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Fuels and Combustion

Fuels and Combustion
Air/gas ratio for complete combustion will be the highest for

Coke oven gas
Gobar gas
LPG
Carburetted water gas

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Fuels and Combustion
Naphthalene is used for making

Unsaturated polyesters
All of these
Insecticides (e.g. moth balls)
Drug intermediates e.g. β-naphthol

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Fuels and Combustion
Which of the following is a lean fuel gas?

Natural gas
Blast furnace gas
LPG
Coke oven gas

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Fuels and Combustion
Mott and Wheeler test is conducted on coke to find its

Reactivity with O₂
Volatile matter content
Abradability
Phosphorus content

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Fuels and Combustion
Coal tar fuel - 200 (CTF 200) is a mixture of

Anthracene and crecosote oil
Solar oil and pitch
Light oil and pitch
Pitch and creosote oil

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Fuels and Combustion
Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain

H₂O
CO₂
CO
Both B & C

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