Plumbing Safety and Cross Connections Quiz

The practice of installing and maintaining heating systems

The practice of installing and maintaining ventilation systems

The practice of installing and maintaining piping systems (correct)

The practice of installing and maintaining electrical systems

Products found in water that are essential for humans

Products found in water that are lethal to humans (correct)

Products found in water that are harmless to humans

Products found in water that are beneficial to humans

A connection between a piping system and a plumbing appliance

A connection between two separate piping systems that contain non-potable water

A connection between a piping system and a plumbing fixture

A connection between two separate piping systems that contain potable water (correct)

<p>Endangerment of food supplies and food handling equipment (D)</p> Signup and view all the answers

<p>Systems that mix due to overload (B)</p> Signup and view all the answers