Hazard Identification and Risk Assessment MCQs
1. What is the primary objective of hazard identification and risk assessment (HIRA)?
a) To eliminate all workplace hazards
b) To prioritize safety training programs
c) To identify hazards and control associated risks
d) To comply with insurance requirements
Answer: c) To identify hazards and control associated risks
Explanation: The main goal of HIRA is to systematically identify hazards and assess risks to implement effective control measures and ensure workplace safety.
2. Which of the following is considered a hazard in the workplace?
a) A poorly maintained machine
b) Loud noise levels
c) Slippery floors
d) All of the above
Answer: d) All of the above
Explanation: Hazards in the workplace can include physical conditions like machinery, environmental factors like noise, or immediate risks like slippery floors.
3. What is the first step in the risk assessment process?
a) Implementing control measures
b) Evaluating the risk level
c) Identifying potential hazards
d) Reviewing workplace safety policies
Answer: c) Identifying potential hazards
Explanation: The first step in risk assessment is identifying potential hazards that could harm employees, followed by evaluating and mitigating the risks.
4. Which type of hazard is associated with improper lifting techniques?
a) Biological hazard
b) Physical hazard
c) Ergonomic hazard
d) Chemical hazard
Answer: c) Ergonomic hazard
Explanation: Improper lifting techniques can lead to ergonomic hazards, such as musculoskeletal injuries, due to strain on the body.
5. What does the term “residual risk” refer to?
a) The risk after control measures are applied
b) The initial risk before assessment
c) The risk that cannot be identified
d) The risk associated with low-priority tasks
Answer: a) The risk after control measures are applied
Explanation: Residual risk is the remaining risk after all safety measures have been implemented. It must be monitored and managed effectively.
6. What is the role of the risk matrix in risk assessment?
a) To eliminate workplace hazards
b) To prioritize risks based on likelihood and severity
c) To implement training programs
d) To identify all physical hazards
Answer: b) To prioritize risks based on likelihood and severity
Explanation: A risk matrix helps categorize and prioritize risks by combining their likelihood of occurrence and potential severity.
7. Which of the following is an example of an administrative control to manage risk?
a) Installing safety guards on machinery
b) Providing employees with gloves and goggles
c) Implementing a job rotation schedule
d) Using a less hazardous chemical
Answer: c) Implementing a job rotation schedule
Explanation: Administrative controls include changes in work policies or procedures, like job rotation, to reduce exposure to hazards.
8. What does the term “hazard” mean in the context of workplace safety?
a) A potential source of harm or adverse health effect
b) A rare event with minimal consequences
c) A natural disaster that disrupts operations
d) A device used to prevent injuries
Answer: a) A potential source of harm or adverse health effect
Explanation: A hazard is any condition or situation that could potentially cause harm to people, property, or the environment.
9. Which of the following best describes a dynamic risk assessment?
a) A risk assessment that is revised annually
b) An on-the-spot evaluation of changing risks in real-time
c) A systematic evaluation conducted at the project start
d) An analysis of historical safety data
Answer: b) An on-the-spot evaluation of changing risks in real-time
Explanation: Dynamic risk assessment involves assessing risks in rapidly changing situations where immediate decisions are required.
10. What is the primary purpose of hazard controls?
a) To eliminate the need for personal protective equipment
b) To reduce the severity and likelihood of risks
c) To comply with legal requirements
d) To maintain productivity
Answer: b) To reduce the severity and likelihood of risks
Explanation: Hazard controls aim to minimize the impact and likelihood of hazards, ensuring a safer work environment.
11. Which type of hazard is associated with exposure to hazardous chemicals?
a) Ergonomic hazard
b) Biological hazard
c) Chemical hazard
d) Physical hazard
Answer: c) Chemical hazard
Explanation: Chemical hazards arise from exposure to harmful chemicals, such as toxic fumes, liquids, or dust.
12. What is the Hierarchy of Controls in risk management?
a) A process for prioritizing tasks based on risk
b) A ranking system for hazard types
c) A framework for hazard elimination and risk reduction
d) A tool for reviewing safety policies
Answer: c) A framework for hazard elimination and risk reduction
Explanation: The Hierarchy of Controls includes Elimination, Substitution, Engineering Controls, Administrative Controls, and PPE, prioritized in order of effectiveness.
13. Which risk level indicates immediate action is required?
a) Low risk
b) Medium risk
c) High risk
d) Negligible risk
Answer: c) High risk
Explanation: High-risk situations require immediate attention and mitigation to protect employees and prevent accidents.
14. Which of the following is a physical hazard?
a) Repetitive motions
b) Noise exposure
c) Toxic fumes
d) Infectious diseases
Answer: b) Noise exposure
Explanation: Physical hazards include environmental factors like noise, vibrations, or extreme temperatures that can harm workers.
15. What is the final step in the risk assessment process?
a) Documenting findings and recommendations
b) Conducting a follow-up inspection
c) Reviewing employee compliance
d) Evaluating new hires
Answer: a) Documenting findings and recommendations
Explanation: The risk assessment process concludes with documenting the hazards, risks, and recommended controls for ongoing monitoring and compliance.
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16. What does the term “risk” refer to in the context of workplace safety?
a) The chance of a hazard causing harm
b) The severity of an injury or damage
c) A legal requirement for compliance
d) A safety rule violation
Answer: a) The chance of a hazard causing harm
Explanation: Risk is the likelihood that a hazard will cause harm, combined with the severity of the potential consequences.
17. Which of the following is an example of substitution in hazard control?
a) Replacing a toxic solvent with a less harmful one
b) Installing guards on machines
c) Providing safety goggles to workers
d) Rotating employees to reduce exposure time
Answer: a) Replacing a toxic solvent with a less harmful one
Explanation: Substitution involves replacing hazardous materials or processes with safer alternatives to reduce risk.
18. Why is it essential to involve employees in hazard identification and risk assessment?
a) To improve worker morale
b) To ensure legal compliance
c) To gain insights into potential hazards they face
d) To delegate safety responsibilities
Answer: c) To gain insights into potential hazards they face
Explanation: Employees have firsthand knowledge of their work environment and tasks, making their input valuable for identifying hazards and assessing risks.
19. What is the primary benefit of conducting a Job Safety Analysis (JSA)?
a) Identifying training needs for employees
b) Documenting workplace hazards for legal purposes
c) Breaking down tasks to identify specific hazards
d) Improving communication between departments
Answer: c) Breaking down tasks to identify specific hazards
Explanation: A JSA systematically analyzes individual job tasks to identify hazards and implement effective control measures.
20. Which of the following is an example of an engineering control?
a) Conducting regular safety training
b) Using ventilation systems to remove harmful fumes
c) Implementing a work-rest schedule
d) Replacing manual lifting with team lifting
Answer: b) Using ventilation systems to remove harmful fumes
Explanation: Engineering controls focus on physically modifying the workplace or processes to reduce or eliminate exposure to hazards.
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