Safe Pass Hazard Identification on Sites 2 — Questions and Answers
Question 1: What colour are mandatory safety signs?
- Blue and white (Correct answer)
- Red and white
- Yellow and black
- Green and white
Correct answer: Blue and white
Mandatory signs are circular with a blue background and white symbol, indicating an action that must be taken.
Question 2: What colour are warning signs on a construction site?
- Yellow with a black triangle and symbol (Correct answer)
- Green with a white cross
- Red with white text
- Blue with a white arrow
Correct answer: Yellow with a black triangle and symbol
Warning signs are triangular with a yellow background, black border, and black symbol, alerting workers to a potential hazard.
Question 3: What is a biological hazard on a construction site?
- Leptospirosis from rat urine in standing water (Correct answer)
- Loud noise from drilling
- Electric shock from cables
- Dust from cutting concrete
Correct answer: Leptospirosis from rat urine in standing water
Leptospirosis (Weil's disease) is a biological hazard caused by bacteria found in rat urine, commonly found in standing water or wet soil on construction sites.
Question 4: What is an ergonomic hazard?
- A workplace condition that can cause musculoskeletal injury from poor posture or repetitive motion (Correct answer)
- A chemical spill
- An electrical fault
- A fire risk
Correct answer: A workplace condition that can cause musculoskeletal injury from poor posture or repetitive motion
Ergonomic hazards relate to how work tasks, equipment, and workstations interact with the human body, potentially causing musculoskeletal injuries.
Question 5: Which of the following best describes a 'near miss'?
- An incident that could have caused injury but did not (Correct answer)
- A direct hit by a falling object
- A successful rescue operation
- A planned demolition
Correct answer: An incident that could have caused injury but did not
A near miss is an unplanned event that had the potential to cause injury or damage but did not, often due to luck rather than safety measures.
Question 6: Why should near misses be reported on construction sites?
- To identify hazards and prevent future accidents (Correct answer)
- To punish the workers involved
- To increase insurance premiums
- To delay the project timeline
Correct answer: To identify hazards and prevent future accidents
Reporting near misses helps identify hazards and unsafe conditions so corrective action can be taken before a serious accident occurs.
What colour are mandatory safety signs?