pp7 Central Heating Pipework Installation Quiz

What is the maximum depth of notch for joists spanning a distance of 2.2m and are 150mm deep?

• 25mm

• 18.75mm

• 30mm

• 12.5mm

Between what distances from the wall may drilling of the joist take place? ( joist has a 2 metre span )

• 0.5m (500mm) and 0.8m (800mm)

• 0.4m (400mm) and 0.7m (700mm)

• 0.3m (300mm) and 0.6m (600mm)

• 0.6m (600mm) and 0.9m (900mm)

What is the material used more for pipework in commercial and industrial installations?

• Low carbon steel (LCS)

• Polybutylene

• Copper

• Plastic uPVC

What is the primary purpose of insulation for pipes?

• To increase heat transfer

• To prevent freezing and heat loss

• To reduce pressure

• To increase noise transmission

What is the coefficient of expansion for copper pipework?

• 0.000016

• 0.00018

• 0.000029

• 0.000011

the primary circuit for the heating and hot water should be insulated whenever it passes outside the heated living space?

• True

• False

• Not mentioned

• Partially true

What is the common tool used for a pump installation?

• Electric pipe freezing kit

• Adjustable pump pliers

• Radiator bleed key

• Wide jaw adjustable spanner

What is the common consumable used for dressing a radiator

• PTFE tape

• Hemp

• Jointing paste

• TRV decorator’s cap

What is the material used for pipework in domestic installations that is easy to install and allows for long lengths with no connections?

• Plastic uPVC

• Copper

• Low carbon steel (LCS)

• Polybutylene

What is the advantage of microbore pipework system?

• It contains more water

• It heats up slowly

• It is difficult to install

• It heats up more quickly