pp 8 Central Heating 2.5

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