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System Safety

Practice Exam Questions - Bank 3

1. This analysis technique employs boolean logic concepts to evaluate events and is often used in system safety programs for complex systems: (Brauer, p.551)
a. Root cause analysis
b. Fault tree analysis
c. HAZOP analysis
d. System analysis
2. This analysis technique displays the principal or top undesired event, which is broken down into factors that are further subdivided into event causes: (Brauer, p.551)
a. Root cause analysis
b. Fault tree analysis
c. HAZOP analysis
d. System analysis
3. Which of the following is a possible failure which represents a major weakness inherent in fault tree analysis? (Brauer, p.551)
a. failure to determine root causes for the top event
b. failure to evaluate the relationship among events
c. failure to assign valid probability to an event
d. failure to identify all events that may lead to the top event
4. A significant difficulty in fault tree analysis is: (Brauer, p.551)
a. determining root causes for the top event
b. evaluating the relationship among events
c. assigning valid probability to an event
d. identifying all events that may lead to the basic event
5. Which of the following is the top or intermediate event that must be described further in the tree? (Brauer, p.551)
a. normal event
b. fault event
c. undeveloped event
d. basic event
6. Which of the following fault tree analysis events requires no further analysis? (Brauer, p.551)
a. normal event
b. fault event
c. undeveloped event
d. basic event
7. Which of the following fault tree analysis events has two states: it occurs or does not occur? (Brauer, p.552)
a. normal event
b. fault event
c. undeveloped event
d. basic event
8. Which of the following fault tree analysis events is chosen by the analyst not to be analyzed? (Brauer, p.552)
a. normal event
b. fault event
c. undeveloped event
d. basic event
9. Which of the following fault tree analysis events may not be critical to the problem at hand? (Brauer, p.552)
a. normal event
b. fault event
c. undeveloped event
d. basic event
10. Symbols that describe the relationship among elements are called: (Brauer, p.552)
a. relationship doors
b. logic gates
c. rational elements
d. notation symbols

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