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NCCER PLUMBING 2 QUESTIONS WITH CORRECT ANSWERS

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NCCER PLUMBING 2 QUESTIONS WITH CORRECT ANSWERS

Institution
NCCER PLUMBING
Course
NCCER PLUMBING

Content preview

Water softeners are not required to be con- nected to a


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line serving a hose bibb




A small scale (such as the 1"=20') would most often be used for a

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Civil drawing




because When servicing a valve, avoid using pliers


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they can damage the valve's finished surface




All of the following are advantages of using stainless steel valves except their


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low cost




A trap primer prevents loss of the trap due to


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evaporation




To calculate the travel when the offset is known, multiply the offset by


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, The constant




If the two parallel sections of the pipe on either end of the offset are not in the same
vertical or horizontal plane, the installation is described as a


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Rolling offset




Because modern buildings are often sealed airtight, combustion air for fuel-burning
ap- pliances typically must be supplied through the use of.


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Ducting of outside air




Fiberglass pipe insulation comes from the manufacturer in


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Preslit 3-foot lengths




Sizing tables showing the WFSUs for residential fixtures are found in


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, Local codes




Water heated by a solar collector circulates through the supply system by means of a
pump or by


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)convection




Incoming cold water is delivered to the bot- tom of the storage tank by the


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dip tube




The plumber should always verify the cor- rectness of the


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Rough-in dimension




A curb box provides access to a


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Institution
NCCER PLUMBING
Course
NCCER PLUMBING

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Uploaded on
January 23, 2025
Number of pages
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Written in
2024/2025
Type
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Contains
Questions & answers

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