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Q. |
According to ASTM E709-95, Table 3., alternating current electromagnetic yokes must have a lifting force of at least: |
A. | 3.0 kg (7 lb) |
B. | 3.5 kg (8 lb) |
C. | 4.0 kg (9 lb) |
D. | 4.5 kg (10 lb) |
Answer» D. 4.5 kg (10 lb) |
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