Furnace Technology Low stack loss indicates the Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air Inefficient use of fuel Efficient use of fuel Use of sub-stoichiometric air for combustion Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Damper Air pressure Fuel gas pressure Speed of I.D. fan Damper Air pressure Fuel gas pressure Speed of I.D. fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner 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 Is normally much more for a continuous furnace as compared to a batch furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Conduction Either A, B or C; depends on the type of furnace Convection Radiation Conduction Either A, B or C; depends on the type of furnace Convection Radiation 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