Furnace Technology The main function of a muffle in the muffle furnace is to Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall Both A & B Neither A nor B Protect the charge from the effects of the products of combustion Smooth out temperature inequalities on the combustion side of the muffle wall Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 250 1000 650 850 250 1000 650 850 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about __________ °C. 180 250 80 130 180 250 80 130 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators as compared to recuperators for the same duty Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these Are lighter & compact Involve higher initial cost Store smaller quantity of waste heat All of these 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 Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of coal/coke containing a high % of fines and ash All of these Use of fuel having too low an ash fusion temperature Development of hot spots in the fuel bed and an abnormally high rate of gasification Use of coal/coke containing a high % of fines and ash All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the All of these Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature Difference in density between hot and cold gases All of these Furnace pressure in conjunction with draft in flues Change in volume during a change of temperature Difference in density between hot and cold gases ANSWER DOWNLOAD EXAMIANS APP
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