A. Ingots
B. Slabs
C. Steel coils
D. Steel sheets
A. Pulverised coal
B. Furnace oil
C. Blast furnace gas/mixed gas
D. Coke oven gas
A. Waste heat recovery from flue gas
B. Minimising heat losses from furnace walls
C. Maintaining proper draught
D. All A., B. and C.
A. Economiser
B. Regenerator
C. Ceramic recuperator
D. Waste heat boiler
A. Occupy more space
B. Are less costly
C. Are of smaller size
D. All A., B. and C.
A. Walking beam reheating furnace
B. Reverberatory furnace
C. Tower furnace
D. Tunnel kiln
A. 50
B. 100
C. 150
D. 250