Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Both A and B Neither A nor B Low emissivity High thermal conductivity Both A and B Neither A nor B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock Steam generation in waste heat boilers Preheating of combustion air All of these Preheating of cold stock Steam generation in waste heat boilers Preheating of combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace Stack loss Flame temperature Oxygen in the flue gas Heat transfer rate in the furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables does not affect the furnace capacity? None of these Size of the furnace Gas velocity in furnace Ratio of wall surface to surface of stock None of these Size of the furnace Gas velocity in furnace Ratio of wall surface to surface of stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Rotary kilns Soaking pits Walking beam reheating furnace Boiler furnace Rotary kilns Soaking pits Walking beam reheating furnace Boiler furnace 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. Low frequency induction Arc Resistance None of these Low frequency induction Arc Resistance None of these ANSWER DOWNLOAD EXAMIANS APP
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