Furnace Technology Thermal efficiency of an open hearth furnace may be about __________ percent. 80 50 20 5 80 50 20 5 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Cement Kiln is a Rotary Kiln Tunnel Kiln Batch furnace Natural draft furnace Rotary Kiln Tunnel Kiln Batch furnace Natural draft furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Amount of coal lost in ash particle, which is carried through the boiler system, depends upon the All of these Type of burner and combustion chamber Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler All of these Type of burner and combustion chamber Physical nature, ash content and fineness of the coal Amount of excess air supplied and load on the boiler ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation Elimination of cold spot at the bottom of the charge Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Portection of the periphery of the charge from excessive radiation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature All of these Thick firebed and preheated primary air Low reactivity of carbonised residue containing high proportion of iron & sulphur Low forced draft & fuel bed temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an Air preheater Steam superheater Economiser All of these Air preheater Steam superheater Economiser All of these ANSWER DOWNLOAD EXAMIANS APP