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API-580 Risk Based Inspection Professional Question and Answers

Question # 4

Equipment reliability is especially important if leaks can be caused by

A.

Secondary failures, such as loss of utilities

B.

Primary failures such as leak due to severe corrosion

C.

Tertiary failures due to valve gland packing leak

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Question # 5

Thinning causes the loss of material from

A.

External surfaces only

B.

Internal surfaces only

C.

External or internal surfaces

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Question # 6

Act of mitigating a known risk to a lower level of risk.

A.

Risk reduction

B.

Risk management

C.

Risk mitigation

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Question # 7

Rp 580 significantly targeted at the application of rbi in the.................and

.............industry

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Question # 8

The type of failure mode that likely to occur due thinning

A.

Larger leaks or rupture

B.

Only rupture

C.

Metal loss

D.

Cracks

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Question # 9

The rbi program for environmental consequences, typically focuses

A.

On acute and immediate environmental risks, rather than chronic risks from low-level emissions

B.

Onacute and immediatechronicrisks thanimmediate environmental risks

C.

Non threat environmental risks

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Question # 10

Failure mode can primarily affects the

A.

Magnitude

B.

Consequences

C.

A&B

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Question # 11

When in accurate or insufficient failure data exists on the specific equipment item for quantative probability of failure analysis then

A.

General industry, company or manufacturer failure data used

B.

Process hazard analysis failure data may be used

C.

Process and toxic concentration analysis may be used

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Question # 12

Following are the common mechanical deterioration mechanismsexcept

A.

Fatigue

B.

Stress/creep rupture

C.

Tensile overload

D.

Intergranular corrosion

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Question # 13

Potential hazards identified in a pha will often affect the

A.

Probability of failure side of the risk equation.

B.

Consequence of failure side of the equation

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Question # 14

Probability of failure analysis is made from

A.

Loss of containment that occurs due to deterioration mechanism

B.

Consequences of the failure

C.

Done just with previous experience

D.

All the above

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Question # 15

______________delineate initiating events and combinations of system

A.

Event trees

B.

Fault trees

C.

Logic trees

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Question # 16

Quantitative risk analysis logic models generally consist of___________and______

A.

Event tees and fault trees

B.

Product trees and loss trees

C.

Likelihood trees and consequence trees

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Question # 17

Method used for consequence analysis should demonstrate the ability to provide

A.

Just an analysis

B.

No output is required

C.

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

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Question # 18

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

A.

Negative

B.

Positive

C.

Neutral

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Question # 19

Termination of the ability of a system, structure, or component to perform its required function of containment offluid (le loss of containment)

A.

Failure

B.

Risk

C.

Outcome

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Question # 20

The following are the risks identified by rbi assessment that may be managed by actions other than inspection. Except one

A.

Modification of the process to eliminate conditions driving the risk

B.

Modification of operating procedures to avoid situations driving the risk

C.

Chemical treatment of the process to reduce deterioration rates/susceptibilities

D.

Identifying and detecting deterioration and predicting future deterioration states with advanced inspection technique(s)

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Question # 21

A process to assess risks, to determine if risk reduction is required and to develop a plan to maintain risks at an acceptable level

A.

Risk management

B.

Risk mitigation

C.

Risk control

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