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Chemical Engineering · all questionsFuels And Combustion
Fuels And Combustion
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Low temperature carbonisation of coal takes place at __________ °C.
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High temperature carbonisation of coal takes place at __________ °C.
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Actual flame temperature is always lower than the adiabatic flame temperature, because there is
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The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always
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Sometimes water is sprayed during coal charging in the coke oven, which helps in
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The main drawback of supplying more excess air in the combustion of fuel is the
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Which of the following fuel gases has the highest calorific value ?
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Which of the following has the highest calorific value?
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Which of the following coke has the least percentage of ash?
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Which will have the least volatile matter and hence will be the most difficult to ignite?
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Ratio of primary air to secondary air increases with increase in the rank of coal, because the
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White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is
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Calorific value of both the solid & liquid fuels can be determined by using __________ calorimeter.
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Oxygen percentage (by weight) in atmospheric air is
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Which of the following can be made into briquettes without the use of a binder?
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Octane number of 2, 2, 4 - trimethyl pen-tane is
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During coking of coal, the ash content (percentage)
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Abel apparatus is used for those oils, whose flash points are___°F.
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Q100
Open questionPick out the wrong statement.
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