MCQ Flashcards

When should a safety harness be inspected before use?

Answer: Before every use by the wearer

The wearer must inspect their harness before every use for cuts, fraying, damaged buckles, or corrosion that could cause it to fail during a fall.

What action should be taken when a worker receives a CSCS card that has expired?

Answer: Stop work in roles requiring a CSCS card and renew immediately

An expired CSCS card is not a valid card — the worker must stop working in CSCS-required roles and renew before returning to those duties.

Hand-arm vibration syndrome (HAVS) is caused by prolonged exposure to:

Answer: Vibration from power tools such as drills and compactors

HAVS is an irreversible condition caused by regular exposure to hand-transmitted vibration from power tools, leading to numbness, pain, and loss of grip.

Which of the following is a sign that an excavation is at risk of collapse?

Answer: Cracks appearing near the top edge of the excavation

Cracks near the edge of an excavation indicate soil movement and imminent collapse — the area should be evacuated and the excavation shored immediately.

What does a Permit to Work system ensure on a construction site?

Answer: That high-risk activities are formally authorized, controlled, and communicated

A Permit to Work is a formal written system that ensures high-risk tasks (confined space entry, hot work, live electrical work) are properly planned, authorized, and supervised.

What is the first step in the risk assessment process?

Answer: Identify the hazards

You cannot assess or control a risk until you have first identified what the hazards are — hazard identification is always step one.

When a worker receives a first aid injury on site, the NEXT step after giving first aid is to:

Answer: Record the incident in the site accident book as soon as possible

All injuries, however minor, must be recorded in the site accident/incident book promptly to maintain a legal record and support any future investigation.