(a) Develop the precedence diagram. (b) Compute the cycle time per unit in minutes (c) Determine the minimum number of work stations.
Assembly-Line Balancing
The time to perform each task and the tasks that must be immediately preceded are shown
below:
Task Time (Minutes) Immediate Predecessors
A 0.25 -
B 0.08 A
C 0.12 B
D 0.17 B
E 0.06 C, D
F 0.05 E
G 0.09 E
H 0.11 E
I 0.16 F, G, H
J 0.08 I
If 150 products are needed per hour and 50 minutes per hour are productive.
Calculate the following:
(a) Develop the precedence diagram.
(b) Compute the cycle time per unit in minutes
(c) Determine the minimum number of work stations.
(d) Use the longest-task-time heuristic to balance the production line.
(e) What is the efficiency of this assembly line balancing?
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