Block B: Water Services and Distribution Systems Self-Test 1

• How is potable water defined?

  Water that meets the prescribed standard(s), and is safe to drink and fit for domestic purposes without further treatment multiple choice options
• How is a water service pipe defined?

  A pipe that conveys water from a public water main or private water source to the inside of the building3 multiple choice options
• Transpiration is water that evaporates from plants into the atmosphere?

  True1 multiple choice option
• Water is a natural solvent

  True1 multiple choice option
• What is the name used to describe the water from a public water system after it has passed through the consumer's service connection?

  Used water3 multiple choice options
• As water flows through a centrifugal pump, it slows down and the pressure

  Increases3 multiple choice options
• The friction loss of fittings and valves is usually expressed in

  Equivalent lengths of straight pipe3 multiple choice options
• What information is required when using a performance curve to select a pump?

  Pump head and pump capacity3 multiple choice options
• Which municipal water distribution system is prone to taste and odour problems?

  Dead end configuration3 multiple choice options
• According to the BC Plumbing Code what is the maximum static pressure allowed at a fixture before a pressure-reducing valve is installed?

  550 kPa3 multiple choice options
• What is the most commonly used PRV for residential, and small diameter commercial, water systems?

  Direct-acting3 multiple choice options
• What is the purpose of series installation of pressure-reducing valves?

  Two-stage pressure reduction3 multiple choice options
• Where is a corporation valve installed?

  On a municipal water main to permit joining of the water service pipe3 multiple choice options
• What is the purpose of a curb stop?

  Allow for water meter servicing (not every municipality uses meters3 multiple choice options
• When may a private water supply system be interconnected with a public water supply system?

  No interconnection is permitted3 multiple choice options