NEBOSH Working at Height

Question 1

Under the Work at Height Regulations 2005, which statement best describes the legal definition of 'work at height'?

Accepted Answer

Work in any place where, if precautions were not taken, a person could fall and be injured, including below ground level

Answer

Any work performed more than 2 metres above ground level

Answer

Work performed above the roof level of a building

Answer

Any work requiring the use of ladders, scaffolding, or elevated platforms

Question 2

When applying the hierarchy of controls for working at height, which measure should always be considered first?

Accepted Answer

Avoid working at height altogether if it is reasonably practicable to do so

Answer

Use collective fall prevention measures such as guard rails and edge protection

Answer

Issue workers with personal fall arrest equipment such as harnesses

Answer

Provide workers with appropriate training and instruction before the work begins

Question 3

What is the minimum height for guard rails on a working platform as specified in Schedule 2 of the Work at Height Regulations 2005?

Accepted Answer

950mm

Answer

910mm

Answer

1000mm

Answer

1100mm

Question 4

Which of the following is an example of a collective fall prevention measure?

Accepted Answer

Edge protection comprising guard rails and toe boards around a platform

Answer

Safety harness connected to an overhead anchor point

Answer

Personal energy-absorbing lanyard worn by the individual worker

Answer

A buddy system where a ground-level colleague monitors the worker

Question 5

What is the correct ratio for positioning a leaning ladder under the '1-in-4 rule'?

Accepted Answer

One unit out from the base for every 4 units of height

Answer

One unit out from the base for every 3 units of height

Answer

One unit out from the base for every 5 units of height

Answer

One unit out from the base for every 2 units of height

Question 6

What does PASMA stand for, and what is it primarily concerned with?

Accepted Answer

Prefabricated Access Suppliers' and Manufacturers' Association — mobile access towers

Answer

Professional Association for Safe Maintenance Activities — general workplace safety

Answer

Personal and Safety Management Authority — personal fall protection equipment

Answer

Platform Access Safety and Maintenance Association — scaffold inspections

Question 7

What is the primary purpose of a toe board fitted to a working scaffold platform?

Accepted Answer

To prevent tools, materials, and debris from falling and striking workers below

Answer

To provide additional structural rigidity and load-bearing capacity to the platform

Answer

To give workers a tactile reference point when approaching the platform edge

Answer

To support the guard rail post in its correct vertical position