Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel Saving in fuel consumption Reduction in scale losses Increase in flame temperature Increase in calorific value of the fuel 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 Recirculating Sidefired Underfired Covered Recirculating Sidefired Underfired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the Use of fuel having too low an ash fusion temperature 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 All of these Use of fuel having too low an ash fusion temperature 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning Better combustion Less erosion on furnace wall Higher calorific value Smokeless burning ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in an industrial furnace operation can not be achieved by the use of Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators Stoichiometric combustion air Combustion air not enriched with oxygen Non-preheated combustion air Recupterators ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a continuous waste heat recovery equipment from the flue gases going out of furnace? Waste heat boiler Regenerator Economiser Ceramic recuperator Waste heat boiler Regenerator Economiser Ceramic recuperator ANSWER DOWNLOAD EXAMIANS APP
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