EP PRIN.OF OPERATIONS MGMT.-MYOMLAB
10th Edition
ISBN: 9780134183848
Author: HEIZER
Publisher: PEARSON CO
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Chapter 15, Problem 16P
Summary Introduction
To determine: Thejob sequence based on the critical ratio.
Introduction: The critical ratio is a kind of
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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
Finite 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).
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
needed
Chapter 15 Solutions
EP PRIN.OF OPERATIONS MGMT.-MYOMLAB
Ch. 15 - Prob. 1EDCh. 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. 9DQ
Ch. 15 - Prob. 10DQCh. 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 - Daniels Barber Shop at Newark Airport is open 7...Ch. 15 - Given the following demand for waiters and...Ch. 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 - Why is seniority important in scheduling servers?Ch. 15 - Prob. 2.4VC
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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
- Question 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_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_forwardQ. 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. 200arrow_forward
- Question 34 Consider the processing times and priorities for four jobs: Job Processing time (minutes) Weight/Priority (cost per minute) A 10 6 B 2 1 C 50 2 D 16 10 Assume the weighted shortest processing time (WSPT) rule is used. Which job should be processed third? Group of answer choices A B C Darrow_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 1) Scheduling If the following jobs are sequenced according to the FCFS rule Job Processing Time (days) Due Date A 8 12 B 6 15 C 11 17 D 5 10 E 3 8 What is the mean tardiness (in days) for all jobs? What is the mean completion time in days for all jobs? What is the maximum job tardiness (in days)arrow_forward
- Question four Three 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 1 4 2 7 7 3 3 Draw a Gantt chart that shows the schedule corresponding to the sequence 1-2-3 of the jobs.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 180 15 35 360 25 290 E 30 420 25 20 G 35 80 30 290 20 110 K 25 15 150 270 M 30 390 20 220 20 400 10 330 10 80 R 15 230 20 370 当 五犯 LEzlolalolclnarrow_forwardQuestion 35 Consider the processing times and due dates of the following jobs: Job Processing time (days) Due date (days) 1 3 29 2 19 25 3 24 40 4 8 20 What is the average lateness if the earliest due date (EDD) is used to sequence the jobs? Group of answer choices 0.75 1.25 4.25 5.67arrow_forward
- Question 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_forwardAllocate the tasks to workstations taking into consideration the precedence requirements and using the LOT rule to break ties between feasible tasks.arrow_forwardQuestion attachedarrow_forward
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