Furnace Technology Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about __________ percent. 45-50 25-30 65-70 44119 45-50 25-30 65-70 44119 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rotary kilns are used in the Cement manufacture Both A and B Calcination of limestone & dolomite Neither A nor B Cement manufacture Both A and B Calcination of limestone & dolomite Neither A nor B 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
Furnace Technology Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure Furnace employing neutral atmosphere Reducing atmosphere Carbon resistance furnace Furnace employing negative pressure Furnace employing neutral atmosphere ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element Induction and resistance None of these Combination of induced current and skin effect Current flow through a heating element ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not accomplished in an underfired furnace? Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases Increase in heating capacity/m² of floor space Elimination of cold spot at the bottom of the charge Portection of the periphery of the charge from excessive radiation Reduction in the temperature of furnace gases ANSWER DOWNLOAD EXAMIANS APP
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