EBK PRINCIPLES OF OPERATIONS MANAGEMENT
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
10th Edition
ISBN: 8220102744059
Author: HEIZER
Publisher: PEARSON
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Chapter 15, Problem 20P
Summary Introduction

To determine: Theschedule that finishes sooner among first come first served and Johnson’s rule using Gantt chart.

Introduction: First come first served (FCFS) is the kind of scheduling method that helps to sort out the jobs in the order. Here, the jobs that received first would be done first.

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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 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 20 370
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
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