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Fuels and Combustion

Fuels and Combustion
Abel apparatus is used for those oils, whose flash points are___°F.

>120
300-600
>280

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Fuels and Combustion
Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is

CH₄
H₂
CO₂
N₂

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Fuels and Combustion
In low temperature carbonisation (as compared to high temperature carbonisation) of coal

Aliphatic tar is produced
Free carbon in tar is more
All of these
Ammonia yield is more

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Fuels and Combustion
__________ process is meant for direct hydrogenation of coal to produce liquid fuel.

None of these
Fischer-Tropsch
Lurgi
Bergius

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Fuels and Combustion
Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the

Decolourisation of sugar
Absorption of gases and vapor
Solvent recovery from air and gases
Electrode manufacture

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Fuels and Combustion
A gaseous fuel in order to develop luminousity on burning, must contain

Hydrocarbons
Oxygen
Hydrogen
Carbon monoxide

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