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Question 1
Which residential pool construction type uses a continuous sprayed mix of cement, sand, and water shot through a hose at high velocity against steel reinforcement?
Correct Answer:
Gunite (pneumatically applied concrete) pool
Question 2
An inspector observes a pool where the interior surface is a single, one-piece molded shell with a smooth, gel-coated finish. Which construction type is this MOST consistent with?
Correct Answer:
Fiberglass pool
Question 3
What is the typical thickness range of a residential vinyl pool liner?
Correct Answer:
20 to 30 mil (0.020 to 0.030 inch)
Question 4
A residential saltwater pool produces its own chlorine through which process?
Correct Answer:
Electrolysis of dissolved sodium chloride to generate hypochlorous acid
Question 5
Which statement BEST describes a residential saltwater pool compared with a traditional freshwater chlorinated pool?
Correct Answer:
The water still contains chlorine, but it is generated on-site from dissolved salt
Question 1
Exam overview

About this Exam

Prepare with the InterNACHI Pool & Spa Inspector Practice Questions - InterNACHI Certified Pool & Spa Inspector Exam practice quiz. This question bank includes 100 questions covering pool, residential, inspector, barrier, and chlorine. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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InterNACHI Pool & Spa Inspector Practice Questions - InterNACHI Certified Pool & Spa Inspector Exam

This practice set contains 100 questions from the matching question bank and focuses on pool, residential, inspector, barrier, and chlorine. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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