28 Questions
In building drainage terms, what does 'effluent' refer to?
Foul and soil water
What is the primary purpose of drainage in civil engineering and construction projects?
To avoid flooding and water damage
What does the Building Regulations (2010): Part N emphasize about above-ground drainage systems?
Protecting the health of building occupants
What is the main purpose of a soil and waste pipe system in a building?
To remove discharges from sanitary fittings
What is the significance of conveying effluent by drains to sewers in building drainage?
To transport wastewater to treatment plants
Which of the following is NOT included in the types of drainage systems discussed in the text?
Surface water drainage system
What should the ABOVE-GROUND DRAINAGE SYSTEM consist of?
Single stack pipe installed vertically to ease discharge of waste and wastewater
What is the purpose of the vent pipe in the drainage system?
To release compressed air
What is the main disadvantage of the single stack system compared to the two-pipe system?
Less efficient ventilation
What is the essential part of the construction of a building, according to the text?
The efficient disposal of foul and surface water
What are the risks associated with an unsound and leaking drain?
Contamination of the water supply or air
What does a separate drainage system involve?
Two sets of drain and increased cost of building drainage
What is the primary advantage of a combined drainage system over a separate system?
Reduces the cost of building drainage
What should be kept at a minimum in the layout of the drainage system?
Bends, traps, and manholes
What is the purpose of a straight line pipe in the drainage system?
To ease the discharge of waste and wastewater
Which type of drain involves only one drain for both foul and surface water?
A combined system
What is the term for the process in which water pools in large bodies such as oceans, seas, and lakes?
Accumulation
Which process involves water vapor (gas state) in the air turning into liquid state (water) to form clouds in the sky?
Condensation
What is the term for the process in which water (liquid state) becomes water vapor (gas state) from the surface of oceans, lakes, and snow fields?
Evaporation
Which process involves water (in the form of rain, snow, sleet, or hail) falling from clouds in the sky?
Precipitation
What is the term for subsurface and surface water runoff that flows in underground streams, drains, or sewers?
Runoff
In the context of the hydrological cycle, what refers to the process in which some water within plants evaporates into the atmosphere?
Transpiration
What refers to the processes used to make water more acceptable for a desired end-use?
Water treatment
Which source accounts for about 71% of the Earth's surface water?
Icecaps & glaciers
What percentage of the Earth's water resources do the oceans account for?
97%
How much of Earth's water is saline (oceans)?
97%
What is the term for storage accumulation of water in large bodies such as oceans, seas, and lakes?
Accumulation
Which type of water accounts for about 0.9% of Earth's freshwater?
Swamps
Test your knowledge of drainage systems in building services engineering with this quiz covering principles, types, design, installation, materials, testing, inspection, regulations, and means of access. Get ready for the DBT223 course with this comprehensive quiz.
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