Due to the questionable mineral content of...

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Question 1 of 2066636eef28f7522a1c51fa63

Due to the questionable mineral content of fresh water taken on from shore as a source of make-up water for diesel engine closed, recirculating cooling water systems, besides chemical treatment and coolant testing, what is the best line of defense in minimizing cooling system problems?

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Question 1 of 20

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🔍 Key Concepts

• Closed, recirculating cooling systems and why keeping outside contaminants out is important • Effects of shore-side fresh water mineral content on scaling and corrosion • Trade-offs between system maintenance practices: leak repair vs. temperature control vs. frequent draining and refilling

💭 Think About

• Which choice best prevents additional poor-quality water from entering the system in the first place, rather than trying to fix problems after they occur? • How do higher or lower cooling water temperatures affect scaling and corrosion, and are they really a primary defense against bad make-up water? • Does draining and refilling more often reduce or increase the chances of introducing more mineral-laden water into the system?

✅ Before You Answer

• Identify which option most directly limits the amount of questionable shore water added over time • Consider whether changing temperature set points is a root-cause control or just a secondary influence on deposits and corrosion • Think about whether more frequent draining/refilling increases exposure to the very mineral problem described in the question

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