Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are used for waste heat recovery in By-product coke ovens Beehive coke oven Blast furnace stoves Soaking pits By-product coke ovens Beehive coke oven Blast furnace stoves Soaking pits ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators compared to metallic recuperators for the same duty Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space Are less costly Are lighter Have higher pressure differential between flue gas & air side Occupy more space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time Temperature Nature of atmosphere All of these Time Temperature Nature of atmosphere All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the stock/charge in the furnace does not depend upon the Emissivity of the refactory walls Thickness of the stock Use of waste heat recovery equipments Size of the furance Emissivity of the refactory walls Thickness of the stock Use of waste heat recovery equipments Size of the furance ANSWER DOWNLOAD EXAMIANS APP