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Safe Isolation

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

What is the primary purpose of electrical safety procedures on a construction site?

a)

To ensure the electrical equipment is functioning properly

b)

To prevent electrical hazards and ensure worker safety

c)

To increase the speed of construction work

d)

To reduce the cost of electrical installations

2.

Which of the following is a common isolation technique used in construction?

a)

Using plastic barriers

b)

Lockout/Tagout procedures

c)

Painting warning signs

d)

Installing CCTV cameras

3.

Which piece of personal protective equipment (PPE) is essential when working with electrical systems?

a)

Hard hat

b)

Insulated gloves

c)

Steel-toed boots

d)

High-visibility vest

4.

What is the first step in conducting a risk assessment on a construction site?

a)

Implementing control measures

b)

Identifying hazards

c)

Evaluating risks

d)

Reviewing the assessment

5.

Which of the following is a key component of site safety management?

a)

Increasing the number of workers

b)

Regular safety audits and inspections

c)

Reducing the number of safety signs

d)

Minimising the use of PPE

6.

What is the primary goal of emergency response planning on a construction site?

a)

To ensure quick resumption of work

b)

To minimise the impact of emergencies on workers and operations

c)

To reduce the cost of emergency equipment

d)

To train workers in construction techniques

7.

Which of the following is NOT considered personal protective equipment (PPE)?

a)

Safety goggles

b)

Earplugs

c)

A mobile phone

d)

Respirator

8.

What is the purpose of a lockout/tagout procedure?

a)

To label tools and equipment

b)

To prevent accidental energisation of equipment

c)

To organise tools in the workplace

d)

To track employee attendance

9.

Which of the following is a method used to evaluate risks during a risk assessment?

a)

Guessing the likelihood of hazards

b)

Using a risk matrix

c)

Asking workers for their opinions

d)

Ignoring minor hazards

10.

What should be included in an emergency response plan?

a)

A list of all employees

b)

Procedures for evacuation and communication

c)

A schedule of daily tasks

d)

A map of the construction site

11.

Which of the following is a common hazard that requires isolation on a construction site?

a)

Noise pollution

b)

Electrical circuits

c)

Dust accumulation

d)

Heavy traffic

12.

What is the role of a site safety manager?

a)

To supervise construction work

b)

To ensure compliance with safety regulations

c)

To design the building structure

d)

To manage the project budget

13.

Which of the following is a benefit of wearing PPE on a construction site?

a)

Increased comfort

b)

Enhanced safety and protection

c)

Improved communication

d)

Faster work completion

14.

What is the significance of conducting regular safety audits on a construction site?

a)

To increase the number of workers

b)

To identify and rectify safety issues

c)

To reduce the cost of materials

d)

To improve the aesthetic of the site

15.

Which of the following is a critical factor in effective emergency response planning?

a)

Having a large workforce

b)

Clear communication and coordination

c)

Reducing the number of drills

d)

Increasing the number of safety signs

16.
1. What does GS38 recommend for test leads/probes
a)
Leads are 1M long
b)
Leads 3M long
c)
Leads 2.5 M long
d)
Leads are different colours
17.
2. Which circuits when testing requires safe isolation
a)
Continuity of ring final, IR test and Continuity of CPC R1+R2 method
b)
Continuity of CPC, RCD test and Earth loop impedance
c)
Continuity of ring final, PFC at origin and Earth loop impedance
d)
Functional tests
18.
3. What check would you make to ensure the instrument is measuring accurately
a)
Visual check
b)
Test on live supply
c)
Regular checks on known values
d)
Check test leads
19.
4. The person carrying out safe Isolation must be
a)
A test engineer
b)
Qualified
c)
An Electrician
d)
Skilled and competent
20.
5. Which test can be carried out if safe isolation is not possible
a)
Continuity of ring final
b)
IR test
c)
Continuity of R2
d)
Continuity of R1 R2
21.
6. Test instruments must comply with
a)
BS 7671
b)
Manufacture instructions
c)
GS 38
d)
EAW regulations