Which one shows the diagramatic heat balance in a furnace?
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Maximum heat transfer in high temperature furnaces is by
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Fuel economy in furnaces can be achieved by
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Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?
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Operation of blast furnace stove is based on the principles of a __________ furnace.
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In practical operation of any furnace, zero oxygen percentage or theoretical CO2 percentage in flue gas is rarely achieved, because of
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Presence of SO2 in furnace gases attacks the ferrous metal by way of
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The main function of a muffle in the muffle furnace is to
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Which of the following is a periodic furnace?
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Low stack loss indicates the
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In furnaces operating at very high temperature (say) 1250°C, e.g. soaking pit), the maximum heat transfer takes place by
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The reason for excessive clinker formation in gas producers is the
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In a muffle furnace, the muffle
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Example of an indirectly heated furnace is
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The advantages of firing pulverised coal in the furnace lies in the fact that, it
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Tunnel kilns are usually used for
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Which of the following is not a directly fired furnace?
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Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a
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Thermal efficiency of furnaces can be improved by
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Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the
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