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From which standard are waster water calculations derived?

• BS EN 3056

• BS EN 12056

• BS EN 12506

• BS EN 10256

What can the examples of the calculations be applied to?

• Only multi-storey dwellings

• Only single occupancy dwellings

• Both multi-storey and single occupancy dwellings

• Commercial buildings only

What is the name of the connector shown in the image on the right?

• Metal weld joint

• Plastic push fit branch connector

• Copper solder fitting

• Cast iron hubless coupling

What does the image in the center depict?

• Connection made on plastic soil pipe

• Connection made on copper soil pipe

• Connection made on cast iron soil pipe

• Connection made on aluminum soil pipe

What is shown in the image on the left?

• Plastic soil stack with metal connections

• Cast iron soil stack with plastic and copper connections

• Copper soil stack with cast iron connections

• Aluminum soil stack with rubber connections

According to the European code BS EN 12056, what is the required pipework dimension for a washbasin, bidet, or drinking fountain in the UK?

• 32mm

• 40mm

• 50mm

• 100mm

What size of pipework is needed for a sink, bath, shower, urinal, or sanitary towel macerator as per BS EN 12056?

• 32mm

• 40mm

• 50mm

• 100mm

For a food waste disposal unit or dual appliance branch, what pipework dimension is specified by BS EN 12056?

• 32mm

• 40mm

• 50mm

• 100mm

What is the minimum pipework size for a WC according to BS EN 12056?

• 32mm

• 40mm

• 50mm

• 100mm

Which document must you refer to when calculating discharge units?

• The manufacturer's manual

• The local water authority guidelines

• The British Standards for sanitation

• The plumbing code of practice