Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Rotary Outside mixing type Premix Diffusion Rotary Outside mixing type Premix Diffusion ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In producer gas making furnace, steam is added along with air to mainly control the V. of producer gas Temperature of producer gas Tar content in producer gas Fusion of coal ash & clinker formation V. of producer gas Temperature of producer gas Tar content in producer gas Fusion of coal ash & clinker formation ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Presence of SO₂ in furnace gases attacks the ferrous metal by way of Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling Causing metal embrittlement All of these Attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature Accelerating the rate of scaling ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Operation of blast furnace stove is based on the principles of a __________ furnace. Regenerative Recuperative Both A and B Neither A nor B Regenerative Recuperative Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Ostwald charts are meant for Computing the excess/deficiency of combustion air None of these Calculation of flue gas temperature Computation of flue gas analysis Computing the excess/deficiency of combustion air None of these Calculation of flue gas temperature Computation of flue gas analysis ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing? Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades Higher power consumption in its transportation Ash disposal problem Excessive fly ash discharge from the stack Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP