The discharge head of a centrifugal pump...

Question 1 / 205eccef9bbacbc34ba4d4542a

Question 1 of 205eccef9bbacbc34ba4d4542a

The discharge head of a centrifugal pump will vary directly with the __________.

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Question 1 of 20

5eccef9bbacbc34ba4d4542a

The discharge head of a centrifugal pump will vary directly with the __________.

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🔍 Key Concepts

• Centrifugal pump affinity laws that relate head, flow, and power to impeller diameter and speed • How head (pressure energy) changes when you change only the impeller diameter, keeping speed constant • The difference between a quantity varying directly, with the square, or with the cube of another quantity

💭 Think About

• If you increase the impeller diameter by 10%, how would the discharge head change according to pump affinity laws? Would it increase by 10%, 21%, or 33%? • Think about which pump performance variable (flow, head, or power) is associated with a square relationship in the affinity laws. • Which of the options describes a relationship that matches standard textbook pump curves for changing impeller diameter at constant speed?

✅ Before You Answer

• Review the pump affinity laws: how head (H) relates to impeller diameter (D) when speed is constant • Confirm which variable is associated with the square of diameter and which with the cube of diameter • Make sure you focus on discharge head, not flow rate or power, when matching the relationship to the choices

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Question 1 of 20

The discharge head of a centrifugal pump will vary directly with the __________.

change in impeller diameter

square of the impeller diameter

cube of the impeller diameter

impeller efficiency for large changes in the size of the impeller

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Question 1 / 205eccef9bbacbc34ba4d4542a

Question 1 of 205eccef9bbacbc34ba4d4542a

The discharge head of a centrifugal pump will vary directly with the __________.

Back

Question 1 of 20

5eccef9bbacbc34ba4d4542a

The discharge head of a centrifugal pump will vary directly with 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