Furnace Technology Which furnace employs preheating, heating and soaking zones? Soaking pit Reheating furnace Cupola Open hearth furnace Soaking pit Reheating furnace Cupola Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Both A and B Neither A nor B Calcination of limestone & dolomite Cement manufacture Both A and B Neither A nor B Calcination of limestone & dolomite Cement manufacture ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have CO in flue gas No O₂ in flue gas High excess air None of these CO in flue gas No O₂ in flue gas High excess air None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Resistance Arc Low frequency induction None of these Resistance Arc Low frequency induction None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In which of the waste heat recovery equipment, the flow of flue gas and air is alternately reversed after a fixed interval of time? Recuperator None of these Regenerator Waste heat boiler Recuperator None of these Regenerator Waste heat boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption Increase in calorific value of the fuel Increase in flame temperature Reduction in scale losses Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
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