Pipework Installation Quiz

What is a key consideration when planning the route for cold water pipework?

• Avoid pipework near windows

• Position pipework in visible areas for easy access

• Avoid locations where frost and heat could cause problems

• Pipework should always be buried in walls

What should be done before drilling into walls for pipework installation?

• Ignore possible buried pipes or cables

• Check for switches, sockets, and use a pipe detector

• Drill without marking out the area

• Only check for electrical wiring

What is the maximum depth for a horizontal chase in a wall when concealing pipework?

• 1/4 of wall depth

• 1/6 of wall depth

• 1/3 of wall depth

• 1/8 of wall depth

What is the minimum horizontal distance required between cold water pipes and hot water/central heating pipes?

• 100 mm

• 200 mm

• 300 mm

• 400 mm

What is the maximum depth allowed for a notch in a wooden joist for pipework installation?

• 1/6 of the joist depth

• 1/8 of the joist depth

• 1/4 of the joist depth

• 1/3 of the joist depth

When laying pipes in walls or floors, what must be done to protect the pipe?

• Lay pipes directly in contact with walls

• Use thermal insulation and sleeves for protection

• Embed pipes in the concrete floor

• Do not use any protection

What type of solder is prohibited in cold water systems?

• Lead-free solder

• Lead solder (70% lead + 30% tin)

• Tin-copper solder

• Acid-based flux

Which of the following is an approved material for cold water pipework?

• Lead

• Galvanized steel

• Bitumen

• Non-barrier plastic

What is the recommended positioning when installing hot and cold pipes together horizontally?

• Cold pipe above the hot pipe

• Hot pipe above the cold pipe

• Both pipes side by side

• Cold pipe to the left of the hot pipe

Which of the following is not a characteristic of an effective insulation material?

• Should not be flammable

• Should be moisture-resistant

• Should be easily combustible

• Should be vermin-proof