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Question # 4

The resources and time required to implement an RBI assessment will vary widely between organizations depending on a number of factors including:

A.

knowledge and training of implementers.

B.

cost of mitigation activities.

C.

the degree of precision required.

D.

amount of equipment included.

E.

type of damage mechanisms involved.

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Question # 5

Which of the following is the act of mitigating a particular risk?

A.

Risk assessment

B.

Risk management

C.

Risk reduction

D.

Risk determination

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Question # 6

Which of the following statements is accurate regarding data quality relative to the type of RBI assessment selected?

A.

Data validation is most important when quantitative RBI is being applied.

B.

Data quality is equally important no matter what type of assessment is selected.

C.

Data quality is more important for semi-quantitative assessments vs. qualitative assessments.

D.

Data accuracy in qualitative RBI is not as important because risks are relative, not absolute.

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Question # 7

Which of the following may make it impractical to reduce some risks to an acceptable level?

A.

Technology

B.

Labor contracts

C.

Production needs

D.

Regulatory requirements

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Question # 8

Which of the following is a step in estimating the consequences of releasing a hazardous material into the surrounding environment?

A.

Estimating the release rate

B.

Identifying the most likely failure mode

C.

Determining the deterioration susceptibility and rate

D.

Identifying active and credible damage mechanisms

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Question # 9

Conducting more internal inspection than is called for by RBI:

A.

reduces risk to the lowest practical level.

B.

can result in inspection optimization.

C.

may cause additional deterioration and risk.

D.

will produce further risk reduction.

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Question # 10

The fact that some jurisdictions may have some prescriptive time-based rules on inspection intervals does not preclude the user from gaining significant benefits from the application of RBI, as long as:

A.

local regulations do not specifically prohibit the use of RBI planning.

B.

the inspection intervals do not exceed half-life or 10 years maximum.

C.

the RBI process methodology is in accordance with API RP 581.

D.

the RBI process is implemented by an API 580 certified individual.

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Question # 11

When collecting data and information, which of the following describes the role of RBI data precision?

A.

It is considered synonymous with accuracy.

B.

It generally cannot be combined with other risk analysis.

C.

It must be the same for all RBI methods considered.

D.

It should be consistent with the type of RBI method used.

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Question # 12

What method of mitigation is most likely to reduce the amount and rate of release?

A.

Substitute a less hazardous material

B.

Emergency depressuring capability

C.

Water spray and deluge systems

D.

Spill detectors and containment

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Question # 13

The governing inspection codes (such as API 510 and API 570) and jurisdictional regulations, if any, shall be reviewed to determine what?

A.

A default maximum time periods for RBI reassessments

B.

When the next turnaround must be scheduled

C.

If the risk of continued operation is acceptable

D.

When equipment that is deteriorating must be replaced

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Question # 14

Which mitigation system most effectively minimizes community exposure to a significant release of an acidic water-soluble vapor cloud?

A.

Toxic scrubbers

B.

Acid detectors

C.

Blast resistance construction

D.

Water curtain

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Question # 15

A most common indicator in consequence analysis is:

A.

cost of loss.

B.

environmental damage.

C.

affected area.

D.

number of injuries.

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Question # 16

Corrosion, cracking, and mechanical are all examples of what?

A.

Leaks

B.

Failure modes

C.

Failure mechanisms

D.

Damage mechanisms

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Question # 17

One of the steps in estimating the consequences of releasing a hazardous material includes:

A.

identifying the most likely failure mode.

B.

estimating total volume of fluid that may escape.

C.

determining the deterioration susceptibility and rate.

D.

identifying active and credible damage mechanisms.

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Question # 18

RBI plans identify equipment that does not require inspection or some other form of mitigation because of the acceptable level of risk associated with the equipment's current operation. In this way, inspection and maintenance activities can be:

A.

more focused and cost effective.

B.

eliminated for all low consequence equipment.

C.

conducted while the equipment is on-line instead of during turnarounds.

D.

shifted to more profitable needs in the plant.

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Question # 19

With regard to initial assumptions in an RBI analysis, which of the following statements is correct?

A.

Consequence and probability estimates that are too conservative can result in unnecessarily inflated calculated risks.

B.

Consequence and probability estimates that are more conservative will result in less-intrusive inspections.

C.

Conservative consequence and probability estimates will be necessary to meet regulatory requirements.

D.

Conservative consequence and probability estimates result in fewer mitigation needs.

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Question # 20

In cases where inspection technology cannot adequately and/or cost-effectively mitigate risks, what is the next step to consider?

A.

Other risk mitigation approaches

B.

The equipment should be replaced

C.

A new risk assessment should be conducted

D.

The inspection interval should be shortened

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Question # 21

In RBI analysis, dividing process units into groups of equipment that have common characteristics is:

A.

not permitted unless equipment is in identical service.

B.

useful only for common types of equipment.

C.

to be avoided because every equipment item is unique.

D.

useful as a means of screening together and saving time.

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Question # 22

The resources and time required to implement an RBI assessment will vary widely between organizations depending on a number of factors including:

A.

degree of precision required.

B.

amount of mitigation activities generated.

C.

duration of the turnaround for risk-based inspections to be completed.

D.

whether the risk driver is a consequence of failure or probability of failure.

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Question # 23

On a risk plot or matrix, risk thresholds generally divide:

A.

various levels of consequence of failure.

B.

various levels of probability of failure.

C.

regions of constant risk.

D.

regions of acceptable and unacceptable risk.

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Question # 24

Once a credible damage mechanism(s) has been identified, the associated failure mode should also be identified. An example of a failure mode is:

A.

rupture

B.

stress corrosion cracking

C.

general corrosion

D.

embrittlement

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Question # 25

Which of the following statements is generally correct with regard to qualitative RBI analysis using a broad range of data?

A.

It generally results in lower accuracy analysis.

B.

It does not require a high level of accuracy and precision in the data.

C.

It is generally improved by utilizing numeric data.

D.

It requires a high-level of judgment, skill, and understanding.

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Question # 26

What program is used when damage mechanisms are precipitated by short-term, event-driven operating changes?

A.

Integrity Operating Windows

B.

Process Hazards Analysis

C.

Process Safety Management

D.

Risk-Based Inspection

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Question # 27

The probability of equipment item failure depends on the:

A.

maximum likelihood of any given outcome of events that may occur.

B.

likelihood that deterioration mechanisms will produce rupture.

C.

suitability of the equipment within the operating conditions.

D.

total risk determined by the likelihood and consequence of individual failure modes.

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