Which of the following listed valves would...

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Question 1 of 205eccef9bbacbc34ba4d453e0

Which of the following listed valves would require "blow down" to insure proper operation and prevent damage due to repeated and rapid opening and closing?

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5eccef9bbacbc34ba4d453e0

Which of the following listed valves would require "blow down" to insure proper operation and prevent damage due to repeated and rapid opening and closing?

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🔍 Key Concepts

• Differences between pressure-relief, safety, and pressure-reducing/regulating valves • Purpose of a blowdown setting (the pressure drop between opening and reseating) • Which valve is used primarily for boiler overpressure protection and needs a specific blowdown to avoid rapid chatter

💭 Think About

• Think about which valve protects equipment from dangerous overpressure rather than just controlling or reducing normal operating pressure. • Which of these valves must open fully and then close only after pressure has dropped sufficiently to avoid rapid opening and closing (chattering)? • In a boiler system, which valve’s proper operation depends heavily on the difference between set pressure and reseating pressure?

✅ Before You Answer

• Identify which option is designed specifically for sudden, full-open protection against overpressure (not just gradual control). • Recall that blowdown is the intentional difference between opening and closing pressures; match that to the valve type that must avoid rapid cycling. • Eliminate any valve whose main job is to control or reduce pressure during normal operations, not strictly to protect against dangerous overpressure.

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Question 1 of 205eccef9bbacbc34ba4d453e0

Which of the following listed valves would require "blow down" to insure proper operation and prevent damage due to repeated and rapid opening and closing?

Back

Question 1 of 20

5eccef9bbacbc34ba4d453e0

Which of the following listed valves would require "blow down" to insure proper operation and prevent damage due to repeated and rapid opening and closing?

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?

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