Q381
Open questionA coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon
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Chemical Engineering · all questionsFuels And Combustion
Fuels And Combustion
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Q382
Open questionThe maximum percentage of CO2 in a flue gas (from a carbonaceous fuel) can be
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Q383
Open questionNet calorific value is the gross calorific value less the __________ heat of water in the product of combustion when cooled to 15°C.
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Q384
Open questionImproper storage condition results in the weathering of coal and spontaneous combustion, which increases its
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Q385
Open questionHigher percentage of ash in coal meant for the production of metallurgical grade coke
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Q386
Open questionCoals used for the generation of producer gas should have
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Q387
Open questionThe optimum percentage of excess air for combustion depends upon the __________ of the fuel.
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Q388
Open questionCommercial production of petrol from coal (as practised in a factory at Sasol in South Africa) is done by the __________ of coal.
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Q389
Open questionLargest constituent of coke oven gas is
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Q390
Open questionA carbonaceous fuel (containing no H2 or hydrocarbons) is burnt and the resulting flue gas contains 21% CO2. It means that
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Q391
Open questionCoal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis.
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Q392
Open questionDuring its calorific value determination by bomb calorimeter, coal is combusted by
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Q393
Open questionOrsat apparatus
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Q394
Open questionOrsat apparatus is meant for
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Q395
Open question'Fat coals' are those coals which have very high
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Q396
Open question__________ has the widest inflammability limit (explosion limit) of all the gases.
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Q397
Open questionPresence of force moisture in coal is most disadvantageous during its
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Q398
Open questionProducer gas containing least amount of tar is produced by the
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Q399
Open questionCoke oven gas constitutes mainly of
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Q400
Open questionWhich of the following is a poisonous fuel gas?
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