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Practical Management Science

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter4: Linear Programming Models

Section: Chapter Questions

Problem 111P

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Question

The desired daily output for an assembly line is 300 units. This assembly line will operate 375 minutes per day. The following table
contains information on this product's task times and precedence relationships:
TASK
TASK TIME
(SECONDS)
ADCOACH
А
30
B
35
с
30
35
E
15
F
65
G
40
Н
25
IMMEDIATE
PREDECESSOR
-
B
с
AADCC
E-F
D-G
b. What is the required workstation cycle time to meet the desired output rate?
Workstation cycle time
seconds per unit

c. Balance this line using the largest number of following tasks. Use the longest task time as a secondary criterion.
Note: Leave no cells blank - be certain to enter "0" wherever required.
Work Station
Task
Idle Time
1
2
3
4
d. What is the efficiency of your line balance, assuming it is running at the cycle time in part b?
Note: Round your answer to 1 decimal place.

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