Phase 3 prep 2

Ohm's Law describes

• The relationship between power current and resistance

• The relationship between voltage current and resistance

• The relationship between voltage current and power

• The relationship between current power and magnetism

In a UK domestic ring main circuit, what colour would the line conductor be?

• Blue

• Green and yellow

• Grey

• Brown

Which non-statutory document covers the standards for electrical installations in England and Wales?

• BS 6700

• BSEN 806

• BS 7671

• BS 12056

What is this component?

• Rewireable fuse

• RCD

• MCB

• Cartridge fuse

Which device provides protection against excess current?

• Rewireable fuse

• MCB

• RCD

• Cartridge fuse

What type of circuit is shown in the diagram?

• Radial

• Ring final

• Lighting

• Spur

According to the HSE document GS38, exposed metal probes on test equipment should be no more than...

• 2mm

• 4mm

• 6mm

• 10mm

What type of cylinder should be installed with a solar thermal system?

• Primatic

• Direct

• Thermal store

• Multi-coil

Which renewable technology is shown in the diagram?

• Solar PV

• mCHP

• GSHP

• ASHP

Under Permitted Development rules, what is the maximum height for ground sited solar panels

• 2m

• 4m

• 8m

• 10m