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Electrical Safety Quiz for Students

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Which UK regulation specifically governs the safety of electrical equipment in the workplace?

a)

The Health and Safety at Work Act 1974

b)

The Electricity at Work Regulations 1989

c)

The Control of Substances Hazardous to Health Regulations 2002

d)

The Provision and Use of Work Equipment Regulations 1998

2.

What is the primary purpose of a risk assessment when working with electrical machines?

a)

To record the number of machines in use

b)

To identify hazards and implement control measures

c)

To check the cost of equipment

d)

To ensure all staff have uniforms

3.

Which of the following is considered essential personal protective equipment (PPE) when working on live electrical circuits?

a)

Woollen gloves

b)

Insulated gloves

c)

Leather sandals

d)

Cotton overalls

4.

What is the correct procedure before starting maintenance on an electrical machine?

a)

Turn off the lights

b)

Isolate and lock off the power supply

c)

Remove all PPE

d)

Increase the voltage

5.

Which of the following tools is safest to use when working on electrical equipment?

a)

Metal screwdriver with no insulation

b)

Insulated screwdriver

c)

Wooden hammer

d)

Steel ruler

6.

What does the term 'residual current device' (RCD) refer to?

a)

A device that increases current flow

b)

A device that disconnects a circuit if a fault is detected

c)

A device that stores electrical energy

d)

A device that measures voltage

7.

Which of the following is NOT a step in the risk assessment process?

a)

Identifying hazards

b)

Ignoring minor risks

c)

Evaluating risks

d)

Recording findings

8.

What is the minimum safe distance to keep from exposed live parts under UK regulations?

a)

1 foot

b)

1 metre

c)

10 feet

d)

5 metres

9.

Which type of footwear is recommended when working in an electrical workshop?

a)

Open-toed sandals

b)

Trainers

c)

Steel-toe cap boots with rubber soles

d)

Bare feet

10.

What should you do if you discover a damaged cable on an electrical machine?

a)

Ignore it and continue working

b)

Report it and do not use the machine

c)

Tape it up with any available tape

d)

Cut off the damaged section and use the rest

11.

Which of the following is a legal requirement under the Electricity at Work Regulations 1989?

a)

All electrical work must be carried out by a qualified person

b)

Only new equipment needs to be tested

c)

Only supervisors need to know the regulations

d)

All equipment must be painted red

12.

What is the main function of a fuse in an electrical circuit?

a)

To increase current flow

b)

To protect the circuit by breaking the connection if current is too high

c)

To store electrical energy

d)

To measure resistance

13.

Which of the following is NOT considered PPE for electrical work?

a)

Safety goggles

b)

Insulated gloves

c)

Ear defenders

d)

Flip-flops

14.

When should a risk assessment be reviewed?

a)

Only after an accident

b)

Whenever there is a significant change in the workplace

c)

Every ten years

d)

Never

15.

Which of the following is the correct equation for electrical power?

a)

P=V×IP = V \times I

b)

P=I2/RP = I^2 / R

c)

P=V/RP = V / R

d)

P=R×IP = R \times I

16.

What is the first thing you should do if someone receives an electric shock?

a)

Touch them to check if they are conscious

b)

Switch off the power supply

c)

Pour water on them

d)

Run away

17.

Which of the following is a hazard associated with using electrical tools in a damp environment?

a)

Increased risk of electric shock

b)

Reduced tool efficiency

c)

Overheating of the tool

d)

Increased noise

18.

What is the purpose of a lock-off device?

a)

To keep a door closed

b)

To prevent accidental energisation of equipment

c)

To store tools safely

d)

To increase voltage

19.

Which of the following is the best way to test if a circuit is live?

a)

Touch the wires with your hand

b)

Use a voltage tester

c)

Listen for buzzing sounds

d)

Smell for burning

20.

What is the recommended maximum voltage for hand-held tools in a construction environment in the UK?

a)

230 V

b)

110 V

c)

400 V

d)

12 V

21.

Which of the following should be included in a risk assessment for electrical work?

a)

The weather forecast

b)

Identification of hazards, who might be harmed, and control measures

c)

The colour of the equipment

d)

The age of the building

22.

What is the main reason for using insulated tools when working with electricity?

a)

To make the tools lighter

b)

To prevent electric shock

c)

To improve grip

d)

To reduce noise

23.

Which of the following is a sign of faulty electrical equipment?

a)

Frayed cables

b)

Secure connections

c)

Clean surfaces

d)

Proper labelling

24.

What should you do before using any electrical tool?

a)

Check for visible damage and test the tool

b)

Assume it is safe if it looks new

c)

Use it immediately

d)

Ask a friend to try it first

25.

Which of the following is NOT a control measure for reducing electrical risks?

a)

Using RCDs

b)

Using insulated tools

c)

Wearing metal jewellery

d)

Isolating the power supply

26.

What is the correct action if you must work near exposed live parts?

a)

Wear appropriate PPE and use insulated tools

b)

Work barefoot for better grounding

c)

Use metal ladders

d)

Ignore safety procedures

27.

Which of the following is a legal duty of employers under UK electrical safety regulations?

a)

To provide free lunch

b)

To ensure all electrical systems are maintained in a safe condition

c)

To allow unlimited overtime

d)

To provide company cars

28.

What is the main risk of using damaged extension leads?

a)

Reduced power output

b)

Increased risk of electric shock or fire

c)

Increased noise

d)

Lower voltage

29.

Which of the following is the safest way to disconnect a plug from a socket?

a)

Pull the cable

b)

Pull the plug body

c)

Twist the cable

d)

Use a metal tool

30.

What is the recommended action if you are unsure about the safety of an electrical machine?

a)

Use it anyway

b)

Ask a qualified person for advice

c)

Try to repair it yourself

d)

Ignore the issue