Q. Pulverised fuel fired furnaces employ __________ fuel firing.

View solution

Q. Which of the following is not a directly fired furnace ?

View solution

Q. Heat transfer rate to the stock/charge in the furnace does not depend upon the

View solution

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

View solution

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

View solution

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

View solution

Q. Cement Kiln is a

View solution

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

View solution

Q. Regenerators are installed in

View solution

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

View solution

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

View solution

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 ?

View solution

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

View solution

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

View solution

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

View solution

Q. Which furnace employs natural draft ?

View solution

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

View solution

Q. Reverberatory furnace is used for

View solution

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

View solution

Q. In furnaces operating at very high temperature (say 1250°C, e.g. soaking pit), the maximum heat transfer takes place by

View solution