Humber/Ontario Real Estate Course 3 Exam Practice

Which statement is accurate about service pipes supplying drinking water to residential properties?

1. Plastic pipes are less costly than copper pipes.

2. Lead pipes are safe if installed correctly.

3. Galvanized pipes can reduce water pressure over time.

4. Plastic pipes were once popular, now copper is widely used.

5. Polyethylene pipes require regular inspection to avoid leakage.

The correct answer is: Galvanized pipes can reduce water pressure over time.

The statement regarding galvanized pipes reducing water pressure over time accurately reflects a common issue associated with this type of plumbing material. Galvanized pipes are coated with a layer of zinc to prevent corrosion, but over time, this coating can deteriorate, allowing rust and mineral buildup to occur. This buildup can significantly restrict water flow, leading to decreased water pressure in the system. The reduction of water pressure can be a serious issue for homeowners, potentially requiring costly repairs or replacement of the pipes. While other options contain information that may be relevant or partially accurate, the nuances concerning galvanized pipes and their impact on water pressure establish the correctness of this particular statement. Other materials, such as plastic and copper, have their characteristics and considerations, but do not specifically address the ongoing concern of pressure reduction like galvanized pipes do.