Risk Based Inspection Question Bank
1. 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.
2. Probability of failure is normally expressed
a) Just as details
b) Mentioned in frequency
c) Cannot be measured
3. Qualitative analysis is done and the out come will be
a) Exact number
b) High, medium and low or range
c) Only in report.
4. In RBI most of the probability assessment will be
a) Only quality assessment
b) Only quantity assessment
c) Blend of quality and quantity assessment.
5. Qualitative assessment is done on the basis of
a) Knowledge of operating History,
b) Inspection plans
c) Possible material deteriorations.
d) All the above.
6. In general the probability of failure is determined by
a) Deterioration mechanism
b) Effectiveness of inspection progam
c) Consequence detailed
d) A & B
7. Deterioration susceptibility and rate can be done
a) By grouping the same material of construction/similar
process/environment.
b) Not possible to group under any circumstances.
c) By random inspection method.
8. Deterioration for specific process equipment is not available, this can be sourced
from
a) Published data
b) Experience with other similar equipment.
c) Previous inspection data.
d) All the above.
, Risk Based Inspection Question Bank
9. If the material of construction and internal/external conditions are the same
a) Inspection results can be related from one equipment can be related to the
other equipment.
b) We cannot do that, since we donot know about it.
c) Need to consult Equipment Engineer for final decision.
10. Failure mode can primarily affects the
a) Magnitude
b) Consequences
c) A & B
11. No deterioration found in the inspection program but still failure can occur under
the following conditions.
a) During plant construction period.
b) As a result of change or process upset condition.
c) All the above.
12. Aqueous chloride solution is carried into a sensitized stainless steel vessel, the
following cracking mechanism takes very rapidly depending on temperature.
a) Sulphide stress corrosion cracking
b) Leak can occur
c) Chloride stress corrosion cracking.
13. If operating condition have changed, deterioration rates based on inspection data
from the previous operating conditions
a) Valid till the equipment exists with any change
b) May not be valid.
c) Can be valid with some correction by engineers.
14. Effective inspection program can be derived for RBI from
a) Proper NDE method best suited for deterioration mechanism
b) Inspection coverage
c) Inspection frequency
d) All the above
15. In RBI program discrimination between equipment items on the basis of
significance of potential failures.
a) Failure analysis
b) Determining failure modes
c) Consequence analysis
d) A & B
16. Consequence side of the risk equation is normally managed by
a) Inspection alone
b) Process safety personnel
c) Management.
d) B & C
1. 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.
2. Probability of failure is normally expressed
a) Just as details
b) Mentioned in frequency
c) Cannot be measured
3. Qualitative analysis is done and the out come will be
a) Exact number
b) High, medium and low or range
c) Only in report.
4. In RBI most of the probability assessment will be
a) Only quality assessment
b) Only quantity assessment
c) Blend of quality and quantity assessment.
5. Qualitative assessment is done on the basis of
a) Knowledge of operating History,
b) Inspection plans
c) Possible material deteriorations.
d) All the above.
6. In general the probability of failure is determined by
a) Deterioration mechanism
b) Effectiveness of inspection progam
c) Consequence detailed
d) A & B
7. Deterioration susceptibility and rate can be done
a) By grouping the same material of construction/similar
process/environment.
b) Not possible to group under any circumstances.
c) By random inspection method.
8. Deterioration for specific process equipment is not available, this can be sourced
from
a) Published data
b) Experience with other similar equipment.
c) Previous inspection data.
d) All the above.
, Risk Based Inspection Question Bank
9. If the material of construction and internal/external conditions are the same
a) Inspection results can be related from one equipment can be related to the
other equipment.
b) We cannot do that, since we donot know about it.
c) Need to consult Equipment Engineer for final decision.
10. Failure mode can primarily affects the
a) Magnitude
b) Consequences
c) A & B
11. No deterioration found in the inspection program but still failure can occur under
the following conditions.
a) During plant construction period.
b) As a result of change or process upset condition.
c) All the above.
12. Aqueous chloride solution is carried into a sensitized stainless steel vessel, the
following cracking mechanism takes very rapidly depending on temperature.
a) Sulphide stress corrosion cracking
b) Leak can occur
c) Chloride stress corrosion cracking.
13. If operating condition have changed, deterioration rates based on inspection data
from the previous operating conditions
a) Valid till the equipment exists with any change
b) May not be valid.
c) Can be valid with some correction by engineers.
14. Effective inspection program can be derived for RBI from
a) Proper NDE method best suited for deterioration mechanism
b) Inspection coverage
c) Inspection frequency
d) All the above
15. In RBI program discrimination between equipment items on the basis of
significance of potential failures.
a) Failure analysis
b) Determining failure modes
c) Consequence analysis
d) A & B
16. Consequence side of the risk equation is normally managed by
a) Inspection alone
b) Process safety personnel
c) Management.
d) B & C
