A homeowner wants to install a water storage system. What is the primary source of water in the Philippines for residential areas?

• Groundwater

• Rainwater

• Surface water

• Desalinated water

A homeowner is considering options for storing water on their property. What is commonly used for water storage in Philippine households?

• Water tower

• Cistern

• Reservoir

• Dam

A property owner wants to improve water pressure in their building. What is the purpose of a pressure tank in a water supply system?

• Increase pressure

• Store water

• Filter contaminants

• Regulate flow

A construction project requires digging a well for water supply. What is the minimum depth for a well in the Philippines?

• 5 meters

• 10 meters

• 15 meters

• 20 meters

A municipal government plans to improve water quality for its residents. What is the primary purpose of water treatment?

• Remove contaminants

• Increase acidity

• Decrease clarity

• Enhance odor

A homeowner wants to ensure the cleanliness of their drinking water. What method is commonly used for water purification?

• Distillation

• Chlorination

• Reverse osmosis

• Filtration

A community organization is conducting routine water quality checks. How often is water testing recommended in residential areas?

• Monthly

• Annually

• Every six months

• Quarterly

A homeowner is renovating their kitchen and wants to upgrade the plumbing system. What material is commonly used for hot water pipes?

• PVC

• PEX

• HDPE

• Copper

A construction project requires installing pipes around corners. What fitting is used to change water flow direction?

• Tee

• Elbow

• Coupling

• Union

A plumber is determining the appropriate size for residential water pipes. What is the standard size for residential water pipes in the Philippines?

• 3/4 inch

• 2 inches

• 1 inch

• 1/2 inch