Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Resistance High frequency induction Low frequency induction Arc Resistance High frequency induction Low frequency induction Arc ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Very high pressure boilers are usually __________ boilers. Natural circulation Water tube Waste heat Fire tube Natural circulation Water tube Waste heat Fire tube 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 Amount of excess air supplied and load on the boiler Type of burner and combustion chamber Physical nature, ash content and fineness of the coal All of these Amount of excess air supplied and load on the boiler Type of burner and combustion chamber Physical nature, ash content and fineness of the coal ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Neither A nor B Both A and B Low emissivity High thermal conductivity Neither A nor B Both A and B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Maximum thermal efficiency of boiler may be about __________ percent. 25 10 65 90 25 10 65 90 ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which is not a hearth furnace? Glass tank furnace Cupola Open hearth furnace Reheating furnace Glass tank furnace Cupola Open hearth furnace Reheating furnace ANSWER DOWNLOAD EXAMIANS APP
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