Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these Computation of flue gas analysis Computing the excess/deficiency of combustion air Calculation of flue gas temperature None of these Computation of flue gas analysis ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Tunnel kiln Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln Muffle furnace Rotary hearth furnace Shaft furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Use of pulverised solid fuels Use of non-preheated combustion air Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of non-preheated combustion air Use of excessive positive draft in the furnace Imperfect mixing of fuel & air and infiltration of air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact All of these Store smaller quantity of waste heat Involve higher initial cost Are lighter & compact All of these Store smaller quantity of waste heat Involve higher initial cost ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Convection Radiation Conduction None of these Convection Radiation Conduction None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Radiation of heat from the roof of the combustion chamber None of these Conduction Natural convection Radiation of heat from the roof of the combustion chamber None of these Conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP