5 - Introduction to Risk-Based Inspection

Question 1

Key Elements of an RBI Program:

Key elements that exist in any RBI program include; ,,,

Answer 1

1- maintaining documentation & analysis update
2- documented method for POF
3- documented method for COF
4- maintaining documentation, methodology for
managing risk through inspection & mitigation

Question 2

Consequence and Probability for RBI:

An ISO-risk line represents ,,,,,

Answer 2

a constant risk level

Question 3

Types of RBI Assessment:

The RBI procedure can be applied ,,,,, or by using aspects of both ,,,,,,,

Answer 3

qualitatively, quantitatively,

i.e. semi-quantitatively

Question 4

Types of RBI Assessment:
Each (POF & COF) approach provides a systematic way to screen for ,,,,, /,,,,, /, and ,,,,,, for more in-depth inspection or analysis.

Answer 4

risk
identify areas of potential concern
develop a prioritized list

Question 5

Types of RBI Assessment:
Each approach (POF & COF) develops a ,,,,,,measure to be used for evaluating separately the POF and the potential COF

Answer 5

risk ranking

Question 6

Types of RBI Assessment:

These two approaches values are then combined to estimate,,,,,,

Answer 6

risk of failure.

Question 7

Types of RBI Assessment:

consistency of approach will be vital to,,,,,, from one assessment to the next

Answer 7

comparing results

Question 8

Types of RBI Assessment:
The spectrum of risk analysis should be considered to be a ,,,,,, with qualitative and quantitative approaches
being the two extremes of the continuum and everything in between being a ,,,,,,approach

Answer 8

continuum

semi-quantitative

Question 9

Risk-Based Inspection Analysis:
RBI is a methodology that uses ,,,,, as a basis for prioritizing and managing the efforts of an inspection
program

Answer 9

relative risk

Question 10

Risk-Based Inspection Analysis:
It provides focus for inspection activity to specifically
address threats to the,,,,,,,, and the equipment’s capacity to operate as intended

Answer 10

integrity of the asset

Question 11

Risk-Based Inspection Analysis:

Risk mitigation plans may include options in addition to or other than inspection such as

Answer 11

• changes in materials of construction,
• use of corrosion inhibitors,
• changes in operating conditions and fluids,
• and/or installation of liners and coatings

Question 12

Qualitative Approach :

This approach requires data inputs based on ,,,,,, / ,,,,,,,, and experience as the basis ,,,,,,,,,

Answer 12

descriptive information using engineering judgment,
subject matter expertise
for the analysis of probability and COF

Question 13

Qualitative Approach :

Inputs are often given in ,,,,, instead of discrete values

Answer 13

data ranges

Question 14

Qualitative Approach :

The accuracy of results from a qualitative analysis is dependent on ,,,,, and ,,,,, and team members.

Answer 14

the background

expertise of the risk analysts

Question 15

Qualitative Approach :

it is effective in screening out units and equipment with ,,,,,

Answer 15

low risk

Question 16

Quantitative Approach:

Quantitative programs are ,,,,, approaches where ,,,,, are calculated and more discreet input data used.

Answer 16

model-based

numerical values

Question 17

Quantitative Approach:

A quantitative approach generally uses ,,,,,, to calculate risk and develop inspection program recommendations

Answer 17

a software program

Question 18

Quantitative Approach:
Quantitative RBI outlines a methodology for prioritizing equipment risk in a ,,,, or I,,,,, in addition to calculating discrete risk values for prioritization from higher to lower risk.

Answer 18

risk matrix

SO-risk plot

Question 19

Semi-quantitative Approach:

Semi-quantitative is a term that describes any that has aspects derived from both the ,,,,,, and,,,,,

Answer 19

qualitative approach

quantitative approaches

Question 20

Semi-quantitative Approach:

The results are usually given in ,,,, categories or as ,,,

Answer 20

consequence and probability

risk numbers

Question 21

Continuum of Approaches:
RBI study typically uses aspects of qualitative, quantitative, and semi-quantitative approaches. These
RBI approaches are not considered as competing but rather as ,,,,,

Answer 21

complementary

Question 22

Precision vs Accuracy :

Accuracy is a function of the ,,,,,, / ,,,,,,, and ,,,,,,

Answer 22

analysis methodology
the quality of the data
consistency of application

Question 23

Precision vs Accuracy :

precision is a function of the ,,,,,, and ,,,,,,

Answer 23

selected metrics

computational methods

Question 24

Precision vs Accuracy :
Risk presented as a precise ,,,,,,,(as in a quantitative analysis) implies a greater level of accuracy when compared to a ,,,,,, (as in a qualitative analysis)

Answer 24

numeric value

risk matrix

Question 25

Precision vs Accuracy :

Quantitative analysis uses,,,,,,,,, to calculate probabilities and consequences of failure

Answer 25

logic models

Question 26

Precision vs Accuracy :

It is important that results from these logic models are validated by ,,,,

Answer 26

expert judgment

Question 27

Precision vs Accuracy :
Since risk is ,,,,,,,,, it is vital that any RBI process that is developed or selected for application have the ability to be easily updated (including changes in the inspection plan) when changes occur or new information is discovered

Answer 27

dynamic (i.e. changes with time)

Question 28

PHA:

A PHA uses a systemized approach to identify and analyze hazards in ,,,,,

Answer 28

a process unit

Question 29

PSM :

An effective PSM system can significantly reduce risk levels in ,,,,,,

Answer 29

a process plant

Question 30

PSM :

An effective PSM program includes a well-structured and effective pressure equipment ,,,,,,,

Answer 30

inspection program

Question 31

inspection program:

reliability records can be used to develop equipment ,,,, and ,,,,,,,

Answer 31

failure probabilities

leak frequencies.