Principles Of Operations Management
11th Edition
ISBN: 9780135173930
Author: RENDER, Barry, HEIZER, Jay, Munson, Chuck
Publisher: Pearson,
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Chapter 10, Problem 10P
Summary Introduction
To draw: An activity chart to wash and dry dishes
Introduction: Activity chart is the type of chart that is used to observe the present method and propose improvement. The study helps to improve the utilization of machine, operator, and the combination of machine and operator.
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You are given the following information
(a) Develop the mean observed time for each element.(b) Calculate the normal time for each element.(c) Using an allowance factor of 15 percent of job time, calculatethe standard time for each element and for the entire job.(d) How many units should be completed each hour if theworker performs at 100 percent of the standard?(e) How many units should be completed each hour if theworker performs at 110 percent of the standard?
The owner of mid-sized cat motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results:
Observation
1
2
3
4
5
6
Time(Seconds)
99
87
90
81
93
90
What is the standard time for this task if the employee worked at a 50 percent faster pace than average, and an allowance of 10 percent of the workday is used?
You want to know the standard time of a welding process. The analyst has obtained the followingi information:
average timed time - 1.30 minutes
rhythm assessment - 110
fixed supplements - 5%
variable supplements - 2%
Determine the standard time, in minutes, of the welding process:
a) 143 min
b) 145 min
c) 150 min
d) 153 min
Chapter 10 Solutions
Principles Of Operations Management
Ch. 10 - Prob. 1EDCh. 10 - Prob. 1DQCh. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Prob. 4DQCh. 10 - Prob. 5DQCh. 10 - Prob. 6DQCh. 10 - Prob. 7DQCh. 10 - Prob. 8DQCh. 10 - Prob. 9DQ
Ch. 10 - Prob. 10DQCh. 10 - Prob. 11DQCh. 10 - Prob. 12DQCh. 10 - Prob. 13DQCh. 10 - Prob. 14DQCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Virginia College promotes a wide variety of...Ch. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26PCh. 10 - Prob. 27PCh. 10 - Prob. 28PCh. 10 - Prob. 29PCh. 10 - Prob. 30PCh. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - Prob. 34PCh. 10 - Prob. 35PCh. 10 - Prob. 36PCh. 10 - Prob. 37PCh. 10 - Prob. 39PCh. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - Prob. 42PCh. 10 - Prob. 44PCh. 10 - Prob. 1CSCh. 10 - Prob. 2CSCh. 10 - Prob. 3CSCh. 10 - Prob. 4CSCh. 10 - Prob. 1.1VCCh. 10 - Prob. 1.2VCCh. 10 - Prob. 1.3VCCh. 10 - Prob. 2.1VCCh. 10 - Prob. 2.2VCCh. 10 - Prob. 2.3VCCh. 10 - Prob. 2.4VC
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- Frank is a long-haul truck driver. With Frank, every load is a challenge. When he finally off-loads, he has a feeling of having completed a job, something he wouldn’t get in a production line. He takes the job through all the processes, from picking up the load to off-loading it at its destination. Frank’s job is high on: Task variety Task identity Task significance Autonomyarrow_forwardA job was timed for 60 cycles and had an average of 1.25 minutes per piece. The performance rating was 95 percent, and workday allowances are 9 percent. Determine each of the following: a. Observed time. (Round your answer to 2 decimal place.) Observed time minutes b. Normal time. (Round your answer to 2 decimal places.) Normal time minutes c. Standard time. (Round your answer to 2 decimal places.) Standard time minutesarrow_forwardFrom a time study, the worker’s average observed time for a particular task is shown to be 5.6 minutes. The analyst feels the worker was performing their task, on average, about 25% faster than normal. What would be the resulting standard time assuming a 20% allowance for fatigue and personal needs?arrow_forward
- What are the importance of the 3 stages of work immersion? the pre-immersion, immersion proper and post immersion.arrow_forwardAt Gerson Lehrman Group, you won’t find an employee working in a cubicle day after day.You also won’t find an employee working in a free-form open office area consistently either.The reason is that Gerson Lehrman is invested in “activity based working.” In this system,employees have access to cubicle spaces for privacy, conference rooms for group meetings, caféseating for working with a laptop, and full open-office environments. Where you work on aparticular day is entirely up to you. It may be hard to remember, but office allocations were auniform signal of hierarchical status and part of organizational culture until recently. Asorganizations have become flatter and the need for creativity and flexibility has increased, the“open office” plan has become a mainstay of the business world. The goal is to encourage freeflowing conversation and discussion, enhance creativity, and minimize hierarchy—in otherwords, to foster a creative and collaborative culture and remove office space from…arrow_forwardA contractor intends to bid on a job installing 30 airport security systems. Because this will be a new line of work for the contractor, he believes there will be a learning effect for the job. After reviewing time records from a similar type of activity, the contractor is convinced that an 85 percent curve is appropriate. He estimates that the first job will take his crew eight days to install. How many days should the contractor budget fora. The first 10 installations?b. The second 10 installations?c. The final 10 installations?arrow_forward
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