Furnace Technology Reducing atmosphere is maintained in a Blast furnace Soaking pit L.D. converter Calcination kiln Blast furnace Soaking pit L.D. converter Calcination kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these Is indicated by flame sting out Increases the flue gas temperature Reduces its thermal efficiency None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In order to maintain a reducing atmosphere in a furnace, it should have High excess air CO in flue gas No O₂ in flue gas None of these High excess air CO in flue gas No O₂ in flue gas None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Occupy more space Are of smaller size Are less costly All of these Occupy more space Are of smaller size Are less costly All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 65 40 80 20 65 40 80 20 ANSWER DOWNLOAD EXAMIANS APP