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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

24⟩ Tell me what training do you have in plumbing?

I have been at college for 3 years wile completing level 1, 2 and a plumbers mate course which has trained me in several aspects including some gas, fitting a bathroom, using a power flusher, and working with different pipes.

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26⟩ Do you know how to unclog a drain?

First step is to pass hot water from the pipes, if the issue persists, we use chemical drain openers and if those don’t work then we go to manual methods and sometimes we need to scrape or even replace the whole piping or a section.

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29⟩ Tell me how can you avoid bathroom plumbing maintenance?

To avoid bathroom plumbing maintenance you can use the following tips

• Once a week flushes out the drainage pipes with hot water

• Apply pipe shield to drain lines once each month to keep soap scum building up and causing clogs

• To prevent further damage to the fixtures and faucets repair leaky faucets

• Showers and tubs should be fitted with strainers that can catch hair and soap chips

• Use vinegar to remove mineral deposit in your shower head, by placing a vinegar in a plastic bag and leave it over the shower head overnight. Take only 1 cup of vinegar.

• Throw the waste in wastebasket like tissue paper, cotton ball, etc.

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30⟩ Do you know what is Angle Stop?

Angle stop is a shutoff valve between the water supply pipe and the fixture it supplies. It is used to shut off water to a fixture in case of failure, repair or leakage.

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31⟩ Tell me have you ever dealt with a difficult customer? Explain the situation?

2 years back when I worked as a journey man, we received a call. I and the senior journeyman went to resolve the issue. There was in in-wall leakage and we had to replace the piping. The customer insisted that we repair it. It took a lot of time to explain to the customer that the old piping was irreparable and even if we managed to fix it, we wouldn’t get the pressure right. With practical demonstrations we were able to convince him but he was very pleased by the work at finish.

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32⟩ Tell me toilet Leaks at Base in Moved Toilet Location or New Floor Install?

Is the top of the flange even (or close to even) with the finished floor? If it to low – then use two wax rings. One regular wax ring on the bottom and one (or more) with the plastic horn insert on top. ) I have seen leaks like you describe if the glued flange is not really glued in all the way. Take a look at that – if your floor and flange is flush. Sometimes you need to shim the toilet if the floor is uneven or the flange is to high.

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34⟩ Tell me why do you want to work as Plumbing supervisor for this organisation?

Being unfamiliar with the organisation will spoil your chances with 75% of interviewers, according to one survey, so take this chance to show you have done your preparation and know the company inside and out. You will now have the chance to demonstrate that you’ve done your research, so reply mentioning all the positive things you have found out about the organisation and its sector etc. This means you’ll have an enjoyable work environment and stability of employment etc – everything that brings out the best in you.

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35⟩ Explain me what pre-caution a plumber could take for health and safety purpose?

• Avoid awkward body positions, and take break every 30 minutes

• Learn safe lifting techniques

• Wear appropriate footwear and gloves while handling sewage plant or metal pipes

• Keep tools and equipment’s in working condition, to avoid any unexpected accident due to inoperative tools

• To avoid electric shock use only power tools that can be used in a wet environment and have GFCI (Ground fault circuit interrupter).

• Keep work area clear

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37⟩ Tell me what is the home remedies to clear clogged drain?

The home remedies to clear clogged drain is:

• Take half a cup of baking soda and pour down the drain, and then pour half a cup of vinegar. After 15 minutes, flush out the drain with hot water

• Add equal parts of salt, vinegar and baking soda. After one hour pour hot water into it

• Add half a cup of salt and equal amount of baking soda, sprinkle it into the drain and then flush it with hot water

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39⟩ Explain me when I Run The CWM My Toilet Bubbles/Overflows or My Shower Overflows?

The washing machine line could be connected to close to the “suds rinse zone”, meaning the washer waste ties into the waste or soil line of another fixture to close downstream from the problem fixture. What is happening is the water is rushing by the suds at a high velocity, pushing ahead of the suds. Because the fixture is the closest place of relief, the suds will come up into the fixture, even a toilet. The code requires that a washing machine, kitchen sink, shower, and dishwasher line be connected at least 5′ downstream from any fixture branch. This could be just one of many possibilities for the bubbling and backup.-Bill Dwight,

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