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FUELS AND COMBUSTION QUIZ

A sample of natural gas containing 80% methane (CH₄) and rest nitrogen (N₂) is burnt with 20% excess air. With 80% of the combustibles producing CO₂ and the reminder going to CO, the Orsat analysis in volume percent is

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Bomb calorimeter is used for the determination of calorific value of the __________ fuels.

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Very __________ coals are completely devoid of cokability i.e, it is non coking.

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To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in

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During combustion of coal on grate, clinker formation is increased by the

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The pyragallol solution used in orsat apparatus can absorb

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Main constituent of the gas produced from a gobar gas plant is

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Blast furnace gas constitutes mainly of

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The hottest part of the flame lies in its____zone.

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Calorific value of dry wood may be around __________ Kcal/kg.

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