NEBOSH Working at Height 1

Question 1

Under working at height regulations, which hierarchy of controls should be applied FIRST when work at height cannot be avoided?

Accepted Answer

Install collective fall prevention measures such as guardrails

Answer

Collective fall prevention measures (e.g., guardrails, barriers) take priority over personal protective equipment because they protect all workers without relying on individual action.

Question 2

What is the recommended maximum angle from vertical for a leaning ladder when placed against a surface?

Accepted Answer

75 degrees

Answer

A leaning ladder should be set at a 75-degree angle (1 unit out for every 4 units up), which provides the safest combination of stability and reach.

Question 3

Which of the following is classified as 'work at height' under NEBOSH IGC guidelines?

Accepted Answer

Working on a flat roof with no edge protection

Answer

Any work where a person could fall and injure themselves, including on a flat roof with no edge protection, is classified as work at height regardless of the distance above ground.

Question 4

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

Accepted Answer

To prevent tools and materials from falling off the edge

Answer

Toe boards are fitted at the edges of scaffold platforms to prevent tools, materials, and debris from rolling or sliding off and striking people below.

Question 5

Before erecting a scaffold, which factor relating to the ground conditions must be assessed?

Accepted Answer

The load-bearing capacity of the ground to support the scaffold

Answer

The ground's load-bearing capacity must be assessed to ensure scaffold base plates and sole boards are adequate to spread the load and prevent settlement or collapse.

NEBOSH IGC Practice Test

NEBOSH IGC Practice Test

NEBOSH Working at Height 1