Furnace Technology Maximum heat transfer in high temperature furnaces is by Either A, B or C; depends on the type of furnace Radiation Convection Conduction Either A, B or C; depends on the type of furnace Radiation Convection Conduction 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 40 20 60 5 40 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Natural circulation Waste heat Water tube Fire tube Natural circulation Waste heat Water tube Fire tube ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 20 5 80 50 20 5 80 50 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a heating process, a heat flow diagram in which the quantities of heat in the various items of a heat balance are represented by the width of a band is called the Cox chart Sankey diagram None of these Ostwald chart Cox chart Sankey diagram None of these Ostwald chart ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) All of these Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) All of these Burner design (thoroughness of mixing versus stratification) Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP