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Fuels and Combustion

Fuels and Combustion
A coal with high __________ content, would ignite most easily.

Ash
Fixed carbon
Oxygen
Volatile matter

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Fuels and Combustion
When the coal is heated in absence of air, it is called its

Coalification
Carbonisation
Gasification
Deoxidation

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Fuels and Combustion
Ionisation potential applied across the electrodes of electrostatic tar precipitator is around

60 KV AC
230 V DC
60 KV DC
230 V AC

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Fuels and Combustion
High ash containing coke

None of these
Is desirable in producer gas manufacture
Has poor strength and abrasion resistance
Produces more slag when used in the blast furnace

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Fuels and Combustion
'Fuel' can be defined as a substance which produces heat by

Combustion
All of these
Nuclear fission
Nuclear fusion

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Fuels and Combustion
Out of the following, which is the most important parameter for the blast furnace grade coke?

CSR & CRI
Ash content
Moisture content
Volatile matter content

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