The minimum design height of the DC heater...

Question 1 / 205eccef9cbacbc34ba4d457aa

Question 1 of 205eccef9cbacbc34ba4d457aa

The minimum design height of the DC heater is determined by the _______.

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Question 1 of 20

5eccef9cbacbc34ba4d457aa

The minimum design height of the DC heater is determined by the _______.

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🔍 Key Concepts

• Function of a DC (de-aerating) heater in the feedwater system • Relationship between static head (elevation), suction conditions, and pump performance • Meaning of net positive suction head (NPSH) for a centrifugal pump

💭 Think About

• Which component in the system is most sensitive to having enough pressure at its suction to avoid cavitation and loss of capacity? • How does the physical height of the DC heater above the next piece of equipment affect the pressure at that equipment’s suction? • Which of the listed choices would directly depend on elevation head, rather than on temperature control or gas properties?

✅ Before You Answer

• Be clear on what NPSH (Net Positive Suction Head) is and which piece of equipment needs it. • Identify which answer choices relate to pressure at pump suction vs those that relate mainly to temperature or gas conditions. • Confirm in your mind that increasing height of a tank above a pump increases static suction head and helps prevent cavitation.

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Question 1 of 20

The minimum design height of the DC heater is determined by the _______.

dew point temperature of the stack gases

minimum net positive suction head required by the main feed pump

maximum condensate pump discharge pressure

desuperheater outlet temperature

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Question 1 / 205eccef9cbacbc34ba4d457aa

Question 1 of 205eccef9cbacbc34ba4d457aa

The minimum design height of the DC heater is determined by the _______.

Back

Question 1 of 20

5eccef9cbacbc34ba4d457aa

The minimum design height of the DC heater is determined by the _______.

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