Q. Producer gas comprises mainly of

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Q. In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the

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Q. Which of the following fuels is generally not used in thermal power plant boiler firing?

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Q. A sooty flame can be made non-luminous by

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Q. A coal that softens and fuses on heating is

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Q. Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

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Q. 'Mixed gas' used in steel plants is a mixture of

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Q. __________ process is meant for direct hydrogenation of coal to produce liquid fuel.

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Q. Producer gas containing least amount of tar is produced by the

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Q. Air/gas ratio for complete combustion will be the highest for

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Q. Beehive coke oven

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Q. Turndown ratio of a gas burner is equal to the

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Q. In high temperature carbonisation (as compared to low temperature carbonisation) of coal

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Q. Anthracite coal

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Q. Number of macrocomponents present in coal according to Stopes are

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Q. The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

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Q. Yield of charcoal in high temperature carbonisation of wood is about __________ percent.

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Q. Orsat apparatus is meant for

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Q. Pick out the wrong statement.

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Q. Compound coke ovens are those which can be heated by

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