Furnace Technology Turn down ratio of a burner Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. Is normally much more for a continuous furnace as compared to a batch furnace Should be as low as possible i.e., 1 : 2 Is the ratio of maximum to minimum permissible heat input rates Should be 1:1 for a batch type furnace. ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Rotary kilns Coke oven L.D. converter Boiler Rotary kilns Coke oven L.D. converter Boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Oxidation/scaling Either of the above Decarburising Sulphur penetration Oxidation/scaling Either of the above Decarburising Sulphur penetration ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The main function of a muffle in the muffle furnace is to Neither A nor B Protect the charge from the effects of the products of combustion Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall Neither A nor B Protect the charge from the effects of the products of combustion Both A & B Smooth out temperature inequalities on the combustion side of the muffle wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The heat recoverable from flue gases of furnaces depends on the Flue gas temperature drop through the furnace All of these Quantity of flue gases Thermal efficiency of furnace Flue gas temperature drop through the furnace All of these Quantity of flue gases Thermal efficiency of furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are All of these 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 ANSWER DOWNLOAD EXAMIANS APP
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