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Fuels and Combustion

Fuels and Combustion
Which of the following is not a manufactured fuel ?

Semi-coke
Bagasse
Furnace oil
Kerosene

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Fuels and Combustion
Hard pitch is used for making

Insecticides
Pulverised fuel
Perfumes
Plastics

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Fuels and Combustion
Most of the coking coals are

Anthracite
None of these
Bituminous
Lignite

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Fuels and Combustion
In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by

Cuprous chloride
None of these
Potassium hydroxide
Alkaline pyrogallol solution

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Fuels and Combustion
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.

1700-1800
1400-1500
400-500
900-1000

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Fuels and Combustion
Coking coals are invariably

Semi-anthracites
Anthracites
Lignites
Bituminous coals

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