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NEBOSH Process Safety Management
Questions and Answers Latest 2026
Immediate cause Ans: The unsafe act or unsafe condition
that leads directly to the consequences (caused harm,
damage, etc)
Root cause Ans: An underlying circumstance that allowed
the unsafe condition or act to exist (mainly organisational
and management failings)
MOC Ans: Management of Change
Consultation Ans: The two-way exchange of information
between parties, in this case between employer and
worker. This is far more effective than the one-way
exchange that we see when people are simply 'informed'
Competence Ans: The ability to undertake
responsibilities and to perform activities to a recognised
standard on a regular basis... a combination of practical
and thinking skills, experience and knowledge
Leading indicators Ans: Proactive measurements of
conditions that monitor process safety before something
goes wrong and to see if things are operating as intended
Lagging indicators Ans: Reactive measures that look at
failures, such as the number of injuries, the number of
near misses and the number of spills that are reported,
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or excursions where plant is operated outside the
intended operational envelope
Auditing Ans: This can be defined as the "systematic,
objective critical evaluation of how well an organisation's
management system is performing by examining the
evidence"
Hazard Ans: Something that has the potential to cause
harm
Risk Ans: This is the likelihood that a hazard will cause
harm, in a combination with the severity of injury,
damage or loss that might foreseeably occur.
Plan, Do, Check, Act Ans: Plan - establish a clear set of
goals and targets that will move the organisation forward
in terms of health and safety management.
Do - carry out actions to improve health & safety.
Check - monitor and deterimine whether the steps you
have taken are moving you closer to your goals. These
measures can include accident investigation findings.
Act - take action as a result of the monitoring findings in
order to continually improve the process.
COMAH Ans: UK Control of Major Accident Hazards
Regulations 2015
MAPP Ans: Major accident prevention policy
© 2025 All rights reserved
NEBOSH Process Safety Management
Questions and Answers Latest 2026
Immediate cause Ans: The unsafe act or unsafe condition
that leads directly to the consequences (caused harm,
damage, etc)
Root cause Ans: An underlying circumstance that allowed
the unsafe condition or act to exist (mainly organisational
and management failings)
MOC Ans: Management of Change
Consultation Ans: The two-way exchange of information
between parties, in this case between employer and
worker. This is far more effective than the one-way
exchange that we see when people are simply 'informed'
Competence Ans: The ability to undertake
responsibilities and to perform activities to a recognised
standard on a regular basis... a combination of practical
and thinking skills, experience and knowledge
Leading indicators Ans: Proactive measurements of
conditions that monitor process safety before something
goes wrong and to see if things are operating as intended
Lagging indicators Ans: Reactive measures that look at
failures, such as the number of injuries, the number of
near misses and the number of spills that are reported,
© 2025 All rights reserved
, 2 | Page
or excursions where plant is operated outside the
intended operational envelope
Auditing Ans: This can be defined as the "systematic,
objective critical evaluation of how well an organisation's
management system is performing by examining the
evidence"
Hazard Ans: Something that has the potential to cause
harm
Risk Ans: This is the likelihood that a hazard will cause
harm, in a combination with the severity of injury,
damage or loss that might foreseeably occur.
Plan, Do, Check, Act Ans: Plan - establish a clear set of
goals and targets that will move the organisation forward
in terms of health and safety management.
Do - carry out actions to improve health & safety.
Check - monitor and deterimine whether the steps you
have taken are moving you closer to your goals. These
measures can include accident investigation findings.
Act - take action as a result of the monitoring findings in
order to continually improve the process.
COMAH Ans: UK Control of Major Accident Hazards
Regulations 2015
MAPP Ans: Major accident prevention policy
© 2025 All rights reserved
