A water-tube boiler can be laid up either...

Question 1 / 205eccefa0bacbc34ba4d47046

Question 1 of 205eccefa0bacbc34ba4d47046

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should __________.

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Question 1 of 20

5eccefa0bacbc34ba4d47046

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should __________.

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🔍 Key Concepts

• Wet lay-up versus dry lay-up of boilers and why oxygen control matters • The purpose of deaerated feedwater in preventing corrosion • What it means to "maintain" a boiler during a lay-up period

💭 Think About

• Which option best prevents oxygen corrosion inside a boiler that is out of service but still kept ready? • How would you keep air from entering the boiler metal surfaces during a wet lay-up? • Which choices mention a stable condition versus frequent draining and refilling, which can introduce more oxygen?

✅ Before You Answer

• Identify which options involve introducing fresh untreated water repeatedly and why that is undesirable • Check which choice mentions deaerated feedwater and think about why removing oxygen is important • Look for the option that keeps the boiler completely full and under slight positive pressure to exclude air

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Question 1 of 20

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should __________.

drain and refill the boiler each week

completely fill the boiler with deaerated feedwater and maintain a slight pressure

completely fill the boiler with water, then blowdown to steaming level

drain and refill the boiler when the pH goes above 6

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Question 1 / 205eccefa0bacbc34ba4d47046

Question 1 of 205eccefa0bacbc34ba4d47046

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should __________.

Back

Question 1 of 20

5eccefa0bacbc34ba4d47046

A water-tube boiler can be laid up either wet or dry. If it is to be laid up wet, you should __________.

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