Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Excessive fly ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades Higher power consumption in its transportation Excessive fly ash discharge from the stack Ash disposal problem Erosion of induced draft fan blades Higher power consumption in its transportation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Thoria Graphite powder Zircon powder Beryllium Thoria Graphite powder Zircon powder Beryllium ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators are installed in Open hearth furnace Coke ovens Both A & B Neither A nor B Open hearth furnace Coke ovens Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Specific heating capacity of a furnace is expressed as Weight heated/hr None of these Weight heated/hr/furnace volume Weight heated/furnace volume Weight heated/hr None of these Weight heated/hr/furnace volume Weight heated/furnace volume ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above __________ °C. 850 250 650 1000 850 250 650 1000 ANSWER DOWNLOAD EXAMIANS APP