

MCQOPTIONS
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1. |
Gun metal which is used in Journal bearing contains |
A. | 88% Cu, 10% Sn, 2% Zn |
B. | 80% Cu, 10% Zn, 10% Al |
C. | 85% Cu, 5% Mg, 10% Al |
D. | 85% Cu, 5% Sn, 10% Pb |
Answer» B. 80% Cu, 10% Zn, 10% Al | |