6035 - Drainage Outcome 2 part 1

What is the primary purpose of a trap under an appliance?

• To prevent water leakage

• To stop noxious smells from entering the property

• To enhance the appliance's efficiency

• To provide additional support to the appliance

What material are the majority of traps made from?

• Brass

• Copper

• Polypropylene

• Chrome

Which of the following is NOT a material mentioned for making traps?

• Polypropylene

• Brass

• Copper

• Steel

What is the more common jointing method for traps?

• Welding

• Soldering

• Compression using a rubber seal

• Gluing

What is the minimum depth required for a trap seal if the trap diameter is 50mm or above?

• 25mm

• 30mm

• 50mm

• 75mm

Why do larger diameter traps contain more water and become more difficult to lose the trap seal?

• Due to increased evaporation

• Due to induced siphonage, waving-out, or compression

• Due to decreased water pressure

• Due to increased air flow

What is the trap seal depth?

• The depth of the pipe.

• The retained depth of water stopping the noxious smell entering the property.

• The height of the water column.

• The width of the pipe.

What is the waste fitting size for a washbasin?

• 1¼

• 1½

• 40mm

• 75mm

What is the trap diameter for a bidet?

• 32mm

• 40mm

• 75mm

• 100mm

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

• 50mm

• 75mm

• 40mm

• 100mm