Which bracket is more suitable for low carbon steel pipe?

• Plastic nail type

• Plastic stand off

• Copper saddle

• Steel munson ring

What is the most important ppe when using a large hammer drill?

• Dust mask

• Hi vis jacket

• Safety goggles

• Barrier cream

15mm and 22mm copper pipe is also known as?

• R 220 soft coil

• R220 Hard coil

• R250 Half hard copper

• R290 hard lengths

What is the maximun hole you can drill in a 150mm floor joist

• 12mm

• 22mm

• 37mm

• 57mm

Cold water pipe work would normally be tested with?

• Multi meter

• Hydraulic test kit

• Manometer

• Pneumatic test kit

before carrying out a soundness time on new pipework what must you do first?

• Check the flow rate

• ensure there are no open ends

• inspect signs of soapy discharge

• test to 1 1/2 times the working pressure

A combi boiler provides........

• Heating and hot water

• Hot water only

• Central heating only

• Condensation to all outlets

A twin channel programmer controls.....

• The hot water temperature

• The room temperature

• The central heating Only

• The central heating and hot water

A Gate valve is designed for

• High water pressure

• Natural Gas

• Low water pressure

• Central; heating only

When draining down a sealed central heating system its best to......

• Open the bleed valves to let the air inn

• Close the lock shield but open the Trvs

• Ensure the filling loop is open

• Close all drain valves