Practise Certified Water Technologist (CWT) Exam with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.

Exam outline and official sources

Association of Water Technologies (AWT) · Current AWT Exam Candidate Handbook, identified by AWT as revised October 2026. Section 3A supplies the examination content outline; no separate outline effective date or numerical domain weights are stated. The assigned workbook label matches the verified credential.

This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.

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Certified Water Technologist (CWT) Exam

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Two makeup waters both have pH 8.2. Water X has alkalinity of 35 mg/L as CaCO3; water Y has alkalinity of 180 mg/L as CaCO3. Which conclusion is best supported?

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