MCQOPTIONS
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| 1. |
A journal of 120 mm diameter rotates in a bearing at a speed of 1000 rpm. What is the power lost during friction if 8 kN radial load acts on the journal and coefficient of friction is 2.525 x 10? |
| A. | 0.126 kW |
| B. | 0.253 KW |
| C. | 2.365 kW |
| D. | 7.615 kW |
| Answer» B. 0.253 KW | |