203 Mock Test 1

State the installation method for a cable that is 'clipped direct to a surface.'

• Method A

• Method B

• Method C

• Method D

Which one of the following provides 'basic protection?'

• A.D.S.

• Fuses

• Barriers and enclosures

• Earthing and bonding

As a rule of thumb, what is the minimum percentage of space allocated for 'cooling purposes' in trunking ?

• 35%

• 45%

• 55%

• 65%

Which one of the following renewable energy sources uses the movement of air currents?

• Hydro

• Wind

• Solar Thermal

• Biomass

Which one of the following is NOT an example of an 'short-circuit fault'?

• Insulation failure in a circuit

• Incorrect conductor terminations

• Severing live conductors with cable cutters

• A large motor starting up

What is the following item of equipment called?

• Distance saddle

• Spacer saddle

• Tee box

• End box

Identify below the correct symbol for the rating of the protective device

• It

• In

• Ib

• Iz

Identify below the correct symbol for design current

• Ib

• In

• It

• Iz

What voltage value is given for the 'general mass of earth?'

• 230 V

• 400 V

• 25 KV

• 0 V

What properties should all electrical connections have?

• Mechanical Strength

• Electrical Strength

• Mechanical and Electrical Strength

• None of these