Worksheetspp 8 Central Heating 2.5
Total questions: 10
Worksheet time: 5mins
What do the plastic inserts in the radiator brackets prevent?
Water leakage due to pipe losing its shape
Heat loss
Metal rubbing against metal
Expansion and contraction noises
What type of drill bit and wall plugs are commonly used for fixing the radiator brackets to the wall?
12mm drill bit and green wall plugs
10mm drill bit and blue wall plugs
7mm drill bit and brown wall plugs
5mm drill bit and red wall plugs
How should the PTFE tape or hemp be wound onto the ½” BSP inlets of the radiator valves?
Clockwise
Anti-clockwise
In a straight line
In a zigzag pattern
What tool is required to secure the valve stems of the radiator valves? inc the bleed valve
Valve key / spanner
Pliers
Wrench
Screwdriver
How many of the four ½” BSP radiator inlets will have valves installed?
Four
Three
Two
One
What will one of the top inlets of the radiator have?
Valve
Blanking plate
Bleed valve
Thermostat
What should be the gap between the bottom of the radiator and the finished floor height?
200mm
150mm
250mm
100mm
What is the material used more for pipework in commercial and industrial installations?
Low carbon steel (LCS)
Polybutylene
Copper
Plastic uPVC
What is the common consumable used for dressing a radiator
PTFE tape
Hemp
Jointing paste
TRV decorator’s cap
what is the image of
radiator key / spanner
lever bar
torque wrench
adjustable spanner
