Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only Maximum heat input rate only Volume of the combustion chamber Range of fuel firing rates Minimum heat input rate only ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Either A, B or C; depends on the type of furnace Convection Conduction Radiation Either A, B or C; depends on the type of furnace Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature Reduction in scale losses Saving in fuel consumption All of these Increase in flame temperature Reduction in scale losses Saving in fuel consumption All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer rate to the charge/stock in a furnace does not depend upon the Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous Flue gas temperature Emissivity of refractory walls Initial temperature of the charged stock Type of fuels viz solid, liquid or gaseous ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Walking beam Tunnel Shaft Rotary hearth Walking beam Tunnel Shaft Rotary hearth ANSWER DOWNLOAD EXAMIANS APP