MCQOPTIONS
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| 1. |
_______________________ is a nut in which a collar is provided at the upper end of the hexagonal nut and a fiber ring is fitted inside it. |
| A. | Simmond’s locknut |
| B. | Penn nut |
| C. | Castle nut |
| D. | Sawn nut or wiles nut |
| Answer» B. Penn nut | |