Furnace Technology The purpose of controlling the furnace atmosphere is to prevent surface attack by Decarburising Sulphur penetration Oxidation/scaling Either of the above Decarburising Sulphur penetration Oxidation/scaling Either of the above ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The amount of combustible escaping uncon-sumed from the furnace, depends upon the 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) All of these Air supplied and furnace temperature 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) All of these Air supplied and furnace temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Both A and B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Both A and B Solid fuels ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a rotary furnace? Lime kiln Soaking pit Stoves Annealing furnace Lime kiln Soaking pit Stoves Annealing furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Large tonnage of refractory bricks are dried in a Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln Muffle furnace Rotary hearth furnace Shaft furnace Tunnel kiln ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thermal efficiency of furnaces can be improved by Maintaining proper draught All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls Maintaining proper draught All of these Waste heat recovery from flue gas Minimising heat losses from furnace walls ANSWER DOWNLOAD EXAMIANS APP
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