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Fuels and Combustion

Fuels and Combustion
Percentage of methane in coke oven gas may be around

25
50
15
5

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

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

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Fuels and Combustion
Main constituents of benzol are

Ammonia & phenol
Anthracene & phenol
Benzene, toluene & xylene
Tar & creosote

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Fuels and Combustion
With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases.

All of these
Methane
Hydrogen
Unsaturated hydrocarbons

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Fuels and Combustion
Fuel for a fast breeder nuclear reactor is

Radium
Neptunium
Plutonium
Uranium

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

Oxygen
None of these
Oxygen enriched air
Air

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