OH&S Final Exam Questions with Correct Answers Latest Update 2025/2026
HAZARD definition - Answers Any condition or changing set of circumstances that has the
potential to cause an injury
Event definition - Answers Any activity that may occur on a day-to-day basis as a direct or
indirect result of some human-related undertaking
Incident definition - Answers Any observable human activity that is an unwanted event or
occurrence that might have had a negative impact on the people, property or process involved
ACCIDENT definition - Answers Any unwanted event that causes harm to people, property or
processes
Injury definition - Answers Any trauma, physical or mental, direct or indirect, acute or chronic,
experienced by a human being
what's an unsafe act? - Answers Generally refers to a deviation from standard job procedures or
practices that increase a worker's exposure to a hazard.
what is a positive tree - Answers Shows graphically how a job should be done.
what is a fault tree? - Answers An illustration of things that can/do go wrong
what's RAC? - Answers Recognition, assessment & control - process of determining factors
likely to cause incidents or accidents
4 areas of hazard analysis - Answers 1. Ergonomic Factors
2. Human Factors
3. Situational Factors
4. Environmental Factors
what is materials handling? - Answers describes the Process & Procedure for:
1. Lifting
2. Carrying
3. Lowering
what's an RSI? - Answers Repetitive-strain injury - An injury whose origin can be traced to
continuous & repetitive actions that produce muscle &/or skeletal strain.
4 conditions of RSI - Answers 1. Unnatural Joint Position or Posture
2. Force(d) Application to Hinge(d) Joints
, 3. Activity Repetition, and
4. Pre-Existing Conditions
know errors of omission & commission - Answers - Commission: When an Accident happens by
Doing an Action it's called an Error of Commission or Poor Judgment
- Omission: When an Accident happens by Not Doing an Action or by failing to do something it's
called an Error of Omission or a Human Factor.
categories of unsafe acts - Answers 1. Predictable: The act/action was predicted &/or was
predictable perpetrator did the act/action knowingly
2. Random: An act/action that happens without it being able to be predicted or be predictable
unsafe conditions - Answers 4 categories:
1. Defects in Design
2. Substandard Construction
3. Improper Storage of Hazardous Materials
4. Inadequate Planning, Layout & Design
risk formula - Answers Risk = probability x consequences x exposure
Hazard Control definition - Answers The process or programme used to set up preventative &
corrective measures.
what's an emergency? - Answers a sudden, generally unexpected occurrence or set of
circumstances demanding immediate action
what is due diligence? - Answers Taking every precaution possible for the protection of the
worker' according to the OH&S Act
what are the 3 parts of RAC - Answers 1. Pre-Contact Control - Addressing issues before an
incident/accident happens.
2. Contact Control - Identifying ways in which a hazardous situation can become worse & more
harmful to people & property.
HAZARD definition - Answers Any condition or changing set of circumstances that has the
potential to cause an injury
Event definition - Answers Any activity that may occur on a day-to-day basis as a direct or
indirect result of some human-related undertaking
Incident definition - Answers Any observable human activity that is an unwanted event or
occurrence that might have had a negative impact on the people, property or process involved
ACCIDENT definition - Answers Any unwanted event that causes harm to people, property or
processes
Injury definition - Answers Any trauma, physical or mental, direct or indirect, acute or chronic,
experienced by a human being
what's an unsafe act? - Answers Generally refers to a deviation from standard job procedures or
practices that increase a worker's exposure to a hazard.
what is a positive tree - Answers Shows graphically how a job should be done.
what is a fault tree? - Answers An illustration of things that can/do go wrong
what's RAC? - Answers Recognition, assessment & control - process of determining factors
likely to cause incidents or accidents
4 areas of hazard analysis - Answers 1. Ergonomic Factors
2. Human Factors
3. Situational Factors
4. Environmental Factors
what is materials handling? - Answers describes the Process & Procedure for:
1. Lifting
2. Carrying
3. Lowering
what's an RSI? - Answers Repetitive-strain injury - An injury whose origin can be traced to
continuous & repetitive actions that produce muscle &/or skeletal strain.
4 conditions of RSI - Answers 1. Unnatural Joint Position or Posture
2. Force(d) Application to Hinge(d) Joints
, 3. Activity Repetition, and
4. Pre-Existing Conditions
know errors of omission & commission - Answers - Commission: When an Accident happens by
Doing an Action it's called an Error of Commission or Poor Judgment
- Omission: When an Accident happens by Not Doing an Action or by failing to do something it's
called an Error of Omission or a Human Factor.
categories of unsafe acts - Answers 1. Predictable: The act/action was predicted &/or was
predictable perpetrator did the act/action knowingly
2. Random: An act/action that happens without it being able to be predicted or be predictable
unsafe conditions - Answers 4 categories:
1. Defects in Design
2. Substandard Construction
3. Improper Storage of Hazardous Materials
4. Inadequate Planning, Layout & Design
risk formula - Answers Risk = probability x consequences x exposure
Hazard Control definition - Answers The process or programme used to set up preventative &
corrective measures.
what's an emergency? - Answers a sudden, generally unexpected occurrence or set of
circumstances demanding immediate action
what is due diligence? - Answers Taking every precaution possible for the protection of the
worker' according to the OH&S Act
what are the 3 parts of RAC - Answers 1. Pre-Contact Control - Addressing issues before an
incident/accident happens.
2. Contact Control - Identifying ways in which a hazardous situation can become worse & more
harmful to people & property.
