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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Process Safety Engineering Fundamentals | 15-20% | - Fire and Explosion Dynamics - Equipment Design and Integrity - Thermodynamics and Reaction Hazards - Toxicology and Exposure Assessment - Chemical Process Safety Fundamentals |
| Topic 2: Emergency Planning and Response | 5-10% | - Inherently Safer Design Principles - Containment and Mitigation Barriers - Safety Instrumented Systems (SIS) - Emergency Response Planning |
| Topic 3: Incident Investigation and Learning | 10-15% | - Trending and Performance Metrics - Lessons Learned and Knowledge Management - Root Cause Analysis Methods - Incident Classification and Severity - Investigation Report Development |
| Topic 4: Regulatory Compliance and Auditing | 5-10% | - EPA RMP Regulations - Process Safety Auditing Techniques - International Process Safety Standards - Compliance Verification Methods - OSHA PSM Requirements |
| Topic 5: Operating Procedures and Practices | 10-15% | - Startup and Shutdown Procedures - Standard Operating Procedures (SOPs) - Operations Training and Competency - Safe Work Practices - Permit-to-Work Systems |
| Topic 6: Management of Change (MOC) | 8-12% | - MOC Process Requirements - Technical Review and Risk Assessment - Personnel and Organizational Changes - Temporary vs. Permanent Changes |
| Topic 7: Process Safety Management Systems | 15-20% | - Management Leadership and Commitment - Policy and Strategic Planning - Continuous Improvement Frameworks - Elements of PSM Systems |
| Topic 8: Risk Assessment and Analysis | 20-25% | - Quantitative Risk Assessment (QRA) - Event Tree Analysis (ETA) - Bow-Tie Analysis - Hazard and Operability Analysis (HAZOP) - Fault Tree Analysis (FTA) - Layer of Protection Analysis (LOPA) - Hazard Identification (HAZID) |
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質問 # 30
A 3000 gallon, stainless steel, insulated vessel rated for 30 psig is equipped with a rupture disc set for 30 psig for emergency relief. Assuming each of the following scenarios has been deemed possible, which would require the smallest sized relief?
正解：C
解説：
The correct answer is A because a pool fire scenario typically results in a slower and more predictable heat input compared to other overpressure scenarios, thus requiring a smaller relief capacity .
In CCPS guidance for relief system design and hazard analysis , different scenarios are evaluated based on how rapidly they generate vapor or pressure. A pool fire heats the vessel externally, causing liquid boiling and vapor generation at a rate governed by heat transfer. Although serious, this is generally a gradual energy input
, allowing for comparatively smaller relief sizing.
Option B (internal ignition) involves rapid combustion of vapor within the vessel, producing a very fast pressure rise , often too fast for conventional relief systems to handle effectively. This would require significantly larger or different protective measures.
Option C (runaway reaction) is the most severe scenario. A reaction with a temperature rise rate of 500°C/min indicates extremely rapid energy release, leading to very high vapor generation rates and pressure rise , requiring the largest relief capacity .
CCPS emphasizes that relief devices must be sized for the worst credible scenario , but when comparing scenarios, external fire cases typically produce the lowest required relief rates , while reactive and explosive scenarios demand much larger capacities.
質問 # 31
Austenitic stainless steels are typically susceptible to which of the following corrosion mechanisms specifically attributed to chloride exposure? (Select all that apply)
正解：C、D
質問 # 32
What are some outputs of a Management of Change review? (Select all that apply)
正解：A、B、C、D
解説：
The correct answers are A, B, C, and D because all listed options represent typical and required outputs of an effective Management of Change (MOC) review as defined by CCPS Risk-Based Process Safety.
A (updates to process safety information) is a fundamental output. Any change affecting process conditions, equipment, or materials must be reflected in documents such as P & IDs, datasheets, and design bases to ensure accuracy and safe operation.
B (authorized change request) is the formal approval that confirms the change has been properly reviewed, risks evaluated, and necessary safeguards identified before implementation. CCPS stresses that no change should proceed without proper authorization.
C (revision to related training) is critical because personnel must understand the change and its implications.
Training ensures operators and maintenance staff can safely operate and maintain modified systems.
D (updates to procedures) ensures that operating, maintenance, and emergency procedures remain aligned with the current system configuration. Outdated procedures are a common cause of incidents.
CCPS emphasizes that MOC is not just about approving changes but ensuring all downstream impacts are addressed-documentation, training, procedures, and system readiness-before startup. These outputs collectively ensure that risks introduced by change are effectively managed and controlled.
質問 # 33
A process safety audit team felt that their access to operating personnel was being limited. Which of the following statements would be valid with respect to this situation? (Select all that apply)
正解：B、C
解説：
The correct answers are B and D because CCPS emphasizes that effective audits require open communication and engagement with operating personnel , who play a key role in implementing process safety systems.
Option B is correct because operating personnel have first-hand knowledge of how procedures, safeguards, and systems actually function in practice . They can reveal gaps between documented processes and real- world execution, making their input essential for identifying weaknesses and improvement opportunities.
Option D is also correct because allowing audit teams access to operating personnel reflects a strong process safety culture , characterized by transparency, openness, and willingness to learn. Organizations with mature safety cultures encourage interaction and do not restrict information flow.
Option A is incorrect because facilitating access does not inherently create conflict; rather, it promotes understanding. Option C is incorrect because operators often possess practical expertise that complements management knowledge. Option E is incorrect because while coordination is needed, broad access is generally beneficial, not detrimental.
CCPS highlights that audits should be collaborative and fact-based , and engaging operating personnel is critical to obtaining an accurate assessment of process safety performance.
質問 # 34
Static Electricity accumulation could be a concern with which of the following fluids? (Select all that apply)
正解：A、B、D
解説：
The correct answers are B (Hexane), C (Benzene), and D (Toluene) because these are low-conductivity hydrocarbon liquids , which are highly susceptible to static electricity accumulation .
CCPS guidance explains that static charge buildup occurs when fluids flow, splash, or are agitated- especially in non-conductive or poorly conductive liquids . Hydrocarbons such as hexane, benzene, and toluene have low electrical conductivity , meaning that any generated static charge cannot dissipate easily .
This can lead to charge accumulation and eventual discharge (spark), which may ignite flammable vapor-air mixtures.
In contrast, sea water (A) is highly conductive due to dissolved salts, allowing static charges to dissipate quickly and preventing dangerous accumulation. Therefore, static electricity is generally not a concern with conductive fluids like seawater.
CCPS emphasizes that static hazards are particularly important during operations such as tank filling, transfer, filtration, and mixing of flammable liquids. Proper controls include bonding and grounding, limiting flow velocities, avoiding splash filling, and using anti-static additives where applicable.
Thus, non-conductive flammable liquids (B, C, D) present a significant static ignition hazard, while conductive liquids like seawater do not.
質問 # 35
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