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WorksheetsWeek 10 - Fault Tree Analysis
Total questions: 20
Worksheet time: 10mins
FTA is a ____________ method.
down-top
top-down
straight
A fault tree shows the logical relationships between events and ____________ that lead to failure.
logic
gates
causes
A fault tree analysis (FTA) is a _____________ analytical tool.
simple
deductive
different
FTA can be used as a useful tool in ___________
accident investigations
safety documentation
inspection logs
Using this fault tree, a non-technical person with minimal training can determine the combination and alternatives of events that may lead to failure or a hazard.
True
False
The main drawback of FTA is that it examines only ________ top event(s) at a time.
one
two
three
The _____________ is the main building block for the analytical tree
oval
circle
rectangle
triangle
A circle represents a ____________ event in the tree.
main
underdeveloped
negative
base
The two primary components of a fault tree are ___________ and __________ gates.
logic - cause
logic - event
cause - event
The first stage of FTA is to______________
know the system
validate the tree
construct the tree
define the top event
The triangle in FTA signifies a __________________ of a fault tree branch.
lack of information
special circumstances
transfer
The Fault Tree needs to be validated for completeness and _____________.
review
accuracy
top event
When all the causes and sub-causes have been identified, the next stage is to _______________ the fault tree.
construct
validate
evaluate
In ____________ gate, both input together result in the output
AND
OR
Logic
The FTA process is used to solve only management issues.
True
False
Which of these are the benefit of FTA? [choose all that apply]
extensive process
reliability of the system
one top event
meaningful data
FTA can account for human error.
True
False
Tradeoffs refer to __________________ implemented.
top-down methods
alternative methods
deductive methods
Tree branches stop in FTA when all events leading to the base event are complete.
True
False
The overall success of FTA depends on _________.
the cost of analysis
the skill of analyst
the top events
the anticipated failures
