Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 44119 45-50 25-30 65-70 44119 45-50 25-30 65-70 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The reason for excessive clinker formation in gas producers is the 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 Use of fuel having too low an ash fusion temperature All of these 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 Use of fuel having too low an ash fusion temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace. Tunnel Walking beam Rotary hearth Shaft Tunnel Walking beam Rotary hearth Shaft ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Steam generation in waste heat boilers Preheating of cold stock Preheating of combustion air All of these Steam generation in waste heat boilers Preheating of cold stock Preheating of combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology __________ furnace is not an electric furnace. Pot Induction Arc Resistance Pot Induction Arc Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The resistance furnace produces heat by the Combination of induced current and skin effect Flow of current through a heating element Electric arc struck between electrodes and the charge None of these Combination of induced current and skin effect Flow of current through a heating element Electric arc struck between electrodes and the charge None of these ANSWER DOWNLOAD EXAMIANS APP