Furnace Technology Large tonnage of refractory bricks are dried in a Shaft furnace Rotary hearth furnace Tunnel kiln Muffle furnace Shaft furnace Rotary hearth furnace Tunnel kiln Muffle furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air None of these Calculation of flue gas temperature Computation of flue gas analysis Computing the excess/deficiency of combustion air None of these Calculation of flue gas temperature Computation of flue gas analysis 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 Which is not accomplished in an underfired furnace? Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Turndown ratio of a burner gives an idea of the __________ in the furnace. Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber Minimum heat input rate only Maximum heat input rate only Range of fuel firing rates Volume of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by None of these Natural convection Radiation of heat from the roof of the combustion chamber Conduction None of these Natural convection Radiation of heat from the roof of the combustion chamber Conduction ANSWER DOWNLOAD EXAMIANS APP