Exam 16: Plumbing Repairs and Troubleshooting

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A 240-volt water heater has only one wire supplying 240 volts to the water heater.

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False

Refer to manufacturer information to assist in repair diagnosis.

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True

To safely troubleshoot an electric water heater,the plumber must have a basic understanding of electricity.

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True

A plumber must be qualified and possibly licensed to work with certain aspects of a plumbing system,including electricity and gas.

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MATCHING Match the following terms: -A unit of measure describing the resistance of flow of electrical current.

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What are two methods for checking the toilet tank flapper for a leak?

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The heating element of a water heater is threaded or bolted to the tank.

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MATCHING Match the following terms: -A check valve device installed at the bottom of a vertical drop pipe in a well serving an aboveground pump to ensure water remains in the pipe after a pumping cycle.

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A well pump pressure switch controls the _______________ function of a well pump.

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A defective tank flapper on a toilet can cause water to slowly enter the toilet bowl during a non-use period.

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MATCHING Match the following terms: -A measure of electrical power or the true power in a circuit.

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Most circuit breakers serving a residential non-simultaneous water heater have minimum rating of _____ amps.

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After reconnecting a gas piping system,a _________________________ test must be performed before igniting any burners.

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All states dictate the minimum warranty period of an installation.

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MATCHING Match the following terms: -A measure of electromotive force (EMF);often described as electrical pressure.

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Many pump installations are performed by a licensed well contractor and not by a plumber.

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Troubleshooting well pumps must be performed by a qualified individual.

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A plumber must have an ______________________________ meter to troubleshoot an electric water heater.

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Troubleshooting gas and electric water heaters can be performed by anyone.

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MATCHING Match the following terms: -A safety device of a water heater that disconnects an energy source when water temperatures approach unsafe temperatures.

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