Question 136General Subjects - 1st Asst/Chief
70% to passOn a bearing using an oiling ring as means of static oil feed, unless adverse conditions would indicate otherwise, how often should the oil be completely changed at a minimum?
AWeekly
BMonthly
CQuarterly
DAnnually
AI Explanation
The correct answer is D) Annually. On a bearing using an oiling ring as a means of static oil feed, the oil should be completely changed at a minimum of once per year, unless adverse conditions would indicate otherwise. This is the general recommendation and best practice for this type of bearing system, as the oil can gradually degrade and become contaminated over time, necessitating an annual oil change to maintain proper lubrication and bearing health. The other options are incorrect because weekly (A) or monthly (B) oil changes would be unnecessarily frequent for this type of system, while quarterly (C) changes may not be sufficient to prevent oil degradation over the course of a full year of operation.
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