Furnace Technology Which is not accomplished in an underfired furnace? Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following furnaces will have maximum thermal efficiency? Soaking pits Walking beam reheating furnace Rotary kilns Boiler furnace Soaking pits Walking beam reheating furnace Rotary kilns Boiler furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Higher calorific value Better combustion Less erosion on furnace wall Smokeless burning Higher calorific value Better combustion Less erosion on furnace wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs preheating, heating and soaking zones? Open hearth furnace Soaking pit Cupola Reheating furnace Open hearth furnace Soaking pit Cupola Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) Air supplied and furnace temperature All of these Burner design (thoroughness of mixing versus stratification) Air preheat and the flow of gases in the furnace (mixing by induction, by acceleration or by change of direction) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Sulphur penetration Oxidation/scaling Either of the above Decarburising Sulphur penetration Oxidation/scaling Either of the above Decarburising ANSWER DOWNLOAD EXAMIANS APP
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