Question: Problem 4: Process with Setup Consider the following batch-flow process consisting of three process steps performed by three machines: Step 1 Step 2 Step 3

Problem 4: Process with Setup Consider the

Problem 4: Process with Setup Consider the following batch-flow process consisting of three process steps performed by three machines: Step 1 Step 2 Step 3 (Machine 1) Activity Time: 2 min/part Setup Time: 80 min (Machine 2) Activity Time: 4 min/part No Setup (Machine 3) Activity Time: 5 min/part No Setup Work is processed in batches at each step. Before a batch is processed at Step 1, the machine has to be set up. During a setup, the machine is unable to process any product. a) b) c) d) Suppose that the setup time and activity time in Step 1 are now 40 minutes and 5 minutes, respectively. What is the recommended batch size when the demand rate is 20 units/hour

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