Operations Management: Sustainability and Supply Chain Management (12th Edition)
12th Edition
ISBN: 9780134130422
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Chapter 15, Problem 4DQ
Summary Introduction
To define: Five priority
Introduction: Scheduling is the process of controlling and arranging the workloads of the production process by using the optimized way. It is used to plan on allocating human resources and machinery.
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Q. 3
What is the total makespan from Question 1?
Question 1: Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late?
Answer was Job 4
Group of answer choices
a. 100
b. 130
c. 150
d. 170
e. 200
Question 1
Four floral arranging jobs are to be carried out across three stations: A (Arrange), B (Bag), C (crop) shown. The station sequences and job times in minutes are shown below, along with the due dates for each job. Using an "earliest due date" job dispatching priority rule, which, if any, of the jobs in will be late? Tip: create a Gantt chart schedule before answering Questions 4 & 5.
a. Jobs 2 & 3
b. Jobs 3 & 4
c. Job 3
d. Job 4
e. None of the jobs will be late
2
Chapter 15 Solutions
Operations Management: Sustainability and Supply Chain Management (12th Edition)
Ch. 15 - Prob. 1DQCh. 15 - Prob. 2DQCh. 15 - Prob. 3DQCh. 15 - Prob. 4DQCh. 15 - Prob. 5DQCh. 15 - Prob. 6DQCh. 15 - Prob. 7DQCh. 15 - Prob. 8DQCh. 15 - Prob. 9DQCh. 15 - Prob. 10DQ
Ch. 15 - Prob. 11DQCh. 15 - Prob. 12DQCh. 15 - Prob. 13DQCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - Prob. 3PCh. 15 - Prob. 4PCh. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - Prob. 20PCh. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Prob. 1CSCh. 15 - Prob. 2CSCh. 15 - Prob. 3CSCh. 15 - Prob. 4CSCh. 15 - Prob. 1.1VCCh. 15 - Prob. 1.2VCCh. 15 - Prob. 1.3VCCh. 15 - Prob. 2.1VCCh. 15 - Prob. 2.2VCCh. 15 - Prob. 2.3VCCh. 15 - Prob. 2.4VC
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- QUESTION 5 (SCHEDULING: CYCLICAL SCHEDULING) 15.26 Daniel's Barber Shop at Newark Airport is open 7 days a week but has fluctuating demand. Daniel Ball is inter- ested in treating his barbers as well as he can with steady work and preferably 5 days of work with two consecutive days off. His analysis of his staffing needs resulted in the following plan. Schedule Daniel's staff with the minimum number of barbers. DAY MON. TUE. WED. THU. FRI. SAT. SUN. 6 5 5 5 6 4 3 Barbers neededarrow_forwardQuestion 33 The processing times of five jobs are given as follows: Job Processing time (minutes) A 20 B 60 C 30 D 75 E 15 Assume the jobs arrived in alphabetical order of the job name and no other job arrives in the next 200 minutes. What is the average inventory if the jobs are processed in shortest processing time (SPT) order? Group of answer choices 3.00 2.92 1.97 2.20arrow_forwardFinite capacity scheduling Question 20 options: schedules jobs through a number of work centers, each with one or more machines. All of these choices are correct. is an extension of the theory of constraints. requires that jobs are scheduled whole (cannot be split).arrow_forward
- Question : Describe in detail about the facility layout of a garment industry. Need urgent answer.arrow_forwardQuestion 4: Six jobs waiting at a workstation will be processed in order, starting with the one with the shortest break time. In the table below, the time elapsed since the arrival of the works, the time remaining to the delivery and the processing time are given. According to this, create the work order and fill in the data in the relevant table.(fill in the second table in the photos)a) What is the average delay time with the generated order?b) How many hours is the average flow time?c) How many jobs will be delayed?d) How many jobs will not be delayed?arrow_forwardQUESTION #4 Four delivery trucks are in a queue at a Tool Company with only one service bay. The trucks are identified by the sequence in which they arrived at the Company. Assume the time is 10:00 a.m. The table shows the times necessary to unload each vehicle and the periods when the commodities they contain are expected in the factory. Determine the schedules that result for each of the rules SPE, CR EDD, and FSFC. In each case compute the average tardiness, the number of tardy jobs, and mean flow time. Truck 1 2 3 4 5 Unloading Time (minutes) 23 16 39 12 30 Time Material is Due 10:15 AM 10:40 AM 10:55 AM 10:30 AM 10:40 AMarrow_forward
- Allocate the tasks to workstations taking into consideration the precedence requirements and using the LOT rule to break ties between feasible tasks.arrow_forwardQuestion one: Suppose a radiology department uses FCFS to determine how to sequence patient x-rays. Assuming these data are representative, compare between FCFS and other scheduling rules should the radiology department be using and why Processing Time (Minutes) Due Time (Minutes from Now) Patient A 35 140 B 15 180 35 360 D 25 290 E 30 420 F 25 20 G 35 180 H 30 290 20 110 K 25 150 L 15 270 M 30 390 20 220 20 400 P 10 330 Q 10 80 R 15 230 20 370arrow_forwardQuestion 32 The processing times of four jobs are given as follows: Job Processing time (minutes) A 10 B 30 C 16 D 24 Assume the jobs arrived in alphabetical order of the job name and no other job arrives in the next 70 minutes. What is the average flow time in minutes if the jobs are processed in shortest processing time (SOP) order? Group of answer choices 166 41.5 38 20.5arrow_forward
- Question 7 Station 1 Machine A 20 min/unit Station 1 Machine B 20 min/unit Station 2 12 min/unit Station 3 8 min/unit A three station work cell is illustrated in the image above. A unit needs to be processed at either Machine A or Machine B for Station 1 (parallel lines, both lines doing the exact same thing). The unit is then processed at Stations 2 and 3 before leaving the work cell. What is the process time of this system measured in minutes/unit?arrow_forwardQUESTION 6 The framing department has six jobs waiting to be processed as shown in Table 3 below. It is now time zero and all jobs are ready to begin. Each has only one operation remaining. Table 3 Jobs (In order of arrival) Processing Time Due Date A 5 12 B 7 18 C 8. 14 D 3 10 E 9 22 F 12 17 Using minimum flow time as the evaluation criterion, recommend the best rule to sequence the jobs from the list below: i. FCFS ii. SOT iii. EDD iv. STRarrow_forwardQuestion fourThree jobs are to be scheduled on two machines A and B. Assume that the jobs are processed in the sequence A-B (A has to finish the job before B can continue the job). The processing times are: Job A B1 5 42 7 73 3 5Draw a Gantt chart that shows the schedule corresponding to the sequence 1-2-3 of the jobs.arrow_forward
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