Furnace Technology Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of Zircon powder Graphite powder Beryllium Thoria Zircon powder Graphite powder Beryllium Thoria ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these Accelerating the rate of scaling Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Causing metal embrittlement All of these ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Advantages of use of preheated combustion air are Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses Increase in flame temperature Saving in fuel consumption All of these Reduction in scale losses ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is not a directly fired furnace? By-product coke oven Sintering furnace Calcination kiln Open hearth furnace By-product coke oven Sintering furnace Calcination kiln Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Outside mixing type Rotary Diffusion Premix Outside mixing type Rotary Diffusion Premix ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Rate of heat release in a furnace, which is the measure of heat intensity is defined as None of these Kcal/hr/m³ combustion space Kcal/m³ combustion space Kcal/hr None of these Kcal/hr/m³ combustion space Kcal/m³ combustion space Kcal/hr ANSWER DOWNLOAD EXAMIANS APP