MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the co-efficient of friction for lubricant? |
| A. | C<sub>f</sub> = ( frac{ZN}{P} ) |
| B. | C<sub>f</sub> = ( frac{PN}{Z} ) |
| C. | C<sub>f</sub> = ( frac{ZP}{N} ) |
| D. | C<sub>f</sub> = ZPN |
| Answer» B. C<sub>f</sub> = ( frac{PN}{Z} ) | |