Question 39Steam Plants - QMED

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What statement is true concerning the illustrated steam turbine bearing lubricating oil flow and temperature indicating device? Illustration SE-0010

Diagram for USCG Steam Plants QMED: What statement is true concerning the illustrated steam turbine bearing...
AThe thermometer indicates the temperature of the oil leaving the bearing and the sight glass indicates the flow of the oil leaving the bearing as well.
BThe thermometer indicates the temperature of the oil entering the bearing and the sight glass indicates the flow of the oil entering the bearing as well.
CThe thermometer indicates the temperature of the oil entering the bearing and the sight glass indicates the flow of the oil leaving the bearing.
DThe thermometer indicates the temperature of the oil leaving the bearing and the sight glass indicates the flow of the oil entering the bearing.
AI Explanation

The correct answer is A. The thermometer indicates the temperature of the oil leaving the bearing, and the sight glass indicates the flow of the oil leaving the bearing as well. This is because the purpose of the lubricating oil flow and temperature indicating device is to monitor the condition of the oil after it has passed through the bearing, providing information about the oil's temperature and flow rate as it exits the bearing. The other options are incorrect because they do not accurately describe the purpose and function of the components shown in the illustration. The thermometer and sight glass are specifically designed to monitor the oil as it leaves the bearing, not as it enters.

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Official Resources
46 CFR Machinery & Electrical 46 CFR Engineering USCG National Maritime Center
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