EXAMIANS
Volumetric ratio of N₂ to O₂ in dry atmospheric air is
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Blast furnace gas compared to coke oven gas has
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In general, the limit of inflammability/explosion limit of fuel gases is widened by the
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Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of
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Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature?
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__________ has the widest inflammability limit (explosion limit) of all the gases.
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Which of the following fuel gases has the highest calorific value ?
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Which of the following will generate maximum volume of product of complete combustion (Nm³/Nm³ of fuel) ?
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Fuel combustion is never cent per cent efficient due to
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'Mixed gas' used in steel plants is a mixture of
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