PRIN.OF OPERATIONS MANAGEMENT-MYOMLAB
11th Edition
ISBN: 9780135226742
Author: HEIZER
Publisher: PEARSON
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Question
Chapter 9, Problem 25P
a)
Summary Introduction
To draw: The precedence diagram of the operation.
b)
Summary Introduction
To determine: The cycle time of the operation.
c)
Summary Introduction
To determine: The theoretical minimum number of workstations.
d)
Summary Introduction
To assign: The various tasks to workstations.
e)
Summary Introduction
To determine: The overall actual efficiency of the assembly line.
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The City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its
citizens. The precedence table for all the activities required to construct this area successfully is as follows:
Code
A
B
с
D
E
F
G
H
I
Description
Find location; determine resource requirements
Requisition of lumber and sand
Dig and grade
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Position lumber in correct locations
Time
(hrs)
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100
30
20
10
20
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30
Nail lumber together
Put sand in and under the equipment
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Refer to the legend for the activity that corresponds to each code.
Using the line drawing tool, draw a Gantt chart for activites E through I of the project.
Immediate Predecessor(s)
None
A
A
B
D, C
E
F
F
G, H
A
B
C-
D-
E
F
G
H-
H
0
20 40
60
80 100 120 140 160 180 200
Q
✔
The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40-hourworkweek:
a) Draw a precedence diagram of this operation.
b) Given the demand, what is the cycle time for this operation?
c) What is the theoretical minimum number of workstations?
An assembly line must be designed to produce 40 containers per hour. The following data give the necessary information
Table 1
TASK
IMMEDIATE PREDECESSOR
TASK TIME (sec)
A
None
60
B
A
12
C
B
35
D
A
55
E
D
10
F
E
50
G
F, C
5
Draw the precedence diagram. ii. Compute the cycle time (in seconds) to achieve the desired output rate.
iii. What is the theoretical minimum number of stations?
iv. Assign the tasks to workstation?
v. What is the efficiency of the line?
PLEASE ANSWER THE FOLLOWING QUESTIONS: iV, & v.
Chapter 9 Solutions
PRIN.OF OPERATIONS MANAGEMENT-MYOMLAB
Ch. 9 - Prob. 1EDCh. 9 - Prob. 1DQCh. 9 - Prob. 2DQCh. 9 - Prob. 3DQCh. 9 - Prob. 4DQCh. 9 - Prob. 5DQCh. 9 - Prob. 6DQCh. 9 - Prob. 7DQCh. 9 - Prob. 8DQCh. 9 - Prob. 9DQ
Ch. 9 - Prob. 10DQCh. 9 - Prob. 11DQCh. 9 - Prob. 12DQCh. 9 - Prob. 13DQCh. 9 - Prob. 14DQCh. 9 - Prob. 15DQCh. 9 - Prob. 16DQCh. 9 - Prob. 17DQCh. 9 - Prob. 18DQCh. 9 - Prob. 1PCh. 9 - Prob. 2PCh. 9 - Prob. 3PCh. 9 - Roy Creasey Enterprises, a machine shop, is...Ch. 9 - Adam Munson Manufacturing, in Gainesville,...Ch. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prob. 8PCh. 9 - Prob. 9PCh. 9 - Six processes are to be laid out in six areas...Ch. 9 - Stanford Rosenberg Computing wants to establish an...Ch. 9 - Illinois Furniture, Inc., produces all types of...Ch. 9 - Prob. 14PCh. 9 - The Action Toy Company has decided to manufacture...Ch. 9 - Prob. 16PCh. 9 - Prob. 17PCh. 9 - Prob. 18PCh. 9 - Prob. 19PCh. 9 - Prob. 20PCh. 9 - Prob. 21PCh. 9 - Prob. 22PCh. 9 - Prob. 23PCh. 9 - Prob. 25PCh. 9 - Prob. 26PCh. 9 - Prob. 27PCh. 9 - Prob. 1CSCh. 9 - Prob. 2CSCh. 9 - Henry Coupe, the manager of a metropolitan branch...Ch. 9 - Prob. 4CSCh. 9 - Prob. 1.1VCCh. 9 - Prob. 1.2VCCh. 9 - Prob. 1.3VCCh. 9 - Prob. 1.4VCCh. 9 - Prob. 1.5VCCh. 9 - Prob. 1.6VCCh. 9 - Prob. 2.1VCCh. 9 - Prob. 2.2VCCh. 9 - Prob. 2.3VC
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