PRIN OF OPS MGMT W/MYOMLAB&ACCESS BADGE
1st Edition
ISBN: 9781323818510
Author: HEIZER
Publisher: PEARSON C
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Chapter 17, Problem 11P
Summary Introduction
To determine: How much the reliability will improve.
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Students have asked these similar questions
The two main tactics for improving reliability are _______and______.
Reliability metrics includes:
Select one:
a. Probability of failure on demand, Rate of occurrence of failures/Mean time to failure, and Availability
b. Probability of failure on demand
c. Availability
d. Rate of occurrence of failures/Mean time to failure
A RAID 1 storage system has an estimated MBTF of 1,500,000 hours. What is the expected annual reliability? Express as a percentage and round your answer to three digits after the decimal point. Enter the number without a percent sign, e.g., 97.776.
Chapter 17 Solutions
PRIN OF OPS MGMT W/MYOMLAB&ACCESS BADGE
Ch. 17 - Prob. 1EDCh. 17 - Prob. 1DQCh. 17 - Prob. 2DQCh. 17 - Prob. 3DQCh. 17 - Prob. 4DQCh. 17 - What is the trade-off between operator-performed...Ch. 17 - Prob. 6DQCh. 17 - Prob. 7DQCh. 17 - Prob. 8DQCh. 17 - Prob. 9DQ
Ch. 17 - Prob. 10DQCh. 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 - What is the reliability of the system shown?Ch. 17 - Prob. 11PCh. 17 - Prob. 12PCh. 17 - Rick Wing, salesperson for Wave Soldering Systems,...Ch. 17 - Prob. 14PCh. 17 - Prob. 15PCh. 17 - What are the expected number of yearly breakdowns...Ch. 17 - Prob. 19PCh. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - Prob. 1CSCh. 17 - Prob. 2CSCh. 17 - Prob. 3CS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- MagTech assembles tape players from four major compo-nents arranged as follows:The components can be purchased from three differentvendors, who have supplied the following reliability data:a. If MagTech has decided to use only one vendor tosupply all four components, which vendor should beselected?b. Would your decision change if all the components wereassembled in series?arrow_forwardExplain why a product or system might have an overall reliability that is low even though it is com- prised of components that have fairly high reliabilities.arrow_forwardRick Wing, salesperson for Wave Soldering Systems,Inc. (WSSI), has provided you with a proposal for improving thetemperature control on your present machine. The machine uses ahot-air knife to cleanly remove excess solder from printed circuitboards; this is a great concept, but the hot-air temperature controllacks reliability. According to Wing, engineers at WSSI haveimproved the reliability of the critical temperature controls. Thenew system still has the four sensi tive integrated circuits controllingthe temperature, but the new machine has a backup for each.The four integrated circuits have reliabilities of .90, .92, .94, and.96. The four backup circuits all have a reliability of .90.a) What is the reliability of the new temperature controller?b) If you pay a premium, Wing says he can improve all four of thebackup units to .93. What is the reliability of this option?arrow_forward
- Discuss the concept of Mean Time Between Failures (MTBF) and how it is calculated. Explain its limitations and alternatives for measuring system reliability.arrow_forwardAn office security system at PAC Ltd has two component parts, both of which must work for the system to function. Part 1 has a reliability of 80 percent, and part 2 has a reliability of 98 percent. Compute the reliability of the system.arrow_forwardA serial system is assembled in house from 20 parts. To be successful in the marketplace the system has to have three sigma reliability. What level of reliability of each part is necessary to achieve that level of the overall performance?arrow_forward
- Supposed the constant failure rate for both the main and the standby units are constant and are given by λ= 0.02 per hour, and the constant failure rate of the switching and sensing unit is λSW =0.01 per hour.(c) Find the reliability of this system for an operating time of 50 hoursarrow_forwardIn the context of system reliability, explain the difference between Mean Time Between Failures (MTBF) and Mean Time To Recovery (MTTR). How do these metrics impact system design?arrow_forwardAssume that the system still costs $600 to fix every time it breaks down, and you are going to run the system 1000 times. You are considering improving your system. You have contacted a backup supplier of component 1. She tells you that the backup for component 1 will cost $50,000. What would the minimum reliability of the backup need to be to make the purchase worthwhile? (keep 4 decimals for intermediate calculations)arrow_forward
- What is the relationship between system reliability and system maintenance? How can proactive maintenance practices improve reliability?arrow_forwardDid lack of maintenance, poor or faulty maintenance or inadequate reliability play a role or contributed to the Elevator accident at Vaal Reefs gold mine near Orkney in 1995.arrow_forwardEven after taking all appropriate steps to produce a high integrity system, some remaining faults will remain. How would you ensure system safety and reliability in practical approaches?arrow_forward
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