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Api-580-Introduction-To-Risk-Based-Inspection-–-57-Terms-Apiasme-Notes.pdf
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6 Introduction to Risk-Based InspectionAPI – 57 terms
The Key elements that should exist in any RBI program are except:
a)
Management
systems
for
maintaining
documentation,
personnel
qualifications,
data
requirements,
consistency
of
the
program
and
analysis
updates;
b)
Documented
method
for
POF
determination;
c)
Risk
evaluation
and
optimization
d)
Documented
method
for
COF
determination;
e)
Documented
methodology
for
managing
risk
through
inspection,
process
control
and
other
mitigation
activities.
The objective of RBI is determine what incident could occur (consequence) in the ______________,
and how likely (probability) it is that the incident could happen. For example, if a pressure vessel
subject to damage from corrosion under insulation develops a leak, a variety of consequences could
occur.
a)
Damage
mechanism
b)
Event
of
an
equipment
failure
c)
Rate
of
failure
d)
Risk
Possible consequences are except:
a)
Form
a
vapor
cloud
that
could
ignite
causing
injury
and
equipment
damage;
b)
Release
of
a
toxic
chemical
that
could
cause
health
problems;
c)
Cost
health
and
environmental
d)
Result
in
a
spill
and
cause
environmental
damage;
e)
Force
a
unit
shutdown
and
have
an
adverse
economic
impact;
f)
Have
minimal
safety,
health,
environmental,
and/or
economic
impact.
If the probability and consequence combination (risk) is high enough to be unacceptable then:
a)
A
mitigation
action
to
reduce
the
probability
and/or
the
consequence
of
the
event
is
appropriate.
b)
Nothing
is
not
enough
c)
Nothing
to
do
d)
Assessment
the
risk
is
the
solution
If the probability of the incident is low then:
a)
The
risk
may
not
warrant
immediate
or
extensive
action.
b)
A
mitigation
action
to
reduce
the
probability
and/or
the
consequence
of
the
event
is
appropriate.
c)
Assessment
the
risk
is
the
solution
d)
Mitigate
action
is
the
best
The risk is defined:
, a)
Recognizing
that
not
every
failure
will
lead
to
an
undesirable
incident
with
serious
consequence
(e.g.
water
leaks)
and
that
some
serious
consequence
incidents
have
very
low
probabilities
(e.g.
rupture
of
a
clean
propane
vessel).
b)
Actions
of
mitigate
elements
c)
Probability
of
consequence
of
events
d)
Damage
of
mechanism
The choice of approach (quantitative qualitative) is dependent on what variables except?
a)
Objective
of
the
study,
b)
Number
of
facilities
and
equipment
items
to
study,
c)
Available
resources,
d)
Assessment
time
frame,
e)
Complexity
of
facilities
and
processes,
f)
Risk
f)
Nature
and
quality
of
available
data,
g)
The
amount
of
risk
discrimination
needed.
The chosen approach may be selected at the beginning of the analysis process and carried through to
completion, or the approach ___________(i.e. the analysis may become more or less quantitative) as
the analysis progresses. However, consistency of approach will be vital to comparing results from one
assessment to the next. If the risk:
a)
May
be
changed
b)
May
be
not
changed
c)
May
be
substituted
d)
May
be
compared
If the risk determined using any approach is below the acceptance criterion specified by the
management of the organization conducting the analysis, then:
a)
No
further
analysis,
inspection
or
mitigation
steps
are
typically
required
within
the
analysis
time
frame
as
long
as
the
conditions
and
assumptions
used
in
the
analysis
remain
valid.
b)
Inspection
additional
is
needed
c)
Assessment
additional
is
required
d)
Evaluation
is
need
The spectrum of risk analysis should be considered ________ with qualitative and quantitative
approaches being the two extremes of the continuum and everything in between being a semi-
quantitative approach. Use of expert opinion will typically be included in most risk assessments
regardless of type or level.
a)
to
be
a
continuum
b)
to
be
constant
c)
to
be
uniform
d)
to
be
unique
Data requires the Qualitative Approach inputs is based on as the basis for the analysis of probability
and COF.
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