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Journeyman Plumber Exam

Minnesota: licenses: practice questions

Our Journeyman Plumber bank has 5 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1 · Minnesota

In Minnesota towns under what population may a restricted master plumber be in charge of a plumbing business?

  1. Fewer than 1,500
  2. Fewer than 5,000
  3. Fewer than 10,000
  4. Fewer than 50,000
Show the answer

B. Fewer than 5,000 — 326B.46 subd. 1(b), by the last federal census.

Question 2 · Minnesota

Who issues Minnesota master and journeyworker plumber licenses?

  1. The Minnesota Pollution Control Agency's plumbing unit
  2. The Minnesota Department of Health
  3. The commissioner of labor and industry
  4. Each city's building official
Show the answer

C. The commissioner of labor and industry — 326B.46 subd. 1(a).

Question 3 · Minnesota

When may a Minnesota homeowner do their own plumbing without a license?

  1. Only with a journeyworker on site
  2. Never; all plumbing needs a licensed plumber
  3. On premises they own and live in, if local ordinance doesn't forbid it
  4. On any property they own, including rentals
Show the answer

C. On premises they own and live in, if local ordinance doesn't forbid it — 326B.46 subd. 1(a).

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