CITB Specialists Working at Height Safety

Question 1

Under the Work at Height Regulations 2005, when do the regulations apply?

Accepted Answer

Whenever there is a risk of a fall liable to cause personal injury

Answer

Only when working above 2 metres

Answer

Only on construction sites and industrial premises

Answer

Only when using ladders or scaffolding

Question 2

What is the correct hierarchy of control measures when planning work at height?

Accepted Answer

Avoid work at height; if unavoidable, prevent falls using collective measures; then minimise fall consequences

Answer

Use PPE first, then provide training, then conduct a risk assessment

Answer

Erect scaffolding, issue harnesses, then brief the team

Answer

Issue a permit to work, install guardrails, then inspect equipment

Question 3

At what angle should a leaning ladder be set for safe use?

Accepted Answer

75 degrees to the ground, using the 1-in-4 rule

Answer

45 degrees to the vertical

Answer

90 degrees to the ground (straight up)

Answer

60 degrees to the ground

Question 4

When joining two sections of an extension ladder, what is the minimum number of rungs that must overlap?

Accepted Answer

3 rungs

Answer

1 rung

Answer

2 rungs

Answer

5 rungs

Question 5

Which of the following is a collective fall prevention measure rather than a personal protective measure?

Accepted Answer

Edge protection comprising guardrails, intermediate rail, and toe boards

Answer

Safety harness and energy-absorbing lanyard

Answer

Personal fall arrest system attached to an anchor point

Answer

Inertia reel retractable fall arrester

Question 6

What is the primary purpose of toe boards fitted at the edges of working platforms?

Accepted Answer

To stop tools, materials, and debris from falling and striking people below

Answer

To prevent workers from slipping off the platform surface

Answer

To provide additional structural support to the scaffold

Answer

To prevent water from collecting at the platform edge

Question 7

Before using a ladder on site, what check must every user carry out?

Accepted Answer

A pre-use visual check to confirm the ladder is in a safe condition

Answer

A formal written inspection submitted to the site manager

Answer

Load testing to confirm the ladder's weight capacity

Answer

A check with the HSE that the ladder is on the approved equipment register