Q321
Open questionCaking index of the coal blend used for the manufacture of metallurgical coke should be around
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Fuels And Combustion
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Q322
Open questionHeight of coke oven is limited (say maximum upto 7 metres) mainly by the
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Q323
Open questionWhich of the following fuels is generally not used in thermal power plant boiler firing?
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Q324
Open questionBulk density of pulverised coal may be about __________ kg/m3.
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Q325
Open questionQuantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm3.
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Q326
Open questionA sooty flame can be made non-luminous by
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Q327
Open questionThe maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen.
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Q328
Open questionCoke oven gas burns with an yellowish flame, because of the presence of
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Q329
Open questionBlast furnace gas burns with a bluish flame, because of the presence of
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Q330
Open questionWith increase in C/H ratio of a fuel, the amount of CO2 formed on its complete combustion
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Q331
Open questionExplosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.
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Q332
Open questionMost of the coking coals are
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Q333
Open questionCoke oven gas compared to blast furnace gas is
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Q334
Open questionHigh pressure coal gasification is employed in __________ process.
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Q335
Open questionIn low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less.
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Q336
Open questionWhich adsorbant 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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Q337
Open questionNumber of macrocomponents present in coal according to Stopes are
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Q338
Open questionWhich of the following accentuates clinkering trouble on furnace grate burning coal?
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Q339
Open questionHigh temperature in gasification of coal favours
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Q340
Open questionWhich of the following oil gasification processes is non-catalytic?
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