Operations Management, Student Value Edition & Student Cd For Operations Management
11th Edition
ISBN: 9780133407983
Author: HEIZER, Jay
Publisher: Pearson College Div 2013-03-08
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Question
Chapter 17, Problem 2P
Summary Introduction
To determine: The overall reliability of the whole testing process.
Introduction: Reliability is the probability that a product can perform over a specific period. It is the consistency of the product to perform in the same way for a particular period of time.
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QUESTION 3 A production line has three machines A, B, and C, with reliabilities of .99, .96, and .93, respectively. The machines are arranged so that if one breaks down, the others must shut down. Engineers are weighing two alternative designs for increasing the line’s reliability. Plan 1 involves adding an identical backup line, and plan 2 involves providing a backup for each machine. In either case, three machines (A, B, and C) would be used with reliabilities equal to the original three. a. Which plan will provide the higher reliability? b. Explain why the two reliabilities are not the same. c. What other factors might enter into the decision of which plan to adopt?
QUESTION 7
Write any TWO disadvantages of asking open questions in a Questionnaire.
List any TWO advantages of PILOTING a questionnaire.
Briefly explain any ONE method of measuring reliability.
Question 5
A.How can benchamrks assist in performing quality assurance?
B. List at least FIVE (5) tools that can be used to control quality
Chapter 17 Solutions
Operations Management, Student Value Edition & Student Cd For Operations Management
Ch. 17 - Prob. 1DQCh. 17 - Prob. 2DQCh. 17 - Prob. 3DQCh. 17 - Prob. 4DQCh. 17 - Prob. 5DQCh. 17 - Prob. 6DQCh. 17 - Prob. 7DQCh. 17 - Prob. 8DQCh. 17 - Prob. 9DQCh. 17 - Prob. 10DQ
Ch. 17 - Prob. 1PCh. 17 - Prob. 2PCh. 17 - Prob. 3PCh. 17 - Prob. 4PCh. 17 - Prob. 5PCh. 17 - Prob. 6PCh. 17 - Prob. 7PCh. 17 - Prob. 8PCh. 17 - Prob. 9PCh. 17 - Prob. 10PCh. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Prob. 13PCh. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - Prob. 16PCh. 17 - Prob. 17PCh. 17 - Prob. 18PCh. 17 - Prob. 19PCh. 17 - Prob. 1VCCh. 17 - Prob. 2VCCh. 17 - Prob. 3VC
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- Question 3 The three (3) scenarios are related to the control function. Explain the type of controlthat is applied in each of the scenario.Scenario 1The chief engineer schedules repair and service of all machinery needed in theproduction line every two months. Scenario 2Patients in the ICU wards in hospitals are monitored round the clock by nurses. Scenario 3 Following reports of malfunctioning airbags in certain Toyota cars, Toyota re-calledspecific Toyota models to have the airbags replaced.arrow_forwardQ ( s) A system must attain a reliability of not less than 0.90 for a 2 hour mission. The reliability is to be demonstrated at an 80% confidence level. In an actual test, the test was terminated at the 4th failure and 150 hours had been accumulated. Does this observation show that the required reliability has been attained ?arrow_forwardWhich of the following is TRUE regarding computer-aided design? Question 16Answer A. It is an obsolete technology. B. It is the use of information technology to control machinery. C. It is the use of computers to interactively design products and prepare engineering documentation. D. It is too expensive to use in most manufacturing and design settings. E. It results in longer development cycles for virtually all productsarrow_forward
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