An example of recuperative furnace is the__________________?
An example of recuperative furnace is the__________________? A. Soaking pit B. Open hearth furnace C. Coke ovens D. None of these
An example of recuperative furnace is the__________________? A. Soaking pit B. Open hearth furnace C. Coke ovens D. None of these
Which is a regenerative furnace ? A. Coke oven heating chamber B. Open hearth furnaceC. Both A. and B. D. Neither A. nor B.
In order to maintain an oxidising atmosphere in a furnace, it should have__________________? A. More of excess air B. Less of excess air C. More of CO in flue gas D. More of CO2 in flue gas
Heat transfer rate to the stock/charge in the furnace does not depend upon the________________? A. Emissivity of the refractory walls B. Size of the furnaceC. Use of waste heat recovery equipments D. Thickness of the stock
The main function of a muffle in the muffle furnace is to__________________? A. Protect the charge from the effects of the products of combustion B. Smooth out temperature inequalities on the combustion side of the muffle wallC. Both A. &…
In a furnace operation, which is not preheated ? A. Solid fuels B. Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.)C. Both A. and B. D. Neither A. nor B.
Fuel used in B.F. stove is______________________? A. Pulverised coal B. Furnace oilC. Blast furnace gas/mixed gas D. Coke oven gas
Reverberatory furnace is used for_____________________? A. Roasting/reduction of ores B. Annealing steel coil C. Heating air D. Steel melting
Which furnace employs an I.D. fan for the removal of flue gases from the furnace ? A. Coke oven B. Blast furnace stoves C. Beehive coke ovenD. High pressure boiler
Cement Kiln is a___________________? A. Rotary Kiln B. Tunnel Kiln C. Natural draft furnace D. Batch furnace