Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Both A and B Regenerative Neither A nor B Recuperative Both A and B Regenerative Neither A nor B Recuperative ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Furnace employing neutral atmosphere Carbon resistance furnace Furnace employing negative pressure Reducing atmosphere Furnace employing neutral atmosphere Carbon resistance furnace Furnace employing negative pressure Reducing atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Ceramic recuperator None of these Metallic recuperator Regenerator Ceramic recuperator None of these Metallic recuperator ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Shaft furnaces are used for Roasting All of these Calcining Smelting Roasting All of these Calcining Smelting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 25-30 45-50 44119 65-70 25-30 45-50 44119 65-70 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
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