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Chemical Engineering · all questions

Fuels And Combustion
practice.

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If oxygen content in the flue gas rises too high, fuel is being wasted by

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Coking time in beehive coke oven is about

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Too much of excess air in combustion results in high

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Catalyst used in Fischer-Tropsch process is

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The cuprous chloride used in orsat apparatus can absorb

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Pick out the wrong statement.

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The pyragallol solution used in orsat apparatus can absorb

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Use of preheated air for combustion of fuel in the furnace, increases the

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C.V. (kcal/Nm3) of gaseous fuels __________ with increase in molecular weight.

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'Wobbe index' is a characteristic of

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Pitch creosote mixture (PCM) as compared to furnace oil is a better fuel, because its

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The calorific value of natural gas is about __________ kcal/Nm3.

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Calorific value of wood gas is about __________ kcal/Nm3.

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Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ kcal/Nm3.

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The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm3.

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The calorific value of producer gas is around __________ kcal/Nm3.

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Yield of pitch from distillation of high temperature tar is around __________ percent.

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Supply of excess air for complete combustion of fuel is necessitated to facilitate

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In high temperature carbonisation of coal compared to low temperature carbonisation

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Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm.

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