Worksheetspp7 Central Heating Pipework Installation Quiz
Total questions: 13
Worksheet time: 7mins
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
what is the common grade of copper used in the bending machine
R220
R250
R290
What are the clipping distances for 22mm copper pipe (horizontal and vertical )
1.2 and 1.8
1.8 and 2.4
2.4 and 3.0
what is the image of
radiator key / spanner
lever bar
torque wrench
adjustable spanner
