多くのお客様は、当社のCCPSC試験問題の価格に疑問を抱いている場合があります。真実は、私たちの価格が同業者の間で比較的安いということです。避けられない傾向は、知識が価値あるものになりつつあることであり、それはなぜ良いCCPSCのリソース、サービス、データが良い価格に値するかを説明しています。私たちは常にお客様を第一に考えます。したがって、割引を随時提供しており、1年後にCCPSCの質問と回答を2回目に購入すると、50％の割引を受けることができます。低価格で高品質。これが、CCPSC準備ガイドを選択する理由です。
| Section | Objectives |
|---|---|
| Topic 1: Risk-Based Process Safety (RBPS) Framework | - Operational Readiness - Incident Investigation - Process Safety Culture - Hazard Identification and Risk Analysis - Conduct of Operations - Operating Procedures - Asset Integrity and Reliability - Management Review and Continuous Improvement - Compliance with Standards - Management of Change - Auditing - Metrics and Performance Measurement - Process Knowledge Management - Training and Performance Assurance - Safe Work Practices - Contractor Management - Emergency Management |
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質問 # 78
Which of the following events require a process safety incident investigation? (Select all that apply)
正解：C、E、F
解説：
The correct answers are A (Explosion), C (Toxic release), and E (Runaway reaction) because these events are directly related to loss of containment or loss of control of hazardous process materials or energy , which defines a process safety incident under CCPS guidance.
An explosion (A) is a major process safety event involving uncontrolled energy release. A toxic release (C) represents a loss of containment of hazardous chemicals, posing risks to personnel, the public, and the environment. A runaway reaction (E) is a classic process safety scenario involving loss of control of chemical reactions, often leading to overpressure, fire, or explosion.
Option B (fire in an office building) is not a process safety event because it does not involve process materials or systems. Option D (allergic response) and F (slip, trip, or fall injury) are occupational safety issues , not process safety incidents, as they do not involve failures of process systems or hazardous material containment.
CCPS distinguishes between process safety incidents (low-frequency, high-consequence) and occupational safety incidents (higher frequency, lower consequence) . Investigations in process safety focus on events involving chemical releases, fires, explosions, or loss of process control , making A, C, and E the correct selections.
質問 # 79 
During a field inspection of the process piping in a production unit, a section of piping is identified as containing a dead leg in which stagnant liquid is trapped. It is determined that this dead leg branch line is used very infrequently. Assume that the plant is in a location where winter temperatures drop below 20°F (-7°C) and summer temperatures can exceed 90°F (32°C). Which of the following are valid process safety reasons to remove the line? (Select all that apply)
正解：A、B
解説：
The correct answers are B and D because they directly relate to process safety risks associated with mechanical integrity and loss of containment .
Option B is correct because stagnant liquid in a dead leg can freeze in cold temperatures , especially below 20°
F. When water or process liquid freezes, it expands, which can lead to pipe rupture or cracking , creating a potential loss of containment scenario. This is a well-recognized hazard in cold climates and is specifically addressed in CCPS guidance on mechanical integrity and design for environmental conditions.
Option D is also correct because stagnant fluids promote localized corrosion mechanisms , such as pitting or microbiologically influenced corrosion (MIC). Dead legs are particularly vulnerable because there is little or no flow , allowing corrosive species to concentrate and degrade the pipe wall over time.
Option A is not a process safety reason-it is an economic consideration. Option C relates to occupational safety (trip hazard) , not process safety.
CCPS emphasizes eliminating dead legs where possible because they are common sources of corrosion, blockage, and integrity failure , all of which can lead to hazardous releases.
質問 # 80
Which of the following approaches can be used to prevent fires and explosions? (select all that apply)
正解：A、B、C、D
解説：
The correct answer is A, B, C, and D because all listed options are recognized by CCPS as key preventive measures to control ignition sources and flammable atmospheres , which are the two essential elements required for fires and explosions.
Option A (prevent static accumulation) is important because static discharge can act as an ignition source, especially in low-conductivity fluids. Proper grounding and bonding prevent charge buildup.
Option B (properly rated electrical fixtures) ensures that electrical equipment does not generate sparks or hot surfaces capable of igniting flammable mixtures. This is critical in classified hazardous areas.
Option C (inerting procedures) removes or reduces oxygen concentration below the limiting oxygen concentration (LOC), preventing combustion even if a fuel and ignition source are present. This is a highly effective engineered control.
Option D (hot-work permits) control activities like welding or cutting that introduce ignition sources. These permits ensure that hazards are identified, the area is made safe, and appropriate precautions are taken before work begins.
CCPS emphasizes that fire and explosion prevention relies on eliminating ignition sources, controlling fuel release, or reducing oxidant availability , and all listed approaches contribute to these strategies.
質問 # 81
All three flammable gas detection alarms have indicated in the control room the presence of a flammable vapor in the containment area below a horizontal butane storage tank. The correct operator response to this emergency would include (select all that apply):
正解：A、B、D、E
解説：
The correct answers are A, B, D, and E because they reflect safe and appropriate emergency response actions aligned with CCPS guidance for handling flammable vapor releases.
Option A is critical because personnel must be evacuated immediately from areas where flammable gas is detected to prevent injury or fatality in case of ignition.
Option B is correct because isolating the source of the release (if it can be done remotely) helps stop or reduce the leak without exposing personnel to danger.
Option D is also appropriate because activating a deluge system can help disperse vapors and reduce ignition risk by cooling and diluting the flammable cloud.
Option E is correct because communication and escalation are essential parts of emergency management, ensuring proper coordination and response.
Option C is incorrect because sending personnel into a potentially flammable atmosphere is dangerous. CCPS strongly discourages exposing workers to hazardous conditions during an active release , especially when safer remote methods are available.
Overall, CCPS emphasizes protecting personnel first, controlling the hazard remotely, and using engineered safeguards , while avoiding unnecessary exposure during emergencies.
質問 # 82
Which of the following are appropriate factors to consider when determining the number of individuals on the incident investigation team? (Select all that apply)
正解：A、B
解説：
According to CCPS guidance on Incident Investigation and Learning , the size and composition of an investigation team must be determined based on the nature and complexity of the incident and the need to ensure an objective, competent, and balanced team . Option A is correct because more complex incidents- especially those involving multiple system failures, significant consequences, or unclear causal chains- require a larger team with diverse technical expertise (e.g., operations, engineering, safety).
Option D is also correct because CCPS emphasizes that investigation teams must be free from bias and include members with different perspectives to avoid premature conclusions or blame-focused outcomes. A balanced team improves the quality of root cause analysis and ensures credible findings.
Option B is incorrect because CCPS does not mandate the inclusion of external consultants or insurance agents in every investigation. While external experts may be useful in complex or specialized cases, they are not always required.
Option C is incorrect because team size should not depend on volunteers , but rather on required competencies and investigation scope. Allowing volunteers to determine team size can lead to inefficiency or lack of needed expertise.
Ultimately, CCPS stresses that investigation teams should be fit-for-purpose , technically capable, and structured to produce reliable, learning-focused outcomes.
質問 # 83
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