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Fuels and Combustion

Fuels and Combustion
Gobar gas constitutes mainly of

CH₄ & N₂
CO & CO₂
CH₄ & CO₂
CO & N₂

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Fuels and Combustion
Dry air required to burn 1 kg of carbon completely may be around __________ kg.

2
20
11
38

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Fuels and Combustion
Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis.

1100
750
500
950

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Fuels and Combustion
Orsat apparatus

Can
Determines N₂ in flue gas indirectly
Gives flue gas analysis on dry basis
All of these

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Fuels and Combustion
Blast furnace gas burns with a bluish flame, because of the presence of

CH₄
CO
CO₂
S

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Fuels and Combustion
Caking coal is desirable for

All of these
Coke making
Burning on travelling grate
Burning on firebars

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