Engine_2014 : General Subjects - 61/3524
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| A grease lubricated ball bearing or roller bearing will run cooler if the grease __________ . |
| A) fills only 10% of all void spaces within the bearing |
| B) has a high grease penetration number (is hard) |
| C) is thinned with a suitable lubricating oil |
| D) is heated prior to packing the bearing |
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