Furnace Technology Higher furnace temperature can not be achieved by use of a lean fuel gas in the furnace by Preheating the combustion air Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the fuel gas Preheating the combustion air Oxygen enrichment of combustion air Increasing the draft in the furnace Preheating the fuel gas ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which furnace employs natural draft? Boiler Coke oven L.D. converter Rotary kilns Boiler Coke oven L.D. converter Rotary kilns 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? Ash disposal problem Erosion of induced draft fan blades Excessive fly ash discharge from the stack Higher power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly ash discharge from the stack Higher power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Use of pulverised coal in boilers provides Smokeless burning Higher calorific value Less erosion on furnace wall Better combustion Smokeless burning Higher calorific value Less erosion on furnace wall Better combustion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is a regenerative furnace? Coke oven heating chamber Open hearth furnace Neither A nor B Both A and B Coke oven heating chamber Open hearth furnace Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In practical operation of any furnace, zero oxygen percentage or theoretical CO₂ percentage in flue gas is rarely achieved, because of Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air Imperfect mixing of fuel & air and infiltration of air Use of pulverised solid fuels Use of excessive positive draft in the furnace Use of non-preheated combustion air ANSWER DOWNLOAD EXAMIANS APP
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