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1) At Dorben Company, a worker is assigned to operate several machines. Each of these machines is down at random times during the day. A work sampling study indicates that, on average, the machines operate unattended 60 percent of the time. Operator attention time at irregular intervals averages 40 percent. If the machine rate is $20/h and the operator rate is $12/h, what would be the most favorable number of machines (from an economic standpoint) that should be operated by one operator?
2) The current operation consists of the following elements: Operator removes pressed unit (0.2 min).Operator walks to inspection area, checks for defects (0.1 min). Operator files rough edges (0.2 min).Operator places unit on conveyor for further processing and returns to press (0.1 min). Operator cleans press die element with compressed air (0.3 min). Operator sprays lubricant into die (0.1 min). Operator places sheet metal into press, pushes START (0.2 min). Press cycles automatically for 1.2 min. Given that the operator is paid $10/h and that presses cost $15/hr to run, find and draw the worker-machine chart for the lowest-cost operation. What is the produc- tion? What is the unit cost?
To develop a schedule for a project, we will use the concept of a project network, which shows work activities taken from the work breakdown structure and is organized according to the logical flow in time and relationships governing when the work wi..
Person-focused pay programs are not suitable for all kinds of jobs. Based on your understanding of person-focused pay concepts, identify at least three jobs for which this basis for pay is inappropriate. Be sure to provide your rationale, based upon ..
Deborah Daughetee consumed multiple bags of microwave popcorn daily for approximately 5 years. Deborah recaclled eating more than 10 different brands of buttered popcorn. After removing a bag of butter-flavored microwave popcorn from the microwave, D..
Describe the difference between a supply that is responsive (service) and a supply chain that is efficient. Can a supply chain be both?
In order for an organization to pursue continuous improvement, it will eventually need to use variables control charts. If an organization has significantly reduced defective output and/or defects by successful application of attributes control chart..
Why is the scheduling of Information Systems projects so challenging? What are some of the common problems that push IS projects beyond their due dates?
Are its goals and objectives appropriate? Reasonable? Achievable? What potential issues do you see in the organization's rapid growth?
Write an analysis of no more than 700 words describing the common communication process underlying both forms of communications you presented in the worksheet. Summarize the effects of audience, purpose, style, and ethics on the communication proce..
There is a divide on whether the ability to work as part of a team is one of the most important skills in today’s job market. In addition, some posit that employers are looking for workers who can contribute their own ideas, but also want people who ..
Wildboards Company introduces a product called a "Rollerboard" for which it is granted a registered trademark. The Rollerboard is a snowboard with a removable row of wheels along the center of the underside. Wildboards cannot stop competitors from us..
Donna is on vacation in 2002 in San Francisco. She is a professional photographer and would like to take and sell some photographs of the Golden Gate Bridge. What must Donna do to obtain copyright protection for the photo?
Calculate the schedule variance, schedule performance index, and cost (actually value in this case) performance index. How is the project going? Hint: Note that this problem is different since revenue rather than cost is the relevant measure. Use car..
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