Furnace Technology Maximum heat transfer in high temperature furnaces is by Radiation Convection Conduction 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 20 50 5 80 20 50 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption Increase in flame temperature Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption Increase in flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs an I.D. fan for the removal of flue gases from the furnace? Coke oven Beehive coke oven High pressure boiler Blast furnace stoves Coke oven Beehive coke oven High pressure boiler Blast furnace stoves ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. 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 Maximum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Dampers are located After the I.D. fan Near the top of the chimney Before the I.D fan Anywhere after the I.D. fan After the I.D. fan Near the top of the chimney Before the I.D fan Anywhere after the I.D. fan ANSWER DOWNLOAD EXAMIANS APP
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