NEBOSH HSE PSM EXAM 2 ASSESSMENT
SCRIPT 2026 VERIFIED ANSWERS
COMPREHENSIVE REVIEW
◉ Inherent safety; elimination; substitution; engineering controls;
administrative controls.
Answer: Order the following into hierarchy of risk controls:
[administrative controls; elimination; engineering controls; inherent
safety; substitution]
◉ Double block and bleed.
Answer: The process of isolating a chemical or process line by
closing and locking, or tagging two inline valves and opening a
drain/vent line between them.
◉ Purpose: double block and bleed.
Answer: Process to ensure any leaks occuring during maintenance
are to a safe location, and not the open end of the line where work is
carried out.
◉ Asset.
Answer: An item of equipment or an area of production plant
,◉ Asset integrity.
Answer: The ability of the equipment to operate as intended
effectively and efficiently over its entire lifespan
◉ ATEX.
Answer: Two EU directives that control explosive atmosphere
◉ symbol for ATEX-approved equipment.
Answer: symbol: εx
◉ symbol: εx.
Answer: symbol for ATEX-approved equipment
◉ ATEX-approved equipment.
Answer: equipment that is suitable for use in an explosive
atmosphere
◉ Design; Procurement, construction, installation and testing;
Commissioning; Operations; Modifications; Decommissioning.
Answer: Order the following asset integrity lifecycle phases:
[Commissioning; Decommissioning; Design; Modifications;
Operations; Procurement, construction, installation and testing]
, ◉ Three main maintenance and inspection strategies.
Answer: Breakdown maintenance; Condition monitoring; Planned
preventative maintenance
◉ Asset integrity lifecycle phases.
Answer: Design; Procurement, construction, installation and testing;
Commissioning; Operations; Modifications; Decommissioning
◉ Breakdown maintenance; Condition monitoring; Planned
preventative maintenance.
Answer: What are the three main maintenance and inspection
strategies?
◉ Breakdown maintenance.
Answer: Highly reactive maintenance strategy that relies on the
operator repairing or replacing plant and equipment that has failed
while in use.
◉ Condition monitoring.
Answer: A maintenance strategy whereby the operator looks at
indicators that could demonstrate equipment is not, or will not be,
working as intended
◉ Planned Preventative Maintenance.
SCRIPT 2026 VERIFIED ANSWERS
COMPREHENSIVE REVIEW
◉ Inherent safety; elimination; substitution; engineering controls;
administrative controls.
Answer: Order the following into hierarchy of risk controls:
[administrative controls; elimination; engineering controls; inherent
safety; substitution]
◉ Double block and bleed.
Answer: The process of isolating a chemical or process line by
closing and locking, or tagging two inline valves and opening a
drain/vent line between them.
◉ Purpose: double block and bleed.
Answer: Process to ensure any leaks occuring during maintenance
are to a safe location, and not the open end of the line where work is
carried out.
◉ Asset.
Answer: An item of equipment or an area of production plant
,◉ Asset integrity.
Answer: The ability of the equipment to operate as intended
effectively and efficiently over its entire lifespan
◉ ATEX.
Answer: Two EU directives that control explosive atmosphere
◉ symbol for ATEX-approved equipment.
Answer: symbol: εx
◉ symbol: εx.
Answer: symbol for ATEX-approved equipment
◉ ATEX-approved equipment.
Answer: equipment that is suitable for use in an explosive
atmosphere
◉ Design; Procurement, construction, installation and testing;
Commissioning; Operations; Modifications; Decommissioning.
Answer: Order the following asset integrity lifecycle phases:
[Commissioning; Decommissioning; Design; Modifications;
Operations; Procurement, construction, installation and testing]
, ◉ Three main maintenance and inspection strategies.
Answer: Breakdown maintenance; Condition monitoring; Planned
preventative maintenance
◉ Asset integrity lifecycle phases.
Answer: Design; Procurement, construction, installation and testing;
Commissioning; Operations; Modifications; Decommissioning
◉ Breakdown maintenance; Condition monitoring; Planned
preventative maintenance.
Answer: What are the three main maintenance and inspection
strategies?
◉ Breakdown maintenance.
Answer: Highly reactive maintenance strategy that relies on the
operator repairing or replacing plant and equipment that has failed
while in use.
◉ Condition monitoring.
Answer: A maintenance strategy whereby the operator looks at
indicators that could demonstrate equipment is not, or will not be,
working as intended
◉ Planned Preventative Maintenance.
