Traps (Plumbing)

What is the purpose of a trap under an appliance?

• To increase water pressure

• To stop the noxious (unpleasant) smell from the soil stack entering the property

• To filter water

• To prevent leaks

The majority of traps are made from _________

• polypropylene

• aluminum

• copper

• steel

Jointing methods for traps are primarily push-fit and, more commonly, ________ using a rubber seal.

• compression

• adhesive

• soldered

• threaded

What is the trap seal depth? Fill in the blank: The trap seal depth is the retained depth of ______ stopping the noxious smell entering the property.

• water

• air

• oil

• sand

What is the trap diameter for a wash basin?

• 32mm

• 25mm

• 40mm

• 50mm

What is the trap diameter for a bidet?

• 32mm

• 25mm

• 40mm

• 50mm

What is the trap diameter for a bath?

• 40mm

• 32mm

• 50mm

• 25mm

What is the waste fitting size for a shower?

• 1.5”

• 1”

• 2”

• 0.75”

What is the trap diameter for a shower?

• 40mm

• 32mm

• 50mm

• 75mm

What is the seal depth for soil stack for a shower?

• 50mm

• 25mm

• 75mm

• 100mm