Operations Management > QUESTIONS & ANSWERS > Old Dominion University -OPMT 303 Connect Homework Chapter 16. All Answers Provided. (All)

Old Dominion University -OPMT 303 Connect Homework Chapter 16. All Answers Provided.

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OPMT 303 Connect Homework Chapter 16 Problem 16-6 The following table contains information concerning four jobs that are awaiting processing at a work center. a. Sequence the jobs using (1) ... First come, first served, (2) Shortest processing time, (3) Earliest due date, and (4) Critical ratio. Assume the list is by order of arrival. Explanation: a. First come, first served: Shortest processing time: Earliest due date Critical Ratio: b. For each of the methods in part a, determine (1) the average job flow time, (2) the average tardiness, and (3) the average number of jobs at the work center. Average number of jobs at the center c. Is one method superior to the others? Yes Problem 16-9 A wholesale grocery distribution center uses a two-step process to fill orders. Tomorrow’s work will consist of filling the seven order shown. Determine a job sequence that will minimize the time required to fill the orders. Problem 16-10 The times required to complete each of eight jobs in two-machine flow shop are shown in the table that follows. Each job must follow the same sequence, beginning with machine A and moving to machine B. a. Determine a sequence that will minimize makespan time. b. Find machine B’s idle time. c. For the sequence determined in part a, how much would machine B’s idle time be reduced by splitting the last two jobs in half? New idle time 16 hours, savings of 2 hours Problem 16-11 Given the operation times provided: a. Develop a job sequence that minimizes idle time at the two work centers. b. Determine idle time of center 2, assuming no other activities are involved. [Show More]

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