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Fuels and Combustion

Fuels and Combustion
Power alcohol as compared to straight run gasoline has lower

Octane number
Viscosity
Calorific value
Specific gravity

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Fuels and Combustion
Volatile matter content in coking coal may be about __________ percent.

22
46
1
7

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Fuels and Combustion
Calorific value of bituminous coal may be around __________ Kcal/kg.

20000
1500
500
6500

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Fuels and Combustion
Main constituents of benzol are

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

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Fuels and Combustion
A good coking coal should have high __________ content.

None of these
Sulphur & phosphorus
Ash
Moisture

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Fuels and Combustion
Coke oven gas burns with an yellowish flame, because of the presence of

CO₂
NH₃
CH₄
H₂

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