Furnace Technology The reason for excessive clinker formation in gas producers is the Use of fuel having too low an ash fusion temperature All of these Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of fuel having too low an ash fusion temperature All of these Use of coal/coke containing a high % of fines and ash Development of hot spots in the fuel bed and an abnormally high rate of gasification ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Increase in flame temperature Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption Increase in flame temperature Increase in calorific value of the fuel Reduction in scale losses Saving in fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Covered Sidefired Underfired Recirculating Covered Sidefired Underfired Recirculating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In reverberatory furnace, charge is heated mainly by 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 Natural convection None of these Conduction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Furnace pressure is normally controlled by regulating the Fuel gas pressure Damper Air pressure Speed of I.D. fan Fuel gas pressure Damper Air pressure Speed of I.D. fan ANSWER DOWNLOAD EXAMIANS APP
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