Plumbing level 2 - PP3 - Drainage

What is the first important inspection in the soundness test?

• Hydraulic test

• Pressure test

• Visual inspection

• Smoke test

What should the manometer measure be set to during the soundness test?

• 25mm

• 45mm

• 50mm

• 38mm

What is used to trace a potential leak during the soundness test?

• Air

• Soapy water

• Smoke

• Water

What is the maximum pressure the system can be put under during the soundness test?

• 25mm

• 50mm

• 45mm

• 38mm

What is the minimum trap seal depth required after the performance test?

• 35mm

• 20mm

• 25mm

• 30mm

What should be used to check the trap seal depth?

• A pressure gauge

• A ruler

• A black dipstick

• A measuring tape

What is a common cause of blockages in kitchen sink traps?

• Hair

• Soap residue

• Grease

• Tree roots

What should be worn when using cleaning chemicals?

• A boiler suit and helmet

• A face mask and ear protection

• Wellington boots and a hat

• Rubber gloves and eye protection

What tool is used to release small blockages using positive pressure?

• Drain rod

• Drop scraper

• Hand auger

• Plunger

What should be done if a WC is connected to the surface water drain?

• Replace the WC

• Notify the customer immediately

• Clean the WC

• Disconnect the WC