Job times which includes processing and set up times are shown below: Job Job Time (bs) Due Date (bs) A 15 B 24 C 20 D 8 6 12 6 14 3 B 7 Using FCFS, determine the average flowtime
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- Eva, the owner of Eva's Second Time Around Wedding Dresses, currently has five dresses to be altered, shown in the order in which they arrived: Job VWX Y Z Processing Time (hrs) 7 1 9 3 5 Due (hrs from now) 5 1 4 2 3 If Eva uses the shortest processing time first (SPT) priority rule to schedule these jobs, what will be the average completion time?Using the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery)= hours (enter your response as a whole number). Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Deliver Suit Cut and Sew 1 2 Assume that orders for suits have been listed in the above table in the order in which they were receivedWrite the Objectives of Workcenter Scheduling?
- The following table contains information regarding jobs that are to be scheduled through one machine: Job Processing Time (Days) Due date A 4 20 B 12 30 C 2 15 D 11 16 E 10 18 F 3 5 G 6 9 Qus 1: Find the FCFS Schedule? Qus 2: Find the SOT Schedule? Qus 3:Find the DDate Schedule? Qus 4: What are the mean flow time and average lateness for each of the schedule above? Qus 5: Which priority rule is appropriate for job scheduling? Justify your answer.Using the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) : hours (enter your response as a whole number). = G Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Cut and Sew 3 5 6 Suit 1 2 7 3 Deliver 4 2 ∞ N 8 Assume that orders for suits have been listed in the above table in the order in which they were received.K Using the FCFS rule for scheduling, the sequence is 1-2-3 For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including delivery) = hours (enter your response as a whole number). Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each of the suits. Times Taken for Different Activities (hours) Cut and Sew Suit 1 2 3 7 4 5 Deliver 2 3 6 Assume that orders for suits have been listed in the above table in the order in which they were received D
- The first five columns of the following table contain information about a set of four jobs that just arrived (end of Hour 0 or beginning of Hour 1) at an engine lathe. They are the only ones now waiting to be processed. Several operations, including the one at the engine lathe, remain to be done on each job. Determine the schedule by using (a) the CR rule and (b) the S/RO rule. Compare these schedules to those generated by FCFS, SPT, and EDD. Job ProcessingTime at EngineLathe (hours) TimeRemainingUntil Due Date(days) Number ofOperationsRemaining Shop TimeRemaining(days) CR S/RO 1 2 3 4 2.3 10.5 6.2 15.6 15 10 20 8 10 2 12 5 6.1 7.8 14.5 10.2 2.46 1.28 1.38 0.78 0.89 1.10 0.46 -0.44Using the FCFS rule for scheduling, the sequence is Sunny Park Tailors has been asked to make three different types of wedding suits for separate customers. The table below highlights the time taken in hours for cutting and sewing (process 1) and delivery (process 2) of each For the schedule developed using the FCFS rule, the total length of time taken to complete the three suits (including of the suits. delivery) = hours (enter your response as a whole number). Times Taken for Different Activities (hours) Deliver Suit Cut and Sew Using Johnson's rule for 2-machine scheduling, the sequence is 1 2. For the schedule developed using the Johnson's rule, the total length of time taken to complete the three suits 3 (including delivery) = hours (enter your response as a whole number). Assume that orders for suits have been listed in the above table in the order in which they were received. Of the two developed schedules, V rule gets the schedule finished sooner.Job Processing Time Due Date (Di) 1 22 35 2 18 40 3 20 32 4 15 28 5 17 30 Compute the average flowtime and Average tardiness in the following sequences: SPT/SOT and EDD What sequencing rule do you recommend and why?
- Five jobs are ready for processing at time zero through a workstation. The details of the processing time and the due date of completion is provided in the following table. According to EDD, what is the optimal sequence? Job Processing Time (days) Due Date A 8 12 B 4 9 IC 3 6 7 E 5 20 a) E-A-B-D-C b) C-B-E-D-A c) A-B-C-D-E d) C-D-B-A-EWhy is managing bottlenecks so important in work center scheduling?A nursing home must schedule nurses in a manner that balances providing adequate patient care while keeping costs down. From historical records, administrators can project the minimum number of nurses to have on hand during each day/time slot. This data is shown below. Shift Time Slot Minimum number of nurses needed 1 12 am-4 10 2 4 am-8 6 3 8 am-12 8 4 12 pm-4 12 5 4 pm-8 10 6 8 pm-12 14 Nurses must start work at the beginning of one of the four-hour shifts (starting as early as 12 am midnight or as late as 8pm evening) and work for eight hours. Nurses who begin working at 8 pm will work until 4 am the next morning. Formulate and solve the nurse-scheduling problem so as to minimize excess stagging while satisfying minimum staffing requrements. What is the value of total excess staffing?