hw_1_solution_revised

hw_1_solution_revised - Homework #1 Solution Process...

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Homework #1 Solution Process Analysis and Capacity Management BUAD311- Operations Management Fall 2011 1. (15 pts) Question 2.1 (page 41 in the textbook) Resource Activity Time (Min/Unit) Number of Workers 1 10 2 2 6 1 3 16 3 What is the Bottleneck? What is the process capacity? What is the flow rate if demand is eight units per hour? What is utilization of each resource if demand is eight units per hour? The capacity of resource 1 is (60/10)*2=12 units per hour. The capacity of resource 2 is (60/6)*1=10 units per hour. The capacity of resource 3 is (60/16)*3=11.25 units per hour. Resource 2 is the bottleneck and the process capacity is 10 units per hour. The flow rate would be 8 units per hour if demand rate is 8 units per hour. The utilization rate of resource 1 is 8/12=66.7% The utilization rate of resource 2 is 8/10=80% The utilization rate of resource 3 is 8/11.25=71.1% 2. (10 pts) A processor makes two components, A and B, which are then packaged together as the final product (each product sold contains one A and one B). The processor can do only one component at a time: either it can make As or it can make Bs. There is a setup time when switching from A to B (or B to A). Current plan are to make 100 units of component A, then 100 units of component B, then 100 units of component A, then 100 units of component B, and so forth, where the setup and run times for each component are given below. Component Setup/Charge over Time Run Time/Unit A 5 minutes 0.2 minutes B 10 minutes 0.1 minutes . Assume the packing of the two components is totally automated and is small enough that you
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hw_1_solution_revised - Homework #1 Solution Process...

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