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Fuels and Combustion

Fuels and Combustion
__________ process is meant for direct hydrogenation of coal to produce liquid fuel.

Bergius
Lurgi
Fischer-Tropsch
None of these

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Fuels and Combustion
The cuprous chloride used in orsat apparatus can absorb

Only CO
Both CO and CO₂
All of these
Both CO and O₂

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Fuels and Combustion
Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of

Less air for combustion
Pulverised coal in boilers
Too much air for combustion
Correct amount of air for combustion

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Fuels and Combustion
Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air.

35
20
5
10

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Fuels and Combustion
Which of the following is unsuitable fuel for producer gas manufacture?

Coal having high fusion point of its ash
Anthracite
Coke
Coal having low fusion point of its ash

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Fuels and Combustion
Largest constituent of blast furnace gas is

H₂
N₂
CO
CO₂

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