Electrical Safety Quiz

Why is a risk assessment carried out?

• To make sure work is completed quickly.

• To make sure work is carried out safely.

• To make sure all PPE is always worn.

• To make sure BS 7671 is followed

What is the most appropriate procedure for dealing with a request to clean a light fitting that is attached to a suspected asbestos insulating board?

• Refuse, unless specific training has been given.

• Use a damp, lint-free cleaning cloth to contain the dust.

• Use an appropriate vacuum cleaner to remove any dust.

• Refuse, unless planning permission has been granted.

What is the correct colour of a 230 V extension lead used on a construction site?

• Red.

• Yellow.

• Blue.

• Violet.

What is the role of an architect?

• To meet the needs of the quantity surveyor.

• To meet the needs of the clerk of works.

• To meet the needs of the site manager.

• To meet the needs of the customer.

Which industry organisation represents the interests of consumer?

• Electrical Safety First.

• Joint Industries Board.

• JT Ltd.

• UNITE.

The current in a circuit is 16.5 mA. What is this value in amperes?

• 1.65 A

• 0.165 A

• 0.0165 A

• 0.00165 A

What is the unit of measurement for Energy?

• Joule.

• Amp.

• Volt.

• Hertz.

What is the unit of measurement for resistance?

• Amp

• Volt

• Watt

• Ohm

Which law states that voltage and current are directly proportional to each other?

• Kirchhoff's Law

• Ohms Law

• Watts Law

• Tesla’s Law

What is the csa of a copper conductor, having a resistivity of 0.0172 µΩ/m, a measured resistance of 0.55 Ω and a length of 80 m?

• 1.0 mm²

• 1.5 mm²

• 2.5 mm²

• 4.0 mm²