Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Recirculating Sidefired Underfired Covered Recirculating Sidefired Underfired Covered ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Better combustion Higher calorific value Less erosion on furnace wall Smokeless burning Better combustion Higher calorific value Less erosion on furnace wall ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Decarburisation of steel Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure Is favoured by CO₂ All of these Is the removal of carbon from iron carbide (Fe₃C) Affects its crystalline structure Is favoured by CO₂ All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. 40 60 5 20 40 60 5 20 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space Reduction in the temperature of furnace gases Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Increase in heating capacity/m² of floor space ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Calcination of limestone & dolomite Both A and B Cement manufacture Neither A nor B Calcination of limestone & dolomite Both A and B Cement manufacture Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS