EBK PRINCIPLES OF OPERATIONS MANAGEMENT
EBK PRINCIPLES OF OPERATIONS MANAGEMENT
10th Edition
ISBN: 8220102744059
Author: HEIZER
Publisher: PEARSON
Question
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Chapter 9, Problem 20P

a)

Summary Introduction

To draw: The precedence diagram.

b)

Summary Introduction

To determine: The cycle time.

Introduction:

Cycle time:

Cycle time is the total time taken to complete an unit of work from the beginning of the process to the end of the process.

c)

Summary Introduction

To determine: The production rate.

d)

Summary Introduction

To determine: The theoretical minimum number of workstations.

e)

Summary Introduction

To determine: The efficiency.

Introduction:

Efficiency:

Efficiency is the measure of  what is actually produced as opposed to what can be theoretically produced with the same amount of resources.

f)

Summary Introduction

To determine: The total idle time per cycle.

g)

Summary Introduction

To assign: The different tasks to different workstations and identify the efficiency.

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A paced assembly line has been devised to manufacture​ calculators, as the following data​ show:                                                                                                                            LOADING... Station Work Element Assigned Work Element Time​ (min) S1 A 4.0 S2 ​D, E 0.9​, 1.5 S3 C 5.0 S4 ​B, F, G 1.1​, 1.0​, 1.3 S5 ​H, I, J 1.1​, 0.5​, 1.8 S6 K 4.0 a. What is the maximum hourly output rate from this​ line? ​(Hint​: The line can only go as fast as its slowest​ workstation.)   The maximum hourly output rate is nothing calculators per hour. ​(Enter your response as an​ integer.) B. What cycle time corresponds to this maximum output rate? C. If a worker is at each station and the line operates at this maximum output rate, how much idle time is lost during each? 10-hour shift? D. What is the line's efficiency?
Dr. Lori Baker, operations manager at Nesa Electronics, prides herself on excellent assembly-line balancing. She has been told that the firm needs to complete 96 instruments per 24-hour day. The assembly-line activities are:                                                                                                               a) Draw the precedence diagram.b) Tf the daily (24-hour) production rate is 96 units, what is the highest allowable cycle time?c) If the cycle time after allowances is given as 10 minutes, what is the daily (24-hour) production rate?d) With a 10-minute cycle time, what is the theoretical minimum number of stations with which the line can be balanced?e) With a I 0-minute cycle time and six workstations, what is the efficiency?f) What is the total idle time per cycle with a I 0-minute cycle time and six workstations?g) What is the best workstation assignment you can make without exceeding a I 0-minute cycle time, and what is its efficiency?
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