__________ ton of coke is required in a cupola to produce one ton of casting.
A. 0.03
B. 0.3
C. 0.8
D. 1.5
Answer:A
__________ ton of coke is required in a cupola to produce one ton of casting.
A. 0.03 B. 0.3 C. 0.8 D. 1.5