The size of waste pipe for a sink is?

• 32mm

• 40mm

• 75mm

• 100mm

Identify the diagram shown.

• A primary ventilated stack

• A secondary ventilated stack

• A ventilated branch system

• A stub stack

When installing any soil stack or waste system, you would generally look at what to see the position in which they will be installed?

• Manufacturers instructions

• Building regulations

• British standards

• Building plans

What Building Regulation covers drainage and waste disposal?

• Part L

• Part P

• Part G

• Part H

Identify the boss branch.

• 
• 
• 
• 

The trap seal depth(mm) for sinks is?

• 50mm

• 75mm

What is the maximum length the waste pipe can be for baths?

• 1.7m

• 3.0m

• 6.0mm

Which of the following is not a type of below ground drainage systems?

• Separate system

• Combined system

• Partially combined system

• Partially separate system

Select the option that does not state a 'true' benefit to having a self-sealing waterless valve.

• They remove the problem of negative pressure

• Operation is silent

• Gradient is very restricted

• The seal can withstand back pressure

When the discharge branch is installed vertically to the appliance, which trap would best suit?

• S trap

• P trap