Furnace Technology Tunnel kilns are usually used for Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs Roasting of pyrites Drying/tempering of refractories Melting of glass Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Main gas valve in a gaseous fuel burner is a __________ valve. None of these Gate Globe Butterfly None of these Gate Globe Butterfly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a recuperative furnace? Coke oven Soaking pit Steamboiler Reheating furnace Coke oven Soaking pit Steamboiler Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Occupy more space Are of smaller size All of these Are less costly Occupy more space Are of smaller size All of these Are less costly ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) All of these Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature Burner design (thoroughness of mixing versus stratification) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 90 25 10 65 90 25 10 65 ANSWER DOWNLOAD EXAMIANS APP