EXAMIANS
Neutral atmosphere is maintained in a/an __________ furnace.
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The function of an economiser in a boiler is to preheat the
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Advantages of use of preheated combustion air are
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Regenerators compared to the recuperators for the same duty
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In a muffle furnace, the muffle
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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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The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent.
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Soaking pits are meant for heating steel
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In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the
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Size of the combustion chamber of a furnace depends upon the
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