Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock All of these Steam generation in waste heat boilers Preheating of combustion air Preheating of cold stock ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber Natural convection None of these Conduction Radiation of heat from the roof of the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Higher calorific value Better combustion Less erosion on furnace wall Smokeless burning Higher calorific value Better combustion Less erosion on furnace wall Smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Flue gas outlet temperature from the chimney of any furnace should be ideally about __________ °C. 50 250 150 100 50 250 150 100 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Conduction Radiation None of these Convection Conduction Radiation None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures. 1250 1050 350 750 1250 1050 350 750 ANSWER DOWNLOAD EXAMIANS APP
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