NEBOSH EXAM Questions and Correct Answers the Latest Update and Recommended Version
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Course
NEBOSH
Institution
NEBOSH
What are the 5 steps in a risk assessment?
• 1. Look for the hazards
• 2. Decide who might be harmed and how
• 3. Evaluate the risks
• 4. Record the significant findings
• 5. Review the assessment and revise it if necessary
What is the hierarchy of risk control?
• a) eliminate th...
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NEBOSH EXAM Questions and Correct
Answers the Latest Update and
Recommended Version
What are the 5 steps in a risk assessment?
• 1. Look for the hazards
• 2. Decide who might be harmed and how
• 3. Evaluate the risks
• 4. Record the significant findings
• 5. Review the assessment and revise it if necessary
What is the hierarchy of risk control?
• a) eliminate the hazard
• b) substitute with less hazardous materials, processes, operations or equipment
• c) use engineering controls
• d) use safety signs, markings and warning devices and administrative controls
• e) use personal protective equipment
Give examples of sources of ignition in a typical construction site.
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How are electrical fires extinguished?
• Class A: solid materials eg paper or wood
• Extinguished by cooling using water (red)
•
• Class B: liquids or liquefied solids eg paint, oil or fats
• B1: liquids soluble in water eg methanol.
• Extinguished by CO2 (black) and dry powder (blue)
• B2: liquids not soluble in water eg petrol and oil.
• Extinguished by foam (cream), CO2, dry powder
•
• Class C: gases eg butane and propane.
• Extinguished by dry powder
•
• Class D: fires involving metals eg aluminium or magnesium.
• Extinguished by special dry powders eg containing graphite
•
• Class F: cooking oil or fat in catering.
• Extinguished with yellow extinguisher
•
• Electrical fires are extinguished by CO2 or dry powder.
What are the 4 ways heat can be transmitted?
• Convection
• Conduction
• Radiation
• Direct burning
What are common causes of fire on a construction site?
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