Question 1

RBI is based on

Accepted Answer

A)  Sound, proven risk assessment and management principles 
B)  Risk mitigation principles 
C)  HAZOP principles 
D)  PHA principles

Question 2

Probability side of the risk equation is normally managed by

Accepted Answer

A)  Plant inspectors or inspection engineers 
B)  Maintenance planning engineers 
C)  Process safety personnel 
D)  A&B

Question 3

Through __________________, inspection activities are focused on higher risk items and away from lower risk items.

Accepted Answer

A)  RBI 
B)  PHA 
C)  REM 
D)  HAZOP

Question 4

Following will cover the functional failures except

Accepted Answer

A)  Heat exchanger tube failure 
B)  Pressure relief device failure 
C)  Rotating equipment failure ^ 
D)  Static equipment failure due to process environment

Question 5

Consequence is always __________ for safety aspects

Accepted Answer

A)  Negative 
B)  Positive 
C)  Neutral

Question 6

_________________curves are referred for the deterioration mechanism for carbon and low ally steel materials.

Accepted Answer

A)  Nelson curves 
B)  PH concentration curves 
C)  Schmidt curves for sulfide corrosion

Question 7

Potential hazards identified in a PHA will often affect the

Accepted Answer

A)  Probability of failure side of the risk equation. 
B)  Consequence of failure side of the equation

Question 8

_____________ depict ways in which the system failures rep- resented in the event trees can occur.

Accepted Answer

A)  Event trees 
B)  Fault trees 
C)  Logic trees

Question 9

The suitability and current condition of the equipment within the current operating envelope will determine the ______________ of the equipment from one or more deterioration mechanisms.

Accepted Answer

A)  Probability of failure (pot) 
B)  Consequence of failure 
C)  Total risk 
D)  Relative risk

Question 10

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

Accepted Answer

A)  Risk reduction 
B)  Risk management 
C)  Risk mitigation

Question 11

RBI may include methodologies to assess the effectiveness of the management systems in maintaining

Accepted Answer

A)  Mechanical integrity 
B)  Total asset integrity 
C)  Plant integrity

Question 12

Results of quantitative consequence analysis are usually expressed in

Accepted Answer

A)  Numeric 
B)  Ranges from high to low 
C)  Frequency 
D)  Occasion

Question 13

Equipment reliability is especially important if leaks can be caused by

Accepted Answer

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

Question 14

Occurrence of a particular set of circumstances, is called an

Accepted Answer

A)  Event 
B)  Consequence 
C)  Risk

Question 15

FILL BLANK _________ produces inspection and maintenance plans for equipment that should be implemented to provide ____________

Accepted Answer

The answer of FILL BLANK _________ produces inspection and maintenance...

Question 16

If a QRA has been prepared for a process unit, the analysis can borrow extensively from this effort.

Accepted Answer

A)  RBI consequence 
B)  RBI likelihood 
C)  RBI probability

Question 17

Deterioration rates can be expressed in terms of

Accepted Answer

A)  Corrosion rates for thinning or susceptibility for mechanisms where deterioration rate is unknown 
B)  Corrosion rates for thinning only 
C)  Immeasurable quantity 
D)  Discrete numbers 
E)  Susceptible rates only

Question 18

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

Accepted Answer

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 19

Risk presented in qualitative risk analysis as

Accepted Answer

A)  Precise numeric value 
B)  Form of risk matrix 
C)  Form of event tree and fault tree

Question 20

RBI requires the commitment and cooperation of the

Accepted Answer

A)  Total organization 
B)  Inspection 
C)  Maintenance 
D)  Materials engineering

Exam 2: Risk Based Inspection