Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Less erosion on furnace wall Higher calorific value Better combustion Smokeless burning Less erosion on furnace wall Higher calorific value Better combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 65-70 45-50 25-30 44119 65-70 45-50 25-30 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. 40 80 60 20 40 80 60 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turn down ratio of a burner 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an Annealing furnace Blast furnace Salt bath furnace Steam boiler Annealing furnace Blast furnace Salt bath furnace Steam boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Are of smaller size Occupy more space All of these Are less costly Are of smaller size Occupy more space All of these Are less costly ANSWER DOWNLOAD EXAMIANS APP
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