Engine : General Subjects - 82/1128
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| Which of the following statements describes the characteristics of precision manufactured roller bearings? |
| A) They have a relatively high power loss due to friction. |
| B) They are not capable of maintaining alignment over long periods of time. |
| C) Their lubrication is complicated and requires constant attention. |
| D) They are well adapted to variable speed operation. |
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| Sakthi mano - 2021-11-28 08:28:20 Registered (1) |
| What is first aid |