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A cross-connection is the:

a) Proper way to link two washing machines
b) Link between a potable water supply and unsafe water
c) Piping used in drink dispensers
d) Piping used in most dishwashers

Answer :

Final answer:

A cross-connection is a link between a potable water supply and a source of non-potable, unsafe water. This is a significant health concern, as it can lead to water contamination. The correct answer is option (b) Link between a potable water supply and unsafe water.

Explanation:

The term cross-connection refers to a situation where the potable water supply is connected to a source of contaminated or unsafe water. This kind of connection poses a risk to drinking water systems, as it can allow contaminants to enter the supply and make the water unsafe for consumption. For instance, a cross-connection can occur if the piping of a potable water system is somehow connected to a system containing chemicals, waste, or any other non-potable source. This is a critical concern in water supply and distribution systems, as it can lead to serious health issues. Therefore, a cross-connection is not the proper way to link two machines or plumbing fixtures but is a potentially hazardous link that should be prevented to ensure the safety of drinking water.

From the options provided in the question, the correct answer is (b) Link between a potable water supply and unsafe water. It is essential to avoid such connections, and there are devices and practices designed to prevent them, such as air gaps and backflow preventers, which ensure that drinking water remains safe from contamination.

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Rewritten by : Jeany