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2021 Aug CSSBB download
Q21. A team is investigating ways to reduce power outages. They determine that an outage can occur in only three ways: grid failure, local transformer failure or local overload. They then investigate each of these three events for possible causes, etc. They draw a diagram that “fans out” using the power outage as the handle of the fan. These improvements are best described by which approach to problem solving?
A. Affinity diagram
B. Inter-relationship digraph
C. Tree diagram
D. Process decision program chart
E. Matrix diagram
F. Prioritization matrix
G. Activity network diagram
Answer: C
Q22. The test statistic is approximately:
A. 4.79
B. 6.71
C. 2.08
D. 5.44
Answer: A
Q23. Causes in a cause and effect diagram often include management, measurement systems, mother nature and the four standard causes:
A. man, material, methods, machines
B. man, manufacturing, methods, material
C. marketing, methods, material, machines
D. man, material, millennium, machines
E. none of the above
Answer: A
Q24. Use the reliability formula from the previous problem to find the reliability at MTBF.
A. 0.94
B. 0.78
C. 0.37
D. 0.26
E. none of the above
Answer: C
Q25. At a particular time, three components are in parallel and each has a reliability of 0.98. What is the reliability of the system?
A. 0.98
B. 0.94
C. 0.37
D. 0.26
E. none of the above
Answer: E
Renovate CSSBB free exam:
Q26. One of the approaches used by TRIZ is referred to as “removing the contradiction.” A project team is asked to determine how many coats of paint should be applied to a panel. In this case the contradiction is:
A. additional coats cost money but give a better finish
B. the customer wants an excellent finish at a low cost
C. the company wants to reduce costs but have an excellent finish
Answer: A
Q27. This QFD matrix was used in the design process for a ball point pen.
What symbol is appropriate for the square labeled 10?
Answer: A
Q28. This QFD matrix was used in the design process for a ball point pen.
What symbol is appropriate for the square labeled 16?
Answer: C
Q29. This QFD matrix was used in the design process for a ball point pen.
What symbol is appropriate for the square labeled 9?
Answer: D
Q30. In a certain sampling situation, c = 0, 1 = 0.08. The power of the sampling plan in this case is:
A. 0
B. 0.08
C. 1.00
D. 0.92
Answer: D