VIP Exclusive
CWS Certified Water Specialist VIP Practice Exam
CWS — The Certified Water Specialist (CWS) credential is issued by the Water Quality Association (WQA); candidates must pass a proctored exam covering water chemistry, treatment technologies, system design, troubleshooting, and regulatory standards, with passing typically set at 70% and exams available at Levels I–VI.
29
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 29👑 VIP
A residential customer reports that their new water softener is consuming salt at roughly twice the rate specified in the manual, yet a post-softener hardness test still shows 3 grains per gallon (GPG). The pre-softener hardness is 25 GPG, the unit is rated for 30,000 grains, and it regenerates based on a time-clock controller set to every two days. Which explanation BEST accounts for both symptoms simultaneously?
Questions 2–29 and full explanations are VIP-exclusive.