Consider a balanced line consisting of five single-machine stations with exponential process times. Suppose the utilization is 75 percent and the...

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Consider a balanced line consisting of five single-machine stations with exponential process

times. Suppose the utilization is 75 percent and the line runs under the CONWlP protocol

(i.e., a new job is started each time a job is completed).

a. What is the WlP level in the line?

b. What is the cycle time as a percentage of To?

c. What happens to WIP, CT, and TH relative to the original system if you make each of the

following changes (one at a time)?

i. Increase the WIP level

ii. Decrease the variability of one station

iii. Decrease the capacity at one station

iv. Increase the capacity of all stations

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