Furnace Technology If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace. Covered Underfired Recirculating Sidefired Covered Underfired Recirculating Sidefired ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Artificial draught produced by a fan in the furnace can be controlled by the All of these Damper Variation in the pitch of fan blades Speed of the fan All of these Damper Variation in the pitch of fan blades Speed of the fan ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Hearth furnaces are not used for Roasting None of these Reheating Melting Roasting None of these Reheating Melting ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology The advantages of firing pulverised coal in the furnace lies in the fact that, it All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption All of these Permits the use of high ash content coal Permits the use of low fusion point ash coal Accelerates the burning rate and economises on fuel consumption ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of High thermal conductivity Neither A nor B Both A and B Low emissivity High thermal conductivity Neither A nor B Both A and B Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Furnace Technology Which of the following accentuates clinker-ing troubles on furnace grate burning coal? Low forced draft & fuel bed temperature All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air Low forced draft & fuel bed temperature All of these Low reactivity of carbonised residue containing high proportion of iron & sulphur Thick firebed and preheated primary air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS