Sanitary Drainage Systems Quiz

To safely and effectively remove contaminated wastewater from buildings to treatment facilities.

True

<p>To prevent foul odors from entering buildings by retaining water and creating a seal that stops sewer gases from traveling back.</p> Signup and view all the answers

<p>To provide essential air for proper airflow, prevent negative pressure, and eliminate siphoning of water from traps.</p> Signup and view all the answers

<p>Cleanouts are small openings located along the pipe runs of drainage systems, providing access for plumbers to clear blockages.</p> Signup and view all the answers

<p>To transport wastewater from the building to the municipal sewer system or septic tank for treatment.</p> Signup and view all the answers

<p>Sewage treatment plants are used in cities and towns with centralized systems, while septic systems are used in rural areas with no municipal sewer service.</p> Signup and view all the answers

<p>Gravity pulls wastewater down through the system, ensuring that it flows from the building to the treatment facility.</p> Signup and view all the answers

<p>Vent pipes ensure proper ventilation, prevent sewer gases from flowing back into the building, and maintain water seals in the traps.</p> Signup and view all the answers

<p>Wastewater is treated through a series of steps that include filtration, solid material removal, breakdown of organic waste, and disinfection.</p> Signup and view all the answers

<p>False</p> Signup and view all the answers

<p>The slope ensures that wastewater flows smoothly through the pipes, preventing clogs and backflow.</p> Signup and view all the answers

<p>Maintaining a suitable distance between inspection chambers ensures proper flow velocity and reduces the risk of blockages.</p> Signup and view all the answers

<p>Installation Time</p> Signup and view all the answers

<p>The house sewer connects the building to the public sewer or septic system, the house drain carries wastewater from the building to the sewer line, and the house trap prevents sewer gases from entering the building.</p> Signup and view all the answers

<p>To allow fresh air to circulate through the system and prevent compression of air, ensuring proper venting and odor control.</p> Signup and view all the answers

<p>They collect wastewater from fixture branches and direct it to the house drain.</p> Signup and view all the answers

<p>To prevent sewer gases from entering the building.</p> Signup and view all the answers

<p>They connect fixtures, such as sinks, toilets, and showers, to the soil or waste stacks.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>Vents are extensions of soil and waste stacks through the roof, serving to provide ventilation, admit fresh air, and discharge gases.</p> Signup and view all the answers

<p>Direct siphonage and indirect siphonage.</p> Signup and view all the answers

<p>Five common causes of trap seal loss include: direct or indirect siphonage, back pressure, capillary attraction, evaporation, and wind effect.</p> Signup and view all the answers

<p>To correct the condition of back pressure that can occur when the soil pipe changes direction.</p> Signup and view all the answers

<p>The main soil and waste vent serves as a terminal for the smaller vent lines, relieving back pressure and ensuring proper ventilation of the system.</p> Signup and view all the answers

<p>To vent a single trap, preventing siphonage and ensuring proper air circulation.</p> Signup and view all the answers

<p>A unit vent serves two fixture traps, while a circuit or loop vent serves two or more fixture traps that discharge into a horizontal branch.</p> Signup and view all the answers

<p>To eliminate minus and plus pressures in the drainage system, preventing back pressure and ensuring efficient drainage.</p> Signup and view all the answers

<p>To vent fixtures that are located in a room away from partitions, ensuring proper drainage and preventing the accumulation of water.</p> Signup and view all the answers

<p>Wet vents are used for ventilation of small groups of bathroom fixtures, local vents are used for individual fixtures in a plumbing system, and utility vents are used for underground public restrooms.</p> Signup and view all the answers

<p>To separate and retain deleterious, hazardous, or undesirable matter from normal waste, preventing it from entering the disposal terminal.</p> Signup and view all the answers

<p>To collect sewage or liquid waste from below the normal grade of the gravity system, where it is then emptied by a mechanical means.</p> Signup and view all the answers

<p>Ejectors are used to pump sewage that cannot be drained by gravity alone, typically using motor-driven centrifugal pumps or compressed air.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers

<p>To collect surface or rainwater from an open area and direct it to a catch basin.</p> Signup and view all the answers

<p>To collect water or wastewater from a building, typically waterborne wastes, and direct it to the drainage system.</p> Signup and view all the answers

<p>Cleanouts provide access points for plumbers to clear blockages in the pipe system without having to dismantle entire sections of plumbing.</p> Signup and view all the answers