Q. Sometimes water is sprayed during coal charging in the coke oven, which helps in

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Q. Calorific value of pitch creosote mixture (PCM) i.e., C.T.F.-200 is about

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Q. Bomb calorimeter is used to determine the (where, GCV - Gross Calorific Value. NCV - Net Calorific Value.)

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Q. Which of the following oil gasification processes is non-catalytic ?

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Q. Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use.

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Q. Kopper-Totzek coal gasifier

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Q. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

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Q. Largest constituent of coke oven gas is

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Q. Fussain

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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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