Operations Management: Sustainability and Supply Chain Management, Twelfth Edition
by Jay Heizer, Barry Render, Chuck Munson
Self Test
Before taking the self-test, refer to the learning objectives listed at the beginning of the chapter and the key terms listed at the end of the chapter.
LO 17.1 The two main tactics for improving reliability are and .
LO 17.2 The reliability of a system with n independent components equals:
the sum of the individual reliabilities.
the minimum reliability among all components.
the maximum reliability among all components.
the product of the individual reliabilities.
the average of the individual reliabilities.
LO 17.3 What is the formula for the mean time between failures?
Number of failures ÷ Number of unit-hours of operating time
Number of unit-hours of operating time ÷ Number of failures
(Number of failures ...
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