A. L.D. converter
B. Glass melting tank
C. Blast furnace
D. Soaking pit
Related Mcqs:
- In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the__________________?
A. Rate of firing and emissivity of flame
B. Thermal conductivity of the charge & structural materials of furnace
C. Nature of process; whether batch, continuous or intermittent
D. All A., B. and C. - Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percent furnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C ?
A. 5
B. 60
C. 20
D. 40 - The resistance furnace produces heat by the__________________?
A. Electric arc struck between electrodes and the charge
B. Flow of current through a heating element
C. Combination of induced current and skin effect
D. None of these - An example of a periodic furnace is the__________________?
A. Blast furnace stoves
B. Blast furnace
C. Coke oven heating chamber
D. Rotary kilns - An example of recuperative furnace is the__________________?
A. Soaking pit
B. Open hearth furnace
C. Coke ovens
D. None of these - Furnace pressure is normally controlled by regulating the__________________?
A. Air pressure
B. Fuel gas pressure
C. Speed of I.D. fan
D. Damper - An improved and fuel efficient version of the pusher type reheating furnace is the ______________ furnace?
A. Walking beam
B. Shaft
C. Tunnel
D. Rotary hearth - While the fuel fired furnace can be used upto a maximum temperature of about 1700°C, the electric furnace can be used upto a temperature of about _____________ °C?
A. 2000
B. 3000
C. 4500
D. 6000 - Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of_________________?
A. Graphite powder
B. Thoria
C. Zircon powder
D. Beryllium - _____________ furnace is not an electric furnace?
A. Arc
B. Induction
C. Pot
D. Resistance
