Free API-580 Exam Dumps Preview

Question 1

Single choice

Following are the critical variables for deterioration mechanism except

1. A

   Material of construction

2. B

   Process operating

3. C

   Start up and shut down conditions

4. D

   Insulation

Reveal answer details Close answer details

Correct answerD

Question 2

Single choice

Occurrence of a particular set of circum-stances, is called an

1. A

   Event

2. B

   Consequence

3. C

   Risk

Reveal answer details Close answer details

Correct answerA

Question 3

Single choice

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

1. A

   Risk reduction

2. B

   Risk mitigation

3. C

   Risk evaluation

Reveal answer details Close answer details

Correct answerB

Question 4

Single choice

Limitation of any negative consequence or reduction in probability of a particular event

1. A

   Mitigation

2. B

   Reduction

3. C

   Residual

Reveal answer details Close answer details

Correct answerB

Question 5

Single choice

Following will cover the functional failures except

1. A

   Heat exchanger tube failure

2. B

   Pressure relief device failure

3. C

   Rotating equipment failure ^

4. D

   Static equipment failure due to process environment

Reveal answer details Close answer details

Correct answerC

Question 6

Single choice

Following are the common mechanical deterioration mechanismsexcept

1. A

   Fatigue

2. B

   Stress/creep rupture

3. C

   Tensile overload

4. D

   Intergranular corrosion

Reveal answer details Close answer details

Correct answerD

Question 7

Single choice

_____________Depict ways in which the system failures rep-resentedin the event trees can occur.

1. A

   Event trees

2. B

   Fault trees

3. C

   Logic trees

Reveal answer details Close answer details

Correct answerA

Question 8

Single choice

____________ areoftennecessary to establish susceptibility ofequipment to stress corrosion cracking.

1. A

   Literature, expert opinion and experience

2. B

   Cracking mechanisms

3. C

   Damage mechanisms

4. D

   Fluid toxicity and its constituents

Reveal answer details Close answer details

Correct answerA

Question 9

Single choice

Potential hazards identified in a pha will often affect the

1. A

   Probability of failure side of the risk equation.

2. B

   Consequence of failure side of the equation

Reveal answer details Close answer details

Correct answerA

Question 10

Single choice

Method used for consequence analysis should demonstrate the ability to provide

1. A

   Just an analysis

2. B

   No output is required

3. C

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

Reveal answer details Close answer details

Correct answerC

Question 11

Single choice

Results of quantitative consequence analysis are usually expressed in

1. A

   Numeric

2. B

   Ranges from high to low

3. C

   Frequency

4. D

   Occasion

Reveal answer details Close answer details

Correct answerA

Question 12

Single choice

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

1. A

   On the basis of expert knowledge and experience

2. B

   On the basis of available data

3. C

   On the basis of process and environmental conditions

4. D

   No basis required since it is qualitative

Reveal answer details Close answer details

Correct answerA

Question 13

Single choice

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

1. A

   By equipment complexity

2. B

   Typeofdeteriorationmechanism, processand metallurgical variations

3. C

   Inaccessibilityfor inspection, limitations ofinspection andtest methods

4. D

   Lack of coverage of an area subject to deterioration

5. E

   None of the above

Reveal answer details Close answer details

Correct answerC

Question 14

Single choice

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

1. A

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

2. B

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

3. C

   Ifthe original thickness notavailable,maximum utthickness readings may be used

Reveal answer details Close answer details

Correct answerA

Question 15

Single choice

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

1. A

   Inspection

2. B

   Evaluation

3. C

   Analysis

Reveal answer details Close answer details

Correct answerA

Question 16

Single choice

Deterioration rates can be expressed in terms of

1. A

   Corrosion rates for thinning or susceptibility for mechanisms where deterioration rate is unknown

2. B

   Corrosion rates for thinning only

3. C

   Immeasurable quantity

4. D

   Discrete numbers

5. E

   Susceptible rates only

Reveal answer details Close answer details

Correct answerA

Question 17

Single choice

Effective inspection program can be derived for RBI from

1. A

   Proper NDE method best suited for deterioration mechanism

2. B

   Inspection coverage

3. C

   Inspection frequency

4. D

   All the above

Reveal answer details Close answer details

Correct answerD

Question 18

Single choice

______________delineate initiating events and combinations of system

1. A

   Event trees

2. B

   Fault trees

3. C

   Logic trees

Reveal answer details Close answer details

Correct answerA

Question 19

Single choice

_______________in a safety context is a hazard.

1. A

   Source

2. B

   Toxic

Reveal answer details Close answer details

Correct answerA

Question 20

Single choice

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

1. A

   Higher level of judgment, skill and understanding

2. B

   Lower level of judgment, skill and understanding

Reveal answer details Close answer details

Correct answerA

Question 21

Single choice

The event may be

1. A

   Singular or multiple

2. B

   Certain or uncertain

3. C

   Loss or gain

4. D

   Negative or positive

Reveal answer details Close answer details

Correct answerA