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Exams · Certifications · Licensing

Journeyman Plumber Exam

Washington: certificates: practice questions

Our Journeyman Plumber bank has 9 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.

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Question 1 · Washington

Without a qualifying course of study, how much experience does a Washington journey level plumber applicant need?

  1. Two years under any contractor
  2. Eight years as a residential service plumber
  3. Four or more years under a certified journey level plumber
  4. Six months plus a written test
Show the answer

C. Four or more years under a certified journey level plumber — RCW 18.106.040(1)(a).

Question 2 · Washington

Of a Washington plumber's renewal CE hours, how many must relate to electrical safety?

  1. Two
  2. Four
  3. Twelve
  4. Eight
Show the answer

B. Four — RCW 18.106.070(1)(a)(ii).

Question 3 · Washington

How much experience does a Washington residential service plumber applicant need, if they have no qualifying course?

  1. Five or more years
  2. One year
  3. Two or more years
  4. Four or more years
Show the answer

C. Two or more years — RCW 18.106.040(1)(c).

Question 4 · Washington

May a Washington city require a certified plumber to get a local license to work there?

  1. Only for commercial jobs
  2. Yes, every city may license plumbers
  3. Only cities over 50,000 people
  4. No, the state certificate is enough statewide
Show the answer

D. No, the state certificate is enough statewide — RCW 18.106.070(1)(a) and 18.106.150(3).

Question 5 · Washington

How many continuing education hours must a Washington plumber complete each three-year renewal period?

  1. 12 hours
  2. 16 hours
  3. 24 hours
  4. 48 hours
Show the answer

C. 24 hours — RCW 18.106.070(1)(a)(ii).

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