MCQ Flashcards
7 cards from real CSCS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 MCQ flashcards as text
What is the minimum height at which edge protection (guardrails) must be provided on a construction site scaffold?
Answer: 2 meters
Under Work at Height Regulations, edge protection must be provided when working at 2 meters or more above ground level.
A co-worker is using a circular saw without blade guards fitted. What should you do first?
Answer: Stop the worker immediately and report to the supervisor
Missing machine guards are an immediate danger; stop the unsafe work and report it to a supervisor right away.
Which type of fire extinguisher is SAFE to use on an electrical fire?
Answer: CO2 (black)
CO2 extinguishers (black label) are non-conductive and safe for use on live electrical equipment.
What does a blue and white safety sign on a construction site indicate?
Answer: Mandatory — action must be taken
Blue circular signs are mandatory signs that require specific behavior, such as wearing PPE.
Before excavating near underground services, a worker should FIRST:
Answer: Obtain up-to-date service drawings and use a CAT scanner
Always obtain current service drawings and use a cable avoidance tool (CAT) before any excavation to locate buried utilities.
Under OSHA regulations, what is the maximum weight an individual worker is generally expected to lift without mechanical assistance?
Answer: 50 lbs (23 kg)
OSHA generally recommends a maximum single lift of 50 lbs (23 kg); heavier loads should use mechanical aids or team lifts.
If you discover asbestos-containing material while breaking out a wall, you should:
Answer: Stop work, leave the area undisturbed, and report to the supervisor
Disturbing asbestos releases dangerous fibers; stop all work immediately and report so licensed removal contractors can be engaged.