WorksheetsDrainage System Quiz
Total questions: 25
Worksheet time: 19mins
Identify Three different types of pipes used in the drainage system
What is a drainage system?
A system that conveys sewage and rainwater
A system that only conveys rainwater
A system that only conveys sewage
A system that does not include any pipes
What is a branch in drainage terms?
A part of the piping system other than a main
A main part of the drainage system
A type of vent
A type of drain
What is a building drain?
A pipe that carries wastewater away from a building
A pipe that carries rainwater
A type of vent
A type of sewer
What is a septic tank?
A watertight settling tank for sewage
A tank for rainwater
A type of drain
A type of sewer
What is a soil pipe?
A pipe that conveys discharge from water closets
A pipe that only conveys rainwater
A type of vent
A type of drain
What is a trap in drainage?
A fitting that provides a liquid seal
A type of vent
A type of drain
A type of sewer
What is a vent stack?
A vertical vent pipe for air circulation
A type of drain
A type of sewer
A type of trap
What is the purpose of a vent system?
To provide air flow to a drainage system
To carry sewage
To carry rainwater
To provide a liquid seal
What is the minimum diameter for a soil pipe conveying any solid or liquid filth to a drain?
75 mm
100 mm
50 mm
32 mm
What is the recommended size of waste stack?
50 mm
75 mm
100 mm
32 mm
What is the minimum invert level of a drain to avoid damage by ground movement?
450 mm
700 mm
600 mm
500 mm
What should be the diameter of a vent stack?
25 mm
50 mm
100 mm
75 mm
What is the purpose of a manhole in a drainage system?
Inspection
Cleaning
Maintenance
All of the above
What is the depth range for shallow manholes?
0.5 to 0.7 m
0.7 to 0.9 m
0.9 to 1.1 m
1.0 to 1.5 m
What is the maximum recommended velocity in drains?
0.6 m/s
1.5 m/s
2.5 m/s
3.0 m/s
What should be the minimum clearance of the soil and waste stack from the wall?
10 mm
25 mm
50 mm
75 mm
What is the purpose of a drop manhole?
To connect sewers
To control gradient
To provide access
Both A and B
What is the minimum diameter for a branch vent pipe on a waste pipe?
25 mm
32 mm
50 mm
75 mm
What are Grease Traps?
Outline two Different Types of Grease Traps.
Traps located in an establishment near the fixture it serves
Large traps located outside the building in the ground that serve the entire kitchen.
What Fixtures in my Food Establishment Require a Grease Trap?
Dishwashers outside Trap Only
Woks
Rinse Sinks at Dishwashers
Floor Drains and Sinks
Pot Sinks
How Do I Clean the Grease Traps and How Often?
What is the difference between Conventional Drainage Systems and Pluvia (Siphonic) Systems?
How does Geberit Pluvia work?
