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NEW QUESTION # 31
Limitation of any negative consequence or reduction in probability of a particular event
- A. Mitigation
- B. Reduction
- C. Residual
Answer: B
NEW QUESTION # 32
The primary audience for RP 580 is
- A. Only materials engineering personnel
- B. Inspection and materials engineering personnel
- C. Maintenance personnel
- D. Only inspection personnel
Answer: D
NEW QUESTION # 33
The continuum of RBI approaches is the:
- A. variance from low to high in detail of RBI analysis.
- B. continuous improvement cycle involved in RBI reassessment.
- C. range between qualitative and quantitative RBI.
- D. range between data collection and risk mitigation for RBI.
Answer: C
Explanation:
According to Section 5.3.6:
"The spectrum of risk analysis should be considered to be a continuum with qualitative and quantitative approaches being the two extremes of the continuum and everything in between being a semi-quantitative approach." This clearly defines the "continuum" as ranging from qualitative to quantitative methods, with semi- quantitative approaches in between.
Reference: API 580, 2nd Edition (2016), Section 5.3.6
NEW QUESTION # 34
Outcome of an event
- A. Consequence
- B. Event
- C. Risk
Answer: A
NEW QUESTION # 35
The following types of pressurized equipment and associated components covered by rbi
- A. Rotating equipment
- B. Pressurized pumps
- C. Turbines
Answer: A
NEW QUESTION # 36
In process plants are established to detect and evaluate deterioration due to in service operation.
- A. Condition monitoring programs
- B. In-service inspection programs
- C. Preventive maintenance programs
- D. Inspection and testing programs
Answer: D
NEW QUESTION # 37
_________________curves are referred for the deterioration mechanism for carbon and low ally steel
materials.
- A. PH concentration curves
- B. Nelson curves
- C. Schmidt curves for sulfide corrosion
Answer: B
NEW QUESTION # 38
The suitability and current condition of the equipment within the current operating envelope will determine the ______________ of the equipment from one or more deterioration mechanisms.
- A. Total risk
- B. Consequence of failure
- C. Relative risk
- D. Probability of failure (pot)
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION # 39
The removal of piping deadlegs is an example of:
- A. modifying the process.
- B. modifying physical design to control inventory.
- C. mitigating the consequence of failure.
- D. mitigating the probability of failure.
Answer: D
Explanation:
According to API 580, Section 13.4, equipment modification is used to mitigate the probability of failure (PoF):
"Modification and redesign of equipment... can provide mitigation of POF. Examples include: ... c) removal of deadlegs..." The purpose of removing deadlegs is to reduce locations where stagnant flow can cause localized corrosion or fouling - in turn lowering the likelihood of failure.
Reference: API 580, 2nd Edition (2016), Section 13.4
NEW QUESTION # 40
Following are some of the recognized risks which cannot be managed by inspection alone except one
- A. Consequence-dominated risks
- B. Failure mechanisms (such as brittle fracture, fatigue) where avoidance of failure primarily depends on
operating within a defined pressure/temperature envelope - C. The suitability and current condition of the equipment within the current operating envelope will determine
the probability of failure (POF) of the equipment from one or more deterioration mechanisms - D. Equipment nearing retirement
Answer: C
NEW QUESTION # 41
Probability side of the risk equation is normally managed by
- A. Process safety personnel
- B. Plant inspectors or inspection engineers
- C. Both a and b
- D. Maintenance planning engineers
Answer: B
NEW QUESTION # 42
One of the steps in estimating the consequences of releasing a hazardous material includes:
- A. estimating total volume of fluid that may escape.
- B. identifying the most likely failure mode.
- C. identifying active and credible damage mechanisms.
- D. determining the deterioration susceptibility and rate.
Answer: A
Explanation:
According to API 580 Section 10.6.1:
"The consequences of releasing a hazardous material can be estimated in six steps... including:
b) estimate total volume of fluid that will be released."
This step is essential to quantify the severity of potential loss and to assess the overall consequence of a hazardous material release.
Reference: API 580, 2nd Edition (2016), Section 10.6.1
-
NEW QUESTION # 43
Following are not the residual risk factors for loss of containment.
- A. Fundamental limitations of inspection method
- B. Human error
- C. Natural disasters
- D. Toxic fluid containment
Answer: D
NEW QUESTION # 44
The type of failure mode that likely to occur due to SSC
- A. Cracks
- B. Small holes to rupture
- C. Small holes
- D. Only rupture
Answer: A
NEW QUESTION # 45
Why is it important to identify the risk drivers in the RBI process?
- A. To avoid having any loss of containment that might have catastrophic results
- B. To ensure that the most effective inspection plans are implemented
- C. To enable development of effective risk mitigation strategies
- D. To ensure that the right resources are applied for reducing consequences of risk
Answer: C
Explanation:
API 580 emphasizes the importance of identifying risk drivers as part of a systematic method to manage risks:
"Development of an appropriate inspection program to address key risk drivers. A method to systematically manage risks associated with the operation of process equipment." Understanding risk drivers is necessary to target mitigation actions effectively and to ensure that resources are allocated based on what contributes most to the risk.
Reference: API 580, 2nd Edition (2016), Section 5.3.2
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NEW QUESTION # 46
Other functional failures are usually covered within
- A. Pha
- B. Rcm
- C. Rbi
- D. Hazop
Answer: B
NEW QUESTION # 47
Consequence analysis will aidin preparation of
- A. To understand the probability of failures
- B. To understand about equipment history
- C. Risk ranking of equipment
Answer: C
NEW QUESTION # 48
An RBI assessment of new equipment or a new project may:
- A. yield useful information on potential future risks.
- B. be conducted only after 1000 hours of operation to establish operating and inspection data.
- C. be needed in order to define the risk criteria to be used in service.
- D. not be useful because there is no inspection history.
Answer: A
Explanation:
According to API 580, Section 6.2.8:
"An RBI assessment made on new equipment or a new project while in the design stage may yield important information on potential risks. This may allow potential risks to be minimized by design and have a RBI plan in place prior to actual installation." This statement confirms the value of performing RBI even in the absence of historical data, especially for forward-looking risk identification.
Reference: API 580, 2nd Edition (2016), Section 6.2.8
NEW QUESTION # 49
______________ to be established to judge acceptability of risk could he an objective of the RBI assessment if
such criteria do not exist already within the user's company.
- A. Risk analysis
- B. Risk criteria
- C. Risk plan
Answer: B
NEW QUESTION # 50
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