Scale formation on the waterside of boiler...

Question 1 / 205eccefa0bacbc34ba4d46fb5

Question 1 of 205eccefa0bacbc34ba4d46fb5

Scale formation on the waterside of boiler tubes is generally produced by __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46fb5

Scale formation on the waterside of boiler tubes is generally produced by __________.

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🔍 Key Concepts

• Boiler water scale vs. corrosion – know the difference in cause and appearance • Common hardness compounds in water treatment and how they behave when heated in boilers • How boiler water treatment chemicals (like phosphates) are supposed to work

💭 Think About

• Ask yourself: which substance is most directly responsible for hard, insulating deposits when boiler water is heated and evaporated? • Think about which option describes something that normally prevents scale rather than causing it. • Consider the typical minerals in ‘hard’ feed water and what they do inside a high‑pressure boiler when temperature and concentration increase.

✅ Before You Answer

• Identify which choice is associated with water hardness (a classic source of scale). • Separate in your mind: which options are mainly linked to corrosion (pitting, rusting) rather than solid scale buildup? • Recall that some chemicals are added specifically to control hardness and keep it in suspension, not to form hard scale on tubes.

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Question 1 of 20

Scale formation on the waterside of boiler tubes is generally produced by __________.

the salts of calcium and magnesium

metal oxides in the waterside

dissolved oxygen in the waterside

accumulations of phosphates in the feed water

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Question 1 / 205eccefa0bacbc34ba4d46fb5

Question 1 of 205eccefa0bacbc34ba4d46fb5

Scale formation on the waterside of boiler tubes is generally produced by __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d46fb5

Scale formation on the waterside of boiler tubes is generally produced by __________.

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