Furnace Technology Very high pressure boilers are usually __________ boilers. Waste heat Fire tube Natural circulation Water tube Waste heat Fire tube Natural circulation Water tube ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 10 65 25 90 10 65 25 90 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? Calcination kiln By-product coke oven Open hearth furnace Sintering furnace Calcination kiln By-product coke oven Open hearth furnace Sintering furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Air filtration in a furnace Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature Reduces its thermal efficiency Is indicated by flame sting out None of these Increases the flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ingress of cold air in the furnaces through cracks, charging doors, openings etc. Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising Reduces the furnace draught Increases the load on the induced draft fan All of these Reduces the flue gas temperature and makes the furnace atmosphere oxidising ANSWER DOWNLOAD EXAMIANS APP
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