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FUELS AND COMBUSTION

Fuels and Combustion
Which of the following is not a product of tar distillation?

Anthracene & creosote
None of these
Phenol & naphthalene
Benzol & pitch

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Fuels and Combustion
Steam is intermittently admitted into the fuel bed during the production of producer gas to

Increase the combustion rate
Convert CO to CO₂
Minimise the chances of clinker formation
Increase the gas production rate

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Fuels and Combustion
High rate of heating of coke ovens

May damage its walls due to abrupt excessive swelling of coal
Produces larger size coke
None of these
Increases the time of carbonisation

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Fuels and Combustion
By-products are __________ recovered in 'Beehive ovens'.

Fully
Partially
Negligibly
Not at all

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Fuels and Combustion
Naphthalene is removed from coke oven gas by

Adsorbing on bog iron bed
None of these
Scrubbing with wash oil (a petroleum product)
Absorbing in vetro-coke solution

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