Podcast
Questions and Answers
What is the purpose of the drainage system in a building?
What is the purpose of the drainage system in a building?
- To regulate the water pressure in the building
- To convey sewage, rainwater, or other wastes from their point of origin to a point of disposal (correct)
- To distribute clean water throughout the building
- To provide ventilation for the building
What is the primary function of a trap in the drainage system?
What is the primary function of a trap in the drainage system?
- To regulate the water pressure in the drainage pipes
- To filter out solid waste from the drainage system
- To collect and store rainwater for later use
- To prevent the backflow of obnoxious gases into the building (correct)
What is the difference between a soil pipe and a waste water pipe?
What is the difference between a soil pipe and a waste water pipe?
- A soil pipe carries wastewater from WCs, while a waste water pipe carries water discharged from baths, sinks, and washbasins. (correct)
- A soil pipe is used to carry rainwater, while a waste water pipe is used to carry sewage.
- A soil pipe is made of a different material than a waste water pipe.
- There is no difference between a soil pipe and a waste water pipe.
What is the purpose of the vent system in the drainage system?
What is the purpose of the vent system in the drainage system?
What is the role of the site datum in the drainage system?
What is the role of the site datum in the drainage system?
What is the purpose of the sewer in the drainage system?
What is the purpose of the sewer in the drainage system?
What is the primary purpose of a manhole in a drainage system?
What is the primary purpose of a manhole in a drainage system?
What is the recommended minimum width for the access shaft of a manhole?
What is the recommended minimum width for the access shaft of a manhole?
What is the purpose of the 'benching' in a manhole?
What is the purpose of the 'benching' in a manhole?
What is the recommended slope for the top of the benching in a manhole?
What is the recommended slope for the top of the benching in a manhole?
Which of the following is NOT a recommended principle for laying drainage pipes?
Which of the following is NOT a recommended principle for laying drainage pipes?
What is the purpose of the ball test described in the text?
What is the purpose of the ball test described in the text?
What is the primary purpose of properly ventilating the entire building drainage system?
What is the primary purpose of properly ventilating the entire building drainage system?
What is the primary function of the intercepting trap in the house drain?
What is the primary function of the intercepting trap in the house drain?
What is the importance of the joints in the sewer system being water-tight and properly tested?
What is the importance of the joints in the sewer system being water-tight and properly tested?
What is the purpose of laying lateral sewers at a proper gradient?
What is the purpose of laying lateral sewers at a proper gradient?
What is the recommended material for sewer pipes, and why is it important?
What is the recommended material for sewer pipes, and why is it important?
What is the recommended approach for dealing with the rain water from houses?
What is the recommended approach for dealing with the rain water from houses?
