Water Supply and Drainage Systems - Principles and Practices | Take the Quiz

(Select All that Apply) Water is needed for:

(Select All that Apply) What are the different types of city water distribution?

Arterial: large arterial loops minimize dead ends. Water arrives from 4 directions

Grid: A series of interconnected smaller mains. Water from 2 or 3 directions.

Tree: Single arterial main with branches at 90 degrees. No loops. Dead ends.

Bronchial: a series of interconntected loops. Water arrives from 5 directions.

(Select All that Apply) What are the types of Spinkler System Classification:

Light (Offices)

Ordinary (kitchens, parking garages)

High (saw mills, factories)

Pressure is not supplied primarily by water main in street (which is below frost line)

True

False

(Select All that Apply) In a multi-story building such as a condominium complex, the sanitary drainage system consists of three main components:

What is the purpose of a plumbing trap?

Provides a water barrier against the infiltration of sewer gases

Provides a way to catch debris

Provides necessary efficiency

(Select All that Apply) Pipe Types and Materials

Copper: resists corrosion, expensive, light weight, soldered joints

Plastic: polyvinyl chloride (PVC): light weight, cheap, easy assemble, glued joints, highest material expansion

Steel: very subject to corrosion, heavy, threaded joints

Metal: expensive, soldered joints, easy to assemble

What is a Direct or Upfeed Systems:

Water rises to the fixtures. Flow pressure at fixtures varies from 5-25 psi. Pressure is supplied primarily by water main in street (which is below frost line)

Water pumped to storage tanks at top of building. Waterr supplies fixtures by gravity.

What is a Indirect or Downfeed System?

Water pumped to storage tanks at top of building. Water supplies fixtures by gravity.

Water rises to the fixtures. Flow pressure at fixtures varies from 5-25 psi. Pressure is supplied primarily by water main in street.

Water Supply and Drainage Systems - Principles and Practices

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