Question 42Steam Plants - QMED
70% to passAccording to the illustrated lubricating oil system diagram, which of the labeled items would be used to manually strip out the sludge from the bottom of the main lube oil sump prior to entry for cleaning? Illustration SE-0011
AG
BM
CN
DD
AI Explanation
The correct answer is C) N. The lubricating oil system diagram indicates that item N, labeled as the "Sump Drain Valve", would be used to manually strip out the sludge from the bottom of the main lube oil sump prior to entry for cleaning. This is because the sump drain valve provides a direct access point to the bottom of the sump, allowing the sludge and contaminants to be drained out before personnel enter the sump for cleaning and inspection. The other options, A) G, B) M, and D) D, are not the correct components for this task, as they serve different functions in the lubricating oil system, such as oil filtering, pressure regulation, and supply to various engine components, rather than draining the sump.
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