Plumber Interview Preparation Guide
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Plumber job preparation guide for freshers and experienced professionals. Explore these number of Plumber frequently asked questions(FAQs) extracted form many interviews

94 Plumber Questions and Answers:

1 :: Tell us what license do you have as a plumber?

As of the moment none but I will take some proper classes for plumber to upgrade my standard.
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2 :: Tell me do you have your own plumbing equipment?

I have all the basic things. Hammer, pipe wrenches, screwdrivers, ruler, pencil, players, adjustable wrenches.
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3 :: Explain me what skills does a plumber should have?

• Problem solving
• Critical thinking
• Listening and paying attention to instruction
• Decision making
• Co-coordinating
• Technical knowledge related to pipe fitting
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4 :: Tell me what is the common reason for sump pump failure?

Sump pump is usually used in the basement area to remove the accumulated water during flood. Moreover, there are few reason it may stop working all of sudden.

• Switching problem
• Accumulation of excess debris, interfering with the switching
• The pump can move inside the basin, and that may interfere with the switching mechanism
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5 :: Do you know why is hard water considered bad?

Hard water can be damaging to the skin, clothes and even to the building. It has great corrosive powers which leads to dry skin conditions, pipe scaling, excessive soap consumption and deterioration of fixtures.
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6 :: Do you know what are pipe dopes?

Pipe dopes are used to create water tight seals at joints.
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7 :: Tell me what are your weaknesses for Plumbing supervisor position?

Try not to be too critical when answering this question. Instead, pick one of your weaknesses and try to turn it into a positive.

For example, you could be a perfectionist, which means that you sometimes take longer on tasks, but you make sure that they are completed to a high quality. It is important to make a negative into a positive as it doesn’t make you appear overly critical and shows you can reflect on your own performance.
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8 :: Explain me your salary requirements as Plumber?

Find out what the salary is for the job is that is possible ahead of time. If there is no salary posted then do some research. Find out what the market is paying and what you are worth. Make a reasonable salary offer based on this information. Do your best to avoid making a salary offer if you can. You can ask the employer if they have a salary range they plan to pay the person in this position.
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9 :: Suppose high Pressure Makes My Toilet Run (with new ballcock)?

If your water pressure is so high that it leaks past a Fluidmaster 400A or another new ballcock (aka: “toilet fill valve”) – then you NEED a pressure reducing valve. Other water pipes, connectors, clothes washing machine hoses and your water heater could leak or break. Best to get a pressure regulator if your pressure to the house is more than 60 pounds (80 is code throughout most of the U.S.).
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10 :: Tell me can Clogged Vents Stop Up Drains?

Yes and no. A toilet with no vent may not flush the contents out of the bowl, but any other drain will work without a vent. (NOTE: the code is that all fixtures shall be vented). Only twice in 15 years has the vents been the cause of a drain backup. In one case it was roofers who stuffed the old roofing material down the vents and the other was just a stray piece of wood. In both cases the material made its way down into the drain pipe and had to be removed. No amount of *vent cleaning* would have done any good.
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