Furnace Technology Circulation of gases in furnace is caused by the Change in volume during a change of temperature All of these Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature All of these Difference in density between hot and cold gases Furnace pressure in conjunction with draft in flues ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 20 80 60 40 20 80 60 40 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Is normally much more for a continuous furnace as compared to a batch furnace Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The thermal efficiency of a steel slab reheating furnace (walking beam type) may be about __________ percent. 85 40 15 70 85 40 15 70 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are All of these Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices All of these Arrangement of heating stock in the furnaces Fans Location of outlet ports and heating & combustion devices ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An example of shaft furnace is the Blast furnace Glass melting tank L.D. converter Soaking pit Blast furnace Glass melting tank L.D. converter Soaking pit ANSWER DOWNLOAD EXAMIANS APP
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