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Fuels and Combustion

Fuels and Combustion
Purity of coke means that, it is high in carbon and low in

Iron
Moisture
Volatiles
Ash

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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.

160
500
60
750

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

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

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Fuels and Combustion
Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of

MgCO₃ & NaCl
BaSO₄ & NaCl
MgSO₄ & BaCl₂
MgO & Na₂CO₃

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Fuels and Combustion
Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

M = 1.1 A
M = 0.5 A
M = A
M = 1.8 A

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Fuels and Combustion
Junker's calorimeter is used to determine the calorific value of

None of these
Fuel oil
Pulverised coal
Gaseous fuels

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