Four stage process
One worker is assigned to each stage. The activity time (in[minute/unit]) for each stage is:
Activity time per unit (sec)
A : 3
B ; 2.5
C: 4
D: 1.5
(a) Which stage is the bottleneck? What is the process capacityin [units/min]?
(b) Suppose the steps in activity C are made easier, so theactivity time per unit in step D is reduced by 60% (to 1.6[min/unit]). By how much does the capacity of the entire processincrease in [units/min]?
Expert Answer
a) Bottleneck activity is one with highest activity time = C
The capacity of process will be same as capacity of bottleneckactivity = 60/Activity time of C
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