Plumber Interview Questions

28 Plumber Questions and Answers By Rachelle Enns

Question 2 of 28

What would have to change about your current job, for you to stay where you are?

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List of 28 Plumber Interview Questions & Answers

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  1. 1.

    If a customer needs a new toilet installed, you remove the old one and find the floor to be rotting all around the toilet, what do you do?

  2. 2.

    What would have to change about your current job, for you to stay where you are?

  3. 3.

    How many years experience do you have plumbing?

  4. 4.

    Do you want to own your own plumbing business in the future?

  5. 5.

    How long do you want to be a plumber?

  6. 6.

    Who taught you mostly what you know in plumbing?

  7. 7.

    What license do you have as a plumber?

  8. 8.

    What advantages are there for PVC water mains?

  9. 9.

    Do you have any experience installing water based heating systems?

  10. 10.

    We run a credit report and background check are you ok with that?

  11. 11.

    Do you have your own plumbing equipment?

  12. 12.

    Is there any other trades you are looking to learn?

  13. 13.

    How many houses have you plumbed before?

  14. 14.

    How long has it been since you've had a leak with copper piping?

  15. 15.

    Have you ever changed a toilet before?

  16. 16.

    Have you ever plumbed an office building?

  17. 17.

    Have you ever installed a shower with multiple shower heads? How did you keep water pressure high?

  18. 18.

    If a customer complains their house has too little water pressure, what steps would you take to fix this problem?

  19. 19.

    If you installed a copper pipe next to the shower head, and realized you ran out of fasteners, knowing this will create a problem ten years down the road, what do you do?

  20. 20.

    What training do you have in plumbing?

  21. 21.

    What is the worst thing you had to do as a plumber?

  22. 22.

    What do you enjoy most about being a plumber?

  23. 23.

    How does your family feel about you being on call?

  24. 24.

    Do you prefer your water mains be pvc or copper?

  25. 25.

    Have you ever installed PEX plumbing in a concrete floor?

  26. 26.

    What are the advantages for installing steel plumbing underneath a sink? In what cases would you do it?

  27. 27.

    If I were to ask a previous supervisor about your performance, what would they say?

  28. 28.

    What experience do you have with snaking clogged up pipes?