NEBOSH HSE PSM Exam Questions and Answers 100% Solved | Graded A+

NEBOSH HSE PSM Exam Questions and Answers 100% Solved | Graded A+ Five Steps for Risk Assessment - ANSWER -Step 1: Identify the hazards. Step 2: Identify the people who might be harmed and how. Step 3: Evaluate the risk and decide on precautions. Step 4: Record the significant findings. Step 5: Review and update as necessary. Risk Assessment Techniques - ANSWER -5 WHs: What, Where, When, How, Why. Bow Tie Model. Hazard and operability study (HAZOP). Hazard Identification (HAZID). Failure Mode Effect Analysis (FMEA). Even Tree Analysis (ETA). What If. Hierarchy of risk controls in process safety management - ANSWER -Inherent safety. Elimination (including minimised inventories). Substitution. Engineering controls (including segregation and spacing of process plant). Administrative controls (procedural/behavioural). Asset Integrity - ANSWER -The ability of the equipment or asset to operate as intended effectively and efficiently over its entire lifespan while ensuring the health and safety of those exposed to it, including the environment. Asset Life Cycle - ANSWER -Phase 1 - Design. Phase 2 - Procurement, construction, installation and testing. Phase 3 - Commissioning. Phase 4 - Operations. Phase 5 - Modifications. Phase 6 - Decommissioning. Types of maintenance - ANSWER -Breakdown maintenance. Condition monitoring. Planned preventive maintenance. Permit to work system - ANSWER -A formal, documented procedure that forms part of the system of work. It is commonly used for high risk work and it documents measures to reduce risks, such as isolations. It is used to ensure that the correct precautions are in place and that all those who need to know about the work are informed. Shift handover information - ANSWER -Operational status of the plant. Any emergency situations or incidents that have occurred. Any safety issues, particularly safety systems that are not operating/are isolated. Details of maintenance activities planned for the incoming shift. Permit to work details, especially those still open. Operational issues for the incoming shift. Planned receipt of hazardous material deliveries for the incoming shift. Any drills or exercises planned. Physical demonstration of plant state. Contractor Management - ANSWER -Contractor selection. Periodic review of contractor safety performance. Contractor induction and obligations to provide information on site risks. Contractor ownership and site supervision/representation. Auditing contractor performance. Contractor handover to client. Types of Start Up and Shut Down - ANSWER -Planned. Unplanned. Emergency. Delayed. Safety Critical Element (SCE): - ANSWER -Such parts of an installation and such of its plant (including computer programs), or any part thereof the failure of which could cause or contribute substantially to or a purpose is to prevent, or limit the effect of a major incident. Safety Instrumented System (SIS) - ANSWER -This is an instrumented system used to implement either a safety control or protection function (or both). An SIS is made of up three connected parts: Sensor, Logic Solver and Final Element. Safety Integrity Level (SIL). - ANSWER -This is related to the concept of Safety Integrity, which is the average probability of a SIS performing its function (under the stated conditions for a required period of time). Remotely Operated Shutoff Valve (ROSOV) - ANSWER -A shutoff valve whose operation can be controlled from a point which is remote from the valve itself, such as in a Control Room. ROSOVs are mainly used for rapid emergency isolation of vessels, pipelines and processes during emergencies, such as major leaks. Emergency Shut-down (ESD). - ANSWER -This is a safety system designed to operate quickly to minimize consequences in the event of an emergency. Definition of FARSI - ANSWER -A model of performance standards for SCEs, which can be described in terms of its: Functionality. Availability. Reliability. Survivability. Interdependency. Saturated Steam - ANSWER -Saturated Steam or Wet Steam is produced at the boiling point of water, at atmospheric pressure this is equivalent to 100 ⁰C. Between 3 and 5% of the water may be entrained in the steam. This reduces