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The correct composition of Babbit metal is | |
A. | 87.75% Sn, 4% Cu, 8% Sb, 0.25% Bi [Correct Answer] |
B. | 90% Sn, 2% Cu, 4% Sb, 2% Bi, 2% Mg [Wrong Answer] |
C. | 87% Sn, 4% Cu, 8% Sb, 1% Al [Wrong Answer] |
D. | 82% Sn, 4% Cu, 8% Sb, 3% Al, 3% Mg [Wrong Answer] |
E. | none of the above. [Wrong Answer] |