Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
12th Edition
ISBN: 9780134741062
Author: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman
Publisher: PEARSON
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Chapter 10, Problem 20P
The Mowry Machine Shop still has five jobs to be processed as of 8 A.M. today (day 23) at its bottleneck opera lion. The day when the order arrived, processing time, and promised due dates are given in the following table. The jobs are listed in the order of arrival.
- Develop separate schedules by using the FCFS and EDD rules. Compare the schedules on the basis of average flow time and average days past due.
- Which rule gives the best
schedule , in your judgment? Why?
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The following jobs are waiting to be processed at Rick Solano’s machine center. Solano’s machine center has a relatively long backlog and sets a fresh schedule every 2 weeks, which does not disturb earlier schedules. Below are the jobs received during the previous 2 weeks. They are ready to be scheduled today, which is day 241 (day 241 is a workday). Job names refer to names of clients and contract numbers.
Job
Date job received
Productiondays needed
Date job due
BR-02
228
15
300
CX-01
225
25
270
DE-06
230
35
320
RG-05
235
40
360
SY-11
231
30
310
a. Complete the following table. (Show your supporting calculations.)
b.Which dispatching rule has the best score for flow time?
c. Which dispatching rule would you select? Support your decision.
Write the Objectives of Workcenter Scheduling?
Sunny Park Tailors has been asked to make three dif-ferent types of wedding suits for separate customers. The table
below highlights the time taken in hours for (1) cutting and sewingand (2) delivery of each of the suits. Which schedule finishes sooner:first come, first served (123) or a schedule using Johnson’s rule?Times Taken for Different Activities (hours)SUIT CUT AND SEW DELIVER14 227 736 5
Chapter 10 Solutions
Operations Management: Processes and Supply Chains (12th Edition) (What's New in Operations Management)
Ch. 10 - List the types of costs incurred when employees...Ch. 10 - Prob. 2DQCh. 10 - Prob. 3DQCh. 10 - Explain why management should be concerned about...Ch. 10 - The Barberton Municipal Division of Road...Ch. 10 - Bob Canton’s golf camp estimates the following...Ch. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Management at the Kerby Corporation has determined...Ch. 10 - Gretchen’s Kitchen is a fast-food restaurant...
Ch. 10 - Prob. 7PCh. 10 - Tax Prep Advisers, Inc. has forecasted the...Ch. 10 - Climate Control, Inc. makes expedition-quality...Ch. 10 - Prob. 11PCh. 10 - Gemini Inc. is using the Sales and Operations...Ch. 10 - Gerald Glynn manages the Michaels Distribution...Ch. 10 - Cara Ryder manages a ski school in a large resort...Ch. 10 - Prob. 15PCh. 10 - Prob. 17PCh. 10 - The Hickory Company manufactures wooden desks....Ch. 10 - Prob. 19PCh. 10 - The Mowry Machine Shop still has five jobs to be...Ch. 10 - If we use the same number of workers in each...Ch. 10 - Prob. 2AMECh. 10 - Prob. 3AMECh. 10 - Suppose the overtime cost is $3,300. What happens...Ch. 10 - Suppose the undertime cost is the same as the...Ch. 10 - Prob. 6AMECh. 10 - Prob. 1VCCh. 10 - Does Starwood employ a chase, level, or mixed...Ch. 10 - How would staffing for the opening of a new hotel...Ch. 10 - Explain the alternatives available to Darlene Fry...Ch. 10 - Prob. 2C
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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
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- Categorize different scheduling procedures for various types of service operations, such as restaurants, hospitals, and airlinesarrow_forwardThe Mowry Machine Shop still has five jobs to be processedas of 8 a.m. today (day 23) at its bottleneck operation. The daywhen the order arrived, processing time, and promised duedates are given in the following table. The jobs are listed inthe order of arrival.a. Develop separate schedules by using the FCFS and EDDrules. Compare the schedules on the basis of averageflow time and average days past due.b. Which rule gives the best schedule, in your judgment?Why?arrow_forwardwhere the consulting company has five jobs in its backlog. Create a schedule usingthe EDD rule, calculating the average days past due and flow time. In this case, does EDD outperformthe FCFS rule?arrow_forward
- On Monday morning, Baxter Industries has the following jobs waiting for processing in two departments, milling, and drilling, in that order. Time Required (hours) Job Mill Drill 216 7 6 327 4 10 462 6 3 519 5 8 258 8 7 617 9 10 Develop a minimum makespan schedule using Johnson's rule. The schedule using Johnson's rule is - - - - - . Choose the correct Gantt chart with the minimum makespan schedule.arrow_forwardOn Monday morning, Baxter Industries has the following jobs waiting for processing in two departments, milling, and drilling, in that order. Time Required (hours) Job Mill Drill 216 7 11 327 6 10 462 8 4 519 5 8 258 3 5 617 12 15 Develop a minimum makespan schedule using Johnson's rule. The schedule using Johnson's rule is - - - - - . Choose the correct Gantt chart with the minimum makespan schedule. The correct graph is .arrow_forwardUsing the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery)= hours (enter your response as a whole number). Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Deliver Suit Cut and Sew 1 2 Assume that orders for suits have been listed in the above table in the order in which they were receivedarrow_forward
- Compare the differences between flow classification and flow scheduling?arrow_forwardSunny Park Tailors has been asked to make three differenttypes of wedding suits for separate customers. The followingtable highlights the time taken in hours for (1) cutting and sewingand (2) delivery of each of the suits. Which schedule finishes sooner:first come, first served (123) or a schedule using Johnson's rule?arrow_forwardA nursing home must schedule nurses in a manner that balances providing adequate patient care while keeping costs down. From historical records, administrators can project the minimum number of nurses to have on hand during each day/time slot. This data is shown below. Shift Time Slot Minimum number of nurses needed 1 12 am-4 10 2 4 am-8 6 3 8 am-12 8 4 12 pm-4 12 5 4 pm-8 10 6 8 pm-12 14 Nurses must start work at the beginning of one of the four-hour shifts (starting as early as 12 am midnight or as late as 8pm evening) and work for eight hours. Nurses who begin working at 8 pm will work until 4 am the next morning. Formulate and solve the nurse-scheduling problem so as to minimize excess stagging while satisfying minimum staffing requrements. What is the value of total excess staffing?arrow_forward
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