ohnson Cogs wants to set up a line to serve 60 customers per hour. The work elements and their precedence relationships are shown in the following table. a. What is the theoretical minimum number of stations? b. How many stations are required using the longest work element decision rule? c. Suppose that a solution requiring five stations is obtained. What is its efficiency?
ohnson Cogs wants to set up a line to serve 60 customers per hour. The work elements and their precedence relationships are shown in the following table. a. What is the theoretical minimum number of stations? b. How many stations are required using the longest work element decision rule? c. Suppose that a solution requiring five stations is obtained. What is its efficiency?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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Question
Johnson Cogs wants to set up a line to serve 60 customers per
hour. The work elements and their precedence relationships
are shown in the following table.
a. What is the theoretical minimum number of stations?
b. How many stations are required using the longest work
element decision rule?
c. Suppose that a solution requiring five stations is obtained.
What is its efficiency?
Transcribed Image Text:Work Element
Time (Sec)
Immediate Predecessor(s)
A
40
None
B
30
A
50
A
D
40
B
6
B
F
25
C
G
15
C
20
D, E
18
F, G
J
30
H, I
Total 274
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