Question: Johnson Cogs wants to set up a line to serve 6 0 custom - ers per hour. The work elements and their precedence relationships are

Johnson Cogs wants to set up a line to serve 60 custom-
ers 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?
 Johnson Cogs wants to set up a line to serve 60

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