BUILDING WATER DISTRIBUTION SYSTEM

What type of water distribution system is shown in the diagram?

• Gridiron System

• Dead-end/Tree System

•  Radial System

Flushometer is advantageous to the following choices except for 

• Schools

• 1. Airports

• 1. Residential Houses 

• 1. Offices 

What is the minimum required air gap to prevent backflow in a water distribution system for non-critical installations?

• Equal to the diameter of the outlet
  

• Three times the diameter of the outlet
  

• Half the diameter of the outlet

• Twice the diameter of the outlet
  

What is the primary purpose of a water supply system in a house?

• To store wastewater for reuse

• To deliver clean water efficiently throughout the building

• To recycle used water for outdoor irrigation

• To provide pressure for the drain system

Hydrostatic testing can determine the following choices except for

• 1. Maximum stress the pipe can withstand 

• 1. Leaks and improper welds

• 1. Structural problems

• Quality of water

It minimizes the disruptions in case of a pipe failure by supplying water from multiple directions.

• Circular/Ring System

• Radial System

•  Grid Iron System

• Dead-end/ Tree System

1. All pipes should be laid 1 ___ away or above the sewer lines.

• Foot

• 1. Meter

• 1. Inch

Which of the following factors is the most critical when determining the correct pipe size for a plumbing system?

• The material of the pipe
  

• The color of the pipe
  

• The flow rate and pressure requirements
  

• The length of the pipe only

What is the main function of the drain system?

• To direct wastewater to the sewer and maintain hygiene

• To store clean water for later use

• To supply clean water to appliances

• To recycle wastewater for outdoor irrigation

These are professionals who specialize in the design, installation, and maintenance of systems that manage water, wastewater, and gas within buildings.

• Civil Engineers

• Environmental Engineers

• Mechanical Engineers

•  Plumbing Engineers