Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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Is it true that the operating temperature of lubricating oil in steam condensing engine bearings is typically around 200°F?

True
False

The correct answer is: False

The correct response is based on the understanding that the operating temperature for lubricating oil in steam condensing engine bearings generally falls within the range of 120°F to 180°F. While it can vary depending on specific engine designs and operating conditions, 200°F would be considered on the higher end and might lead to potential issues such as decreased oil viscosity, increased wear, or oil degradation if consistently maintained at that level. In practical scenarios, temperatures around 200°F could indicate that the engine is running at higher than optimal oil temperatures, potentially causing concern for the lubrication system. This contextual knowledge is vital for ensuring the reliability and longevity of the engine components. Therefore, stating that the operating temperature is typically around 200°F does not align with common engineering practices for steam condensing engines.