Practical Operations Management
2nd Edition
ISBN: 9781939297136
Author: Simpson
Publisher: HERCHER PUBLISHING,INCORPORATED
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Chapter 14, Problem 19P
Summary Introduction
Interpretation:
The time when the birthday cake can be scheduled.
Concept Introduction:
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Using the FCFS rule for scheduling, the sequence is
▼
1-3-2
3-1-2
1-2-3
2-1-3
2-3-1
3-2-1
.
Part 2
For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) =
enter your response here
hours (enter your response as a whole number).
Part 3
Using Johnson's rule for 2-machine scheduling, the sequence is
▼
3-1-2
1-2-3
2-1-3
3-2-1
2-3-1
1-3-2
.
Part 4
For the schedule developed using the Johnson's rule, the total length of time taken to complete the three suits (including delivery) =
enter your response here
hours (enter your response as a whole number).
Part 5
Of the two developed schedules,
▼
Johnson's
the FCFS
rule gets the schedule finished sooner.
...
Question content area right
Part 1
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…
Why is scheduling fairly simple for repetitive systems but fairly complex for job shops?
When is Johnson’s rule best applied in job-shop scheduling?
Chapter 14 Solutions
Practical Operations Management
Ch. 14 - Prob. 1DQCh. 14 - Prob. 2DQCh. 14 - Prob. 3DQCh. 14 - Prob. 4DQCh. 14 - Prob. 5DQCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Prob. 6P
Ch. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10PCh. 14 - Prob. 11PCh. 14 - Prob. 12PCh. 14 - Prob. 13PCh. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - Prob. 16PCh. 14 - Prob. 17PCh. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - Prob. 21PCh. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 26PCh. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 1.1QCh. 14 - Prob. 1.2QCh. 14 - Prob. 1.3QCh. 14 - Prob. 1.4Q
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- De Law Construction has a gotten some construction jobs to build some starter housing units in a few areas. The building time for each housing unit to be completed as well as the date that each unit is to be completed is shown in the table below. Today is Day 471. Which of the sequences, EDD OR SPT should the company use to sequence the order in which they do the jobs, assuming that because of resource constraints it cannot do the jobs simultaneously? HOUSING UNIT Building Time (days) Due Date Marabella 39 Day 502 Tabaquite 23 Day 528 San Juan 30 Day 515 Mayaro 33 Day 498 D’Abadie 41 Day 535 Preysal 40 Day 510 Some time after starting the jobs according to the sequence you decided on, it was found that because of inclement weather the last three housing units in the sequence have been delayed. You now have to prioritise and decide in which order to expedite those three jobs, using the Critical Ratio model. It is now…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). = G 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) Cut and Sew 3 5 6 Suit 1 2 7 3 Deliver 4 2 ∞ N 8 Assume that orders for suits have been listed in the above table in the order in which they were received.arrow_forwardIn her last semester at SPC, Polly Hedron needs to take Statistics, Composition 2, Ethics, and Physics. Because Polly is registering early, she has 14 choices for her section of Statistics, 19 choices for her section of Composition, 17 choices for her section of Ethics, and 18 choices for her section of Physics. From how many possible schedules can Polly choose? (You may presume that none of these sections interfere with each other) Your Answer:arrow_forward
- Using 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_forwardClasses are scheduled. After students request courses, a programme will determine the optimum schedule. The school thinks it can't find the best schedule soon. Instead, they use a simpler method to construct a reasonable but non-optimal schedule quicker. Which principle does this option demonstrate?arrow_forwardWhich simple scheduling concept can be applied to help schedule workers for a service operation with changing staffing requirements throughout the day?arrow_forward
- Jack's Refrigeration Repair Service repairs and reconditions commercial icemakers at restaurants. Jack has four jobs to complete. Below are their processing times and due dates: Job Processing time (hours) Due date (hour) A 20 50 B 10 40 C 15 35 D 55 75 What is the average inventory if jobs are processed using the earliest due date rule?arrow_forwardIn her last semester at SPC, Polly Hedron needs to take Statistics, Composition 2, and Ethics. Because Polly is registering early, she has 17 choices for her section of Statistics, 11 choices for her section of Composition, and 19 choices for her section of Ethics. From how many possible schedules can Polly choose? (You may presume that none of these sections interfere with each other) Your Answer:arrow_forwarda-b) Using Johnson's rule for 2-machine scheduling, the sequence is: Scheduled Order Job V 1 2 3 4 5 6 7 NDX W Y c) For the schedule developed using Johnson's rule, the total length of time taken to complete the seven printing and binding jobs (including binding) = hours (enter your response as a whole number). W The following set of seven jobs is to be processed through two work centers at George Heinrich's printing company. The sequence is first printing, then binding. Processing time at each of the work centers is shown in the following table: Job >>> W X > N T U V Y Printing (hours) Binding (hours) 4 12 8 693556 7 14 2 10 1 13arrow_forward
- Using 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) Cut and Sew Suit 1 2 3 6 5 8 Deliver 324 2 4 Assume that orders for suits have been listed in the above table in the order in which they were received.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 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_forward
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