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Fuels and Combustion

Fuels and Combustion
Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter.

Boy's
Junker's
None of these
Bomb

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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
Which of the following can be made into briquettes without the use of a binder?

Anthracite coal
Lignite
None of these
Bituminous coal

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Fuels and Combustion
C/H ratio is the maximum in case of

Coal
Furnace oil
Naphtha
Natural gas

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Fuels and Combustion
Deficiency of combustion air during combustion of a gaseous fuel

Shortens the flame
Both A & B
Causes heat loss of fuel by its partial combustion
Lengthens the flame

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Fuels and Combustion
A sooty flame can be made non-luminous by

Shutting air supply
Admitting more air
Shutting gas supply
Admitting more gas

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