Furnace Technology Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace? Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature Reduction in scale losses Increase in calorific value of the fuel Saving in fuel consumption Increase in flame temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Power required in case of forced draught as compared to induced draught (for the same draught produced) is Either more or less; depends on the flue gas density Answer: Option B Same Less More Either more or less; depends on the flue gas density Answer: Option B Same Less More ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Tunnel kilns are usually used for Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs Melting of glass Drying/tempering of refractories Roasting of pyrites Reheating of slabs ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Thick firebed and preheated primary air Low forced draft & fuel bed temperature Low reactivity of carbonised residue containing high proportion of iron & sulphur All of these Thick firebed and preheated primary air Low forced draft & fuel bed temperature ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The rate of scaling of furnace stock depends upon the Time All of these Nature of atmosphere Temperature Time All of these Nature of atmosphere Temperature 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