Furnace Technology The thermal efficiency of an air/fuel gas preheating recuperator may be as high as __________ percent. 99 85 50 65 99 85 50 65 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Roasting of pyrites Drying/tempering of refractories Reheating of slabs Melting of glass Roasting of pyrites Drying/tempering of refractories Reheating of slabs Melting of glass ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 70 40 15 85 70 40 15 85 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 60 5 20 40 60 5 20 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Blast furnace stoves are meant for heating Steam None of these Blast furnace gas Air Steam None of these Blast furnace gas Air ANSWER DOWNLOAD EXAMIANS APP
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