Theoretically, a double suction impeller is...

Question 1 / 205eccef9bbacbc34ba4d45435

Question 1 of 205eccef9bbacbc34ba4d45435

Theoretically, a double suction impeller is in hydraulic axial balance. In actuality this balance is rarely achieved due to __________.

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Question 1 of 20

5eccef9bbacbc34ba4d45435

Theoretically, a double suction impeller is in hydraulic axial balance. In actuality this balance is rarely achieved due to __________.

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🔍 Key Concepts

• Double-suction centrifugal pump impellers and how they are designed to balance axial thrust • How flow conditions at each suction eye affect forces on the impeller • The difference between theoretical design balance and real-world operating conditions

💭 Think About

• Think about what must be TRUE at both suction eyes for the impeller to stay in axial balance. What real-world condition could disturb this? • Consider which choices directly change the hydraulic forces on each side of the impeller, and which are more related to mechanical design or sealing arrangements. • Ask yourself: which option would cause one side of the impeller to ‘pull’ harder than the other, even if the impeller was designed to be balanced?

✅ Before You Answer

• Identify which options affect hydraulic flow into the impeller versus those that affect mechanical parts like bearings or stuffing boxes. • Verify which factor would create a difference in pressure or velocity at one suction eye compared to the other. • Eliminate any answer that doesn’t directly change the axial hydraulic thrust on the impeller faces.

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Question 1 of 20

Theoretically, a double suction impeller is in hydraulic axial balance. In actuality this balance is rarely achieved due to __________.

an unbalanced force exerted from the direction of the impeller nearest the driving motor

unequal or non-uniform flow to the suction eyes of the impeller housing

excessive sealing water flow to the stuffing box

flexible shaft design which causes rapid wear of the outboard shaft bearing

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Question 1 / 205eccef9bbacbc34ba4d45435

Question 1 of 205eccef9bbacbc34ba4d45435

Theoretically, a double suction impeller is in hydraulic axial balance. In actuality this balance is rarely achieved due to __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d45435

Theoretically, a double suction impeller is in hydraulic axial balance. In actuality this balance is rarely achieved due to __________.

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