Font size
WorksheetsWEEK 8 (2022)_SANITARY APPLIANCES & TRAP
Total questions: 20
Worksheet time: 3600secs
Listed below are waste appliances, except
basin
bath tub
dishwasher
shower tray
Which of the list below is/are the requirement of good sanitary appliances?
Durable
Expensive materials
Resistant to corrosion
Impervious to water
This sanitary appliances used to flush away the contents of soil fitting to the drain.
Flushing cistern
Urinals
Water closet
Shower tray
They are normally fixed to the wall and designed to accept and dispose of liquid human wastes only.
Water Closet
Shower tray
Wash basin
Urinals
The trap is always fitted horizontally. This trap take less space and can be cleaned by unscrewing the bottom of it.
P trap
Running trap
Bottle trap
S trap
The trap has a water seal between 50-100mm and used to prevent sewer gasses from entering the house.
Running trap
P trap
S trap
Anti-vacuun trap
What is the purpose of a trap fitted to a sanitary appliance?
It minimises the risk of blockage or leakage
It provides a point where cleaning can occur
It allows waste branches to be connected
It prevents foul air from entering the building
Loss of the seal at trap in the diagram is due to a partial vacuum at the outlet side of the trap. This refer to
Self siphonage
Induced siphonage
Compression
Back pressure
Which one of the following indicates the most likely cause of a basin losing its trap seal when emptied?
Self siphonage
Wavering out
Compression
Induced siphonage
This type of trap seal loss is due to a sudden discharge of water as shown in the diagram.
Momentum
Back pressure
Compression
Self siphonage
What type of trap seal loss is shown in the image?
Induced siphonage
Capillary attraction
Wavering out
Momentum
What type of trap seal loss is shown in the image?
Self siphonage
Evaporation
Compression
Wavering out
Refer to the diagram shown. Loss of the seal at the trap is most likely to be as a result of which one of the following?
Induced siphonage
Self siphonage
Back pressure
Compression
A trap is a device that allows foul water to flow freely through a waste pipe while retaining sufficient water to prevent the reverse flow of foul air .
True
False
Identify the type of WC pan shown
single trap siphonic
washdown
double trap siphonic
washdown siphonic
Identify the type of WC pan shown
single trap siphonic
double trap siphonic
double trap washdown
washdown
This type of wash basin is secured to the floor.
semi countersunk
vessel basin
wall hung basin
pedestal basin
This type of wash basin is supported on cast iron brackets screwed to the wall.
semi countersunk
pedestal basin
wall hung basin
vessel basin
A bidet is a plumbing fixture, shaped to fit a body to bathe in, usually one forming a permanent fixture in a bathroom.
True
False
All traps have a water seal.
True
False
