Furnace Technology In a furnace operation, which is not preheated? Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B Solid fuels Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Means for giving direction to the circulation of gases in furnaces are Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces Fans All of these Location of outlet ports and heating & combustion devices Arrangement of heating stock in the furnaces Fans All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Low frequency induction High frequency induction Arc Resistance Low frequency induction High frequency induction Arc Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades 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. 45-50 44119 25-30 65-70 45-50 44119 25-30 65-70 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Fire tube Water tube Waste heat Natural circulation Fire tube Water tube Waste heat Natural circulation ANSWER DOWNLOAD EXAMIANS APP
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