Q. Power required in case of forced draught as compared to induced draught (for the same draught produced) is

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Q. Means for giving direction to the circulation of gases in furnaces are

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Q. The amount of combustible escaping uncon-sumed from the furnace, depends upon the

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Q. Cement Kiln is a

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Q. In a furnace employing forced draught as compared to induced draught,

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Q. Regenerators are installed in

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Q. Which of the following is a heat treatment furnace ?

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Q. __________ atmosphere is maintained inside an iron blast furnace.

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Q. In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time ?

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Q. An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace.

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Q. Turndown ratio of a burner gives an idea of the __________ in the furnace.

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Q. In low or standard frequency induction furnace, heat is produced by the

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Q. Which furnace employs natural draft ?

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Q. The method of Lobo and Evans is concerned with the calculation of the

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Q. Reverberatory furnace is used for

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Q. Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent.

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Q. 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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Q. Which of the following is a directly fired intermittant furnace ?

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Q. The heating capacity of muffle furnace depends on the

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Q. Which of the following is a batch furnace ?

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