A. Soaking pit
B. Open hearth furnace
C. Coke ovens
D. None of these
An example of recuperative furnace is the__________________? Read More »
Furnace Technology A. Coke oven heating chamber
B. Open hearth furnace
C. Both A. and B.
D. Neither A. nor B.
Which is a regenerative furnace ? Read More »
Furnace Technology A. More of excess air
B. Less of excess air
C. More of CO in flue gas
D. More of CO2 in flue gas
A. Emissivity of the refractory walls
B. Size of the furnace
C. Use of waste heat recovery equipments
D. Thickness of the stock
A. Protect the charge from the effects of the products of combustion
B. Smooth out temperature inequalities on the combustion side of the muffle wall
C. Both A. & B.
D. Neither A. nor B.
The main function of a muffle in the muffle furnace is to__________________? Read More »
Furnace Technology 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.
In a furnace operation, which is not preheated ? Read More »
Furnace Technology A. Pulverised coal
B. Furnace oil
C. Blast furnace gas/mixed gas
D. Coke oven gas
Fuel used in B.F. stove is______________________? Read More »
Furnace Technology A. Roasting/reduction of ores
B. Annealing steel coil
C. Heating air
D. Steel melting
Reverberatory furnace is used for_____________________? Read More »
Furnace Technology A. Coke oven
B. Blast furnace stoves
C. Beehive coke oven
D. High pressure boiler
Which furnace employs an I.D. fan for the removal of flue gases from the furnace ? Read More »
Furnace Technology A. Rotary Kiln
B. Tunnel Kiln
C. Natural draft furnace
D. Batch furnace
Cement Kiln is a___________________? Read More »
Furnace Technology