Phase 1 Revision 3

Where would a plumber use a mirror screw?

• Securing floorboards

• Attaching a bath panel

• Securing a clip

• Attaching a pump

Which law states that the rise in pressure (of gas) would be inversely proportional to the rise in temperature?

• Boyle's law

• Cole's law

• Charles's law

• The Gas law

What is the primary function of the open vent pipe on a central heating system?

• To allow the system to pressurise

• To allow the system to operate at atmospheric pressure

• To provide sufficient oxygen to the heating system

• To provide a means of ventilation when filling the system

Which one of the following details the rough cost of proposed work?

• Quotation

• Variation order

• Purchase order

• Estimate

When using a munsen ring to secure pipework in position, which of the following statements is important to follow?

• Copper pipe must be secured in a cast iron munsen ring

• Low carbon steel must be secured in a brass munsen ring

• Brass munsen rings must be used on copper pipework

• Cast iron munsen rings can secure any material

What is the minimum sized waste permitted for connecting to a wash basin?

• 32mm

• 40mm

• 50mm

• 100mm

In a direct boosted cold water system, what device turns the pump on and off?

• A pipe level switch

• A pressure switch

• A float switch

• A flow switch

• Farenheit

• Celcius

• Degree

• Kelvin

A British Standard is best described as...

• a piece of legislation which has been approved by the HSE

• a piece of legislation which has been approved by the Government

• an expected standard which should be followed by law

• an expected standard which should be adhered to but is not law

What three components are required when converting an open vented system with a sealed system?

• Automatic air vent, low loss header, filling loop

• Filling loop, expansion vessel, pressure gauge

• Pressure relief valve, filling loop, expansion vessel

• Expansion vessel, automatic air vent, pressure gauge