Furnace Technology In low or standard frequency induction furnace, heat is produced by the Induction and resistance Current flow through a heating element Combination of induced current and skin effect None of these Induction and resistance Current flow through a heating element Combination of induced current and skin effect None of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology An electric furnace producing heat by means of an electric arc struck between each of three electrodes and the charge is called __________ furnace. Arc None of these Resistance Low frequency induction Arc None of these Resistance Low frequency induction ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Diffusion Outside mixing type Rotary Premix Diffusion Outside mixing type Rotary ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Circulation of gases in furnace is caused by the Difference in density between hot and cold gases Change in volume during a change of temperature All of these Furnace pressure in conjunction with draft in flues Difference in density between hot and cold gases Change in volume during a change of temperature All of these Furnace pressure in conjunction with draft in flues ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a furnace operation, which is not preheated? Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) Neither A nor B Solid fuels Both A and B Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.) ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Fuel economy in furnaces can be achieved by Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors Preheating the combustion air All of these Using oxygen enriched combustion air Reducing the heat loss through furnace openings & doors Preheating the combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
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