Furnace Technology Turn down ratio of a burner 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 Should be 1:1 for a batch type furnace. Should be as low as possible i.e., 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature None of these Computing the excess/deficiency of combustion air Computation of flue gas analysis Calculation of flue gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not an additive for flue gases from furnace to reduce its dew-point? None of these Fine dolomite Alkaline powders Ammonia None of these Fine dolomite Alkaline powders Ammonia ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 5 50 80 20 5 50 80 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Size of the combustion chamber of a furnace depends upon the Heat release rate of the fuel All of these Preheat temperature of fuel & air Method of mixing the fuel & air Heat release rate of the fuel All of these Preheat temperature of fuel & air Method of mixing the fuel & air ANSWER DOWNLOAD EXAMIANS APP
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