In a closed, re-circulating freshwater...

Question 1 / 2066636eef28f7522a1c51f842

Question 1 of 2066636eef28f7522a1c51f842

In a closed, re-circulating freshwater cooling system used for the main engines on your sea-going salvage tug, what function would chemical treatment with nitrites primarily perform?

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Question 1 of 20

66636eef28f7522a1c51f842

In a closed, re-circulating freshwater cooling system used for the main engines on your sea-going salvage tug, what function would chemical treatment with nitrites primarily perform?

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🔍 Key Concepts

• Closed freshwater cooling systems vs. open/raw water systems • Typical uses of nitrite chemical treatments in engine cooling water • Difference between corrosion control, biological control, and changing freezing/boiling points

💭 Think About

• Ask yourself: In engine cooling systems, what are nitrite-based treatments most commonly advertised to protect against? • Which of the listed functions (A–D) are usually handled by additives like glycol (antifreeze) rather than nitrite packages? • Think about what problem would be worst inside steel engine jackets and cooling passages if untreated freshwater was left circulating for months or years.

✅ Before You Answer

• Identify which option is directly related to metal surface protection inside jackets and coolers. • Decide which options (if any) are mainly a side effect rather than the primary purpose of nitrite treatment. • Recall that antifreeze mixtures (like ethylene/propylene glycol) are the usual way to significantly lower freezing point and raise boiling point, not nitrites alone.

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Question 1 of 20

In a closed, re-circulating freshwater cooling system used for the main engines on your sea-going salvage tug, what function would chemical treatment with nitrites primarily perform?

Corrosion inhibition

Biological growth inhibition

Freezing point depression

Boiling point elevation

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Question 1 / 2066636eef28f7522a1c51f842

Question 1 of 2066636eef28f7522a1c51f842

In a closed, re-circulating freshwater cooling system used for the main engines on your sea-going salvage tug, what function would chemical treatment with nitrites primarily perform?

Back

Question 1 of 20

66636eef28f7522a1c51f842

In a closed, re-circulating freshwater cooling system used for the main engines on your sea-going salvage tug, what function would chemical treatment with nitrites primarily perform?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed