Furnace Technology The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace. Low frequency induction Arc Resistance High frequency induction Low frequency induction Arc Resistance High frequency induction 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 The advantages of firing pulverised coal in the furnace lies in the fact that, it Permits the use of low fusion point ash coal Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel consumption Permits the use of low fusion point ash coal Permits the use of high ash content coal All of these Accelerates the burning rate and economises on fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Regenerators compared to the recuperators for the same duty Occupy more space Are of smaller size Are less costly All of these Occupy more space Are of smaller size Are less costly All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner Preheating the primary air Drying of coal Transportation of coal Combustion of coal by supplying it around the burner ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In salt bath furnace, heat is transferred to the charge mainly by Convection Conduction None of these Radiation Convection Conduction None of these Radiation ANSWER DOWNLOAD EXAMIANS APP
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