Question 525Steam Plants - Assistant Engineer

70% to pass

In a gravity lube oil system, a sight glass is installed in a line near the operating platform. This line connects the _______________.

Abottom of the gravity tank and the lube oil headers
Bgravity tank overflow and the sump
Cgravity tank overflow and the lube oil headers
Dbottom of the gravity tank and the sump
AI Explanation

The correct answer is B) gravity tank overflow and the sump. In a gravity lube oil system, the sight glass is installed in a line that connects the gravity tank overflow to the sump. This allows the operator to visually monitor the level of oil in the gravity tank and ensure that the system is functioning properly. The sight glass provides a direct indication of the oil level, which is an important safety and operational consideration. The other answer choices are incorrect because they do not accurately describe the purpose and placement of the sight glass in a gravity lube oil system. The sight glass is not connected directly to the lube oil headers (options A and C), nor is it connected between the bottom of the gravity tank and the sump (option D).

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