Furnace Technology Fuel economy in furnaces can be achieved by Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these Reducing the heat loss through furnace openings & doors Preheating the combustion air Using oxygen enriched combustion air All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is a directly fired intermittant furnace? Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln Reverberatory furnace Tower furnace Walking beam reheating furnace Tunnel kiln 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. Low frequency induction None of these Arc Resistance Low frequency induction None of these Arc Resistance ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Rotary Outside mixing type Diffusion Premix Rotary Outside mixing type Diffusion Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Melting Reheating None of these Roasting Melting Reheating None of these Roasting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following variables affects the furnace capacity? Thickness of heating stock Temperature of flue gas All of these Thermal conductivity of stock Thickness of heating stock Temperature of flue gas All of these Thermal conductivity of stock ANSWER DOWNLOAD EXAMIANS APP