Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 20 80 40 60 20 80 40 60 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting Reheating Melting None of these Roasting Reheating Melting None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 50 85 99 65 50 85 99 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Oxygen enrichment of combustion air does not result in increase of the Flame temperature Heat transfer rate in the furnace Oxygen in the flue gas Stack loss Flame temperature Heat transfer rate in the furnace Oxygen in the flue gas Stack loss ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 25 90 65 10 25 90 65 10 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Rotary hearth furnace Shaft furnace Muffle furnace Tunnel kiln Rotary hearth furnace Shaft furnace Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
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