Q. Calorific value of tar is about __________ Kcal/kg.

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Q. Efficiency of the combustion of a fuel is judged by the __________ the flue gas.

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Q. Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm.

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Q. Rate of low temperature oxidation of coal due to bad storage conditions

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Q. Pick the odd man out.

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Q. Power alcohol as compared to straight run gasoline has lower

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Q. When the coal is heated in absence of air, it is called its

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

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Q. Shatter index of the coke is a measure of its

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Q. Narrow coke ovens as compared to wider coke ovens

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Q. Preheating of __________ the flame temperature.

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Q. Which of the following has the highest heat of combustion?

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

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Q. Which adsorbent is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ?

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Q. Temperature of coke oven gas just before entering into saturator (for recovery of NH₃) is about __________ °C.

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Q. With increase in calorific value of fuels, their adiabatic flame temperatures

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Q. Coal tar fuel - 200 (CTF 200) is a mixture of

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

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Q. High pressure coal gasification is employed in __________ process.

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Q. Flue gas from the heating chamber of byproduct coke ovens is removed by

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