Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Neither A nor B Cement manufacture Calcination of limestone & dolomite Both A and B Neither A nor B Cement manufacture Calcination of limestone & dolomite Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Coke ovens Neither A nor B Open hearth furnace Both A & B Coke ovens Neither A nor B Open hearth furnace Both A & B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 350 750 1050 1250 350 750 1050 1250 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Occupy more space Have higher pressure differential between flue gas & air side Are less costly Are lighter Occupy more space Have higher pressure differential between flue gas & air side Are less costly Are lighter ANSWER DOWNLOAD EXAMIANS APP