Practice test
Ohio Plumbing Practice Test
Free Ohio plumbing practice test with 20 questions on water supply, drain-waste-vent systems, plumbing code basics, and OCILB contractor licensing. Instant scoring.
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These questions are for study practice only and are not official exam questions.
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Question 1
Question 2
Which device prevents contaminated water from being drawn backward into the potable water supply?
Question 3
In Ohio, how much contractor liability insurance must an OCILB plumbing contractor applicant carry?
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