Question 1

Following are the critical variables for deterioration mechanism except

Accepted Answer

A)  Material of construction 
B)  Process operating 
C)  Start up and shut down conditions 
D)  Insulation

Question 2

When equipment has low deterioration rates as an inspector what you decide in lieu of internal inspection.

Accepted Answer

A)  On-stream inspection 
B)  Out of service inspection 
C)  External inspection

Question 3

Consequence side of the risk equation is normally managed by

Accepted Answer

A)  Inspection alone 
B)  Process safety personnel 
C)  Management 
D)  B&C

Question 4

The primary work products of the RBI assessment and management approach and implementation of RBI provides

Accepted Answer

A)  Overall reduction of risk and acceptance of current risk 
B)  Overall increase of risk and acceptance of risk 
C)  Overall reduction of risk and negligence of current risk 
D)  Overall increase of risk and negligence of current risk

Question 5

Deterioration for specific process equipment is not available, this can be sourced from

Accepted Answer

A)  Published data 
B)  Experience with other similar equipment 
C)  Previous inspection data 
D)  All the above

Question 6

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

Accepted Answer

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)

Question 7

The reduction in the ability of a component to provide its intended purpose of containment of Fluids

Accepted Answer

A)  Deterioration 
B)  Damage 
C)  Degradation 
D)  Thinning

Question 8

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

Accepted Answer

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 at thickness readings may be used 
C)  If the original thickness not available, maximum at thickness readings may be used

Question 9

The event may be

Accepted Answer

A)  Singular or multiple 
B)  Certain or uncertain 
C)  Loss or gain 
D)  Negative or positive

Question 10

Probability of failure analysis is made from

Accepted Answer

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

Question 11

Following are some of the recognized risks which cannot be managed by inspection alone except one

Accepted Answer

A)  Equipment nearing retirement 
B)  Failure mechanisms (such as brittle fracture, fatigue) where avoidance of failure primarily depends on operating within a defined pressure/temperature envelope 
C)  Consequence-dominated risks 
D)  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

Question 12

For qualitative RBI analysis it is important to establish a set of rules to assure consistency in

Accepted Answer

A)  Categorization or classification 
B)  Segregation 
C)  Ranking

Question 13

Following are not the residual risk factors for loss of containment.

Accepted Answer

A)  Human error 
B)  Natural disasters 
C)  Fundamental limitations of inspection method 
D)  Toxic fluid containment

Question 14

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

Accepted Answer

A)  Probabilistically 
B)  Statistically 
C)  Linearly 
D)  Logically

Question 15

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

Accepted Answer

A)  A mitigation action to predict or prevent the event is recommended. 
B)  A mitigation action to predict or prevent the event is not recommended 
C)  Warrant to analyze risks involved

Question 16

Failure mode can primarily affects the

Accepted Answer

A)  Magnitude 
B)  Consequences 
C)  A&B

Question 17

Who should be consulted to define the equipment deterioration mechanisms, susceptibility and potential failure modes?

Accepted Answer

A)  A metallurgist or corrosion specialist 
B)  A metallurgist and corrosion specialist 
C)  A metallurgist only 
D)  Corrosion specialist only

Question 18

The data validation step stresses the need for a knowledgeable individual.

Accepted Answer

A)  To comparing data from the inspections to the expected deterioration mechanism and rates 
B)  To compare the results with previous measurements on that system 
C)  Similar systems at the site or within the company or published data 
D)  All of the above

Question 19

Small hole, crack or rupture are examples of

Accepted Answer

A)  Failure modes 
B)  Failure 
C)  Loss

Question 20

In the event of a leak the potential failure of an isolation valve could

Accepted Answer

A)  Increase the inventory 
B)  Decrease the inventory 
C)  No harm to inventory

Exam 2: Risk Based Inspection