How much should fuel oil be added to increase the moulding ability of sand?
A. 0.01% – 0.1%
B. 0.02% – 0.2%
C. 0.03% – 0.3%
D. 0.04% – 0.4%
Answer:A
How much should fuel oil be added to increase the moulding ability of sand?
A. 0.01% – 0.1% B. 0.02% – 0.2% C. 0.03% – 0.3% D. 0.04% – 0.4%