1 2 3 10 11 12 14 15 Problem 5 - Page 572, Q10, a, b 10. Assume that you are the manager of a shop that assembles power tools. You have just received an order for 50 chain saws, which are to be shipped at the start of week 8. Pertinent information on the chain saw are: LO2 & 3 Item Load Timo (weeks) Direct On Hand Components 15 A (2), B (1) Chain Saw 2 C (3) 1 10 5 A B C D E E (3), D (0) D (2), F (3) E (2), D (2) 30 2 2 1 1 2 20 10 30 a. Draw the product structure tree for the chain saw and an assembly time chart for this order b. Develop the material requirements plan for component E and its parents using lot-for-lot ordering I Problem 6- Page 611, Q3 3. A cell uses 90 kg of a certain material each day. The material is transported in vats that hold 54 kg each. Cycle time for a kanban is about two hours. The manager has assigned a safety factor of.50. The plant operates on an eight-hour day. How many kanbans are needed? LO6 Problem 7- Page 612, Q11 11. Calculate the takt time for a service system that is intended to perform a standardized service. The system will have a total work time of 440 minutes per day, two 10-minute breaks, and an hour for lunch. The service system must process 90 jobs a day. LO4 Problem 8 - Page 657, Q8 a, b,c 8. The following table shows orders to be processed at a machine. LO3 a. Determine the processing sequence using each of these priority rules: (1) CR. (2) MST, (3) SPT, (4) EDD. b. Determine the performance of each rule using (1) average flow time, (2) average days late. c. Is one rule superior to the others? Job Processing Timo (days) Due Date (days) 20 A B C D E 8 10 5 11 18 25 17 35