Furnace Technology Design of waste heat boiler for recovery of waste heat from furnace gases depends upon the Quantity & temperature of waste gas Corrosive nature of the waste gas All of these Dust concentration & nature of dust in waste gas Quantity & temperature of waste gas Corrosive nature of the waste gas All of these Dust concentration & nature of dust in waste gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The function of an economiser in a boiler is to preheat the Feedwater Combustion air Pulverised coal Furnace oil Feedwater Combustion air Pulverised coal Furnace oil 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 normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 Is normally much more for a continuous furnace as compared to a batch furnace Is the ratio of maximum to minimum permissible heat input rates ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only Volume of the combustion chamber Maximum heat input rate only Range of fuel firing rates Minimum heat input rate only Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Example of an indirectly heated furnace is Neither A nor B Muffle furnace Hood annealing furnace Both A and B Neither A nor B Muffle furnace Hood annealing furnace Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Thermal efficiency of furnace All of these Quantity of flue gases Flue gas temperature drop through the furnace Thermal efficiency of furnace All of these Quantity of flue gases Flue gas temperature drop through the furnace ANSWER DOWNLOAD EXAMIANS APP