limitation of constructional facilities

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Fuels and Combustion
Calorific value as determined by bomb calorimeter is the

Higher calorific value at constant volume
Lower calorific value at constant pressure
Net calorific value at constant volume
Gross calorific value at constant pressure

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