Certified Pump Installer Exam Prep
Free practice questions

Free CPI Practice Questions

10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.

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The CPI exam has 100 questions and runs 2 hours.

These 10 free CPI questions are organized by exam domain, so you can see how each part of the Certified Pump Installer blueprint is tested. Reveal the answer and explanation under each question.

Domain 1: Determine Client Needs

Question 1

A homeowner reports that the current pump cannot meet household demand after adding occupants. Before selecting equipment, which information is MOST important?

Show answer & explanation

Correct answer: B - Number of occupants and expected water demand

Domain 2: Assess Job Site

Question 2

During a site assessment, a proposed trench route may cross underground utilities. What should the installer do FIRST?

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Correct answer: B - Verify utility locations before trenching

Domain 3: Determine System Component Requirements

Question 3

A well test shows the source cannot reliably provide the planned system flow. Which design element should be reconsidered first?

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Correct answer: A - Pump selection and sizing

Question 4

When selecting wire size for a pump motor installation, which factor is most important?

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Correct answer: A - Motor electrical requirements and installation conditions

Domain 4: Prepare to Install the Pump

Question 5

A scheduled installation cannot proceed because required components are missing. Which preparation step would have prevented this?

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Correct answer: A - Inventory verification before scheduling

Domain 5: Install Pump System

Question 6

Why should an installer record pump and motor information after installation?

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Correct answer: B - To provide an accurate service history

Question 7

After installing a pump system, which action verifies correct operation before completion?

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Correct answer: A - Perform system testing

Question 8

A motor lead is connected to drop cable. Which practice best supports long-term reliability?

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Correct answer: A - Use an appropriate splice method

Question 9

Why is sterilization performed after a new pump installation?

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Correct answer: B - To reduce installation-related contamination

Domain 6: Troubleshoot Existing Pump System

Question 10

A homeowner reports rapid pump cycling. What should the installer evaluate first?

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Correct answer: A - Observe operation and pressure-cycle conditions

The rest of the CPI blueprint

The CPI exam also covers these domains. Drill them in the full free practice test:

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