Red Seal Plumbing Practice Exam

Which of the following materials is commonly used for mop sinks and shower bases?

1. Stainless steel

2. Fiberglass

3. Ceramic tile

4. Terrazzo precast

The correct answer is: Terrazzo precast

Terrazzo precast is the best choice for mop sinks and shower bases because it is both durable and water-resistant. This material is made from concrete and contains small chips of marble or granite, providing a solid and strong surface. A Stainless steel may seem like a good choice, but it is more likely to stain and scratch, making it less durable and not ideal for wet environments like mop sinks and showers. B: Fiberglass is a cheaper alternative to Terrazzo precast, but it is not as durable and can crack or split over time, which is not suitable for heavy-duty use. C: Ceramic tile is commonly used for bathroom floors and walls, but it is not recommended for mop sinks and shower bases as it can easily crack under the weight of heavy equipment or objects. In summary, while all of the materials listed have their own benefits, Terrazzo precast is