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Fuels and Combustion

Fuels and Combustion
Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm³/ton coal (ash = 35%).

3500
1500
150
5000

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Fuels and Combustion
The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal.

Fast & slow
Fast & high
Slow & low
Slow & high

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

Bomb
Boy's
Junkar's
None of these

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Fuels and Combustion
Preheating of a gaseous fuel results in increased

Ignition temperature
Quantity of flue gas
Flame temperature
Flame length

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Fuels and Combustion
Coal tar fuel - 200 (CTF 200) is a mixture of

Light oil and pitch
Anthracene and crecosote oil
Pitch and creosote oil
Solar oil and pitch

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Fuels and Combustion
Percentage of nitrogen in blast furnace gas may be around

55
25
5
80

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