Furnace Technology Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. 40 20 65 80 40 20 65 80 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? Erosion of induced draft fan blades Excessive fly ash discharge from the stack Higher power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly ash discharge from the stack Higher power consumption in its transportation Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Melting None of these Roasting Reheating Melting None of these Roasting Reheating ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology To reduce the stack loss, heat recovery from flue gas can be done by Preheating of cold stock Steam generation in waste heat boilers All of these Preheating of combustion air Preheating of cold stock Steam generation in waste heat boilers All of these Preheating of combustion air ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology If fuel and air are mixed ahead of the burner, it is called a/an __________ burner. Premix Rotary Diffusion Outside mixing type Premix Rotary Diffusion Outside mixing type ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology In a muffle furnace, the muffle Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge Retards the heat transfer All of these Permits the use of controlled atmosphere for the protection of stock Assists in temperature equalisation in the charge Retards the heat transfer All of these ANSWER DOWNLOAD EXAMIANS APP
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