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Risk Based Inspection Professional Questions and Answers

Question 1

Potential source of errors in rbi analysis regarding data quality are the following except

Options:

A.

If the base line thickness were not performed the nominal thickness may be used for the original thickness

B.

If original thickness not available, averaged ut thickness readings may be used

C.

Ifthe original thickness notavailable,maximum utthickness readings may be used

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Question 2

The ability to state the rate of deterioration precisely is affected by the following except

Options:

A.

By equipment complexity

B.

Typeofdeteriorationmechanism, processand metallurgical variations

C.

Inaccessibilityfor inspection, limitations ofinspection andtest methods

D.

Lack of coverage of an area subject to deterioration

E.

None of the above

Question 3

Method used for consequence analysis should demonstrate the ability to provide

Options:

A.

Just an analysis

B.

No output is required

C.

The required level of discrimination between higher and lower consequence equipment items.

Question 4

The type of failure mode that likely to occur due to pitting

Options:

A.

Small hole sized leaks

B.

Small holes to ruptures

C.

Cracks

D.

Catastrophic rupture

Question 5

Methods that use engineering judgment and experience as the bases for the analysis of probabilities and consequences of failure

Options:

A.

Quantitative risk analysis

B.

Qualitative risk analysis

C.

Process hazard analysis

Question 6

The type of failure mode that likely to occur due thinning

Options:

A.

Larger leaks or rupture

B.

Only rupture

C.

Metal loss

D.

Cracks

Question 7

Qualitative consequence analysis of failure can be estimated separately for each unit, system, equipment group or individual equipment item.

Options:

A.

On the basis of expert knowledge and experience

B.

On the basis of available data

C.

On the basis of process and environmental conditions

D.

No basis required since it is qualitative

Question 8

The event may be

Options:

A.

Singular or multiple

B.

Certain or uncertain

C.

Loss or gain

D.

Negative or positive

Question 9

Toxic releases in rbi are only addressed when they affect

Options:

A.

Personnel

B.

Equipment

C.

Process

Question 10

If a very aggressive acid is carried over from a corrosion resistant part of a system into a downstream vessel that is made of carbon steel, theresult would be

Options:

A.

Rapid corrosion could result in failure in a few hours or days.

B.

General corrosion over a period of time could result in metal loss

C.

No deterioration will take place since carbon steel is resistent to aggressive acid

Question 11

In RBI program discrimination between equipment items on the basis of significance of potential failures.

Options:

A.

Failure analysis

B.

Determining failure modes

C.

Consequence analysis

D.

A&B

Question 12

Consequence is always.............For safety aspects

Options:

A.

Negative

B.

Positive

C.

Neutral

Question 13

Following are the critical variables for deterioration mechanism except

Options:

A.

Material of construction

B.

Process operating

C.

Start up and shut down conditions

D.

Insulation

Question 14

If the probability and consequence combination (risk) is high enough to be unacceptable, then

Options:

A.

A mitigation action to predict or prevent the eventis recommended.

B.

Amitigation action to predict or prevent the event isnot recommended

C.

Warrant to analyze risks involved

Question 15

Is a risk management activity that may lead to risk reduction?

Options:

A.

Inspection

B.

Evaluation

C.

Analysis

Question 16

Generally, a qualitative analysisusingbroad ranges requiresa__________________from the user than a quantitative approach.

Options:

A.

Higher level of judgment, skill and understanding

B.

Lower level of judgment, skill and understanding

Question 17

Potential hazards identified in a pha will often affect the

Options:

A.

Probability of failure side of the risk equation.

B.

Consequence of failure side of the equation

Question 18

Sec occurs when equipment is exposed to environments

Options:

A.

Conducive to certain cracking mechanisms

B.

Unfavorable to certain cracking mechanisms

C.

Unbeneficial to certain cracking mechanisms

Question 19

____________uses logic models depicting combinations of events

Options:

A.

Quantitative risk analysis

B.

Qualitative risk analysis

C.

Process hazard analysis

Question 20

The models are evaluated_____________to provide both qualitativeand quantitative insights about the level of risk and to identify the design, site, or operational characteristics that are the most important to risk

Options:

A.

Probabilistically

B.

Statistically

C.

Linearly

D.

Logically

Question 21

If the material of construction and internal/external conditions are the same

Options:

A.

Inspection results can be related from one equipment can be related to the other equipment

B.

We cannot do that, since we do not know about it

C.

Need to consult Equipment Engineer for final decision

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Total 140 questions