I need help with part E e. Compute the percent idle time and percent efficiency for the assignment in part d. Note: if the calculated cycle time and the actualbottleneck station time are different, use the actual bottleneck time in your calculations. (Round your answers to 2 decimal places)Idle percentage%Efficiency% As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assemblyoperation to achieve an output of 230 units per 8-hour day. Task times and precedence relationships are as follows:DurationImmediate(minutes)0.2TaskPredecessorab0.6a0.4bd0.7e1.6df1.82е, fDo each of the following:a. Determine the number of followers for each task.Number of tasks following task aNumber of tasks following task b3Number of tasks following task c2Number of tasks following task d2Number of tasks following task e1Number of tasks following task fNumber of tasks following task g

e. Compute the percent idle time and percent efficiency for the assignment in part d. Note: if the calculated cycle time and the actual bottleneck station time are different, use the actual bottleneck time in your calculations. (Round your answers to 2 decimal places) Idle percentage Efficiency

e. Compute the percent idle time and percent efficiency for the assignment in part d. Note: if the calculated cycle time and the actual bottleneck station time are different, use the actual bottleneck time in your calculations. (Round your answers to 2 decimal places) Idle percentage Efficiency

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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A producer of inkjet printers is planning to add a new line of printers, and you have been asked to balance the process, given the following task times and precedence relationships. Assume that cycle time is to be the minimum possible. Task Length(minutes) Immediate(Predecessor) a 0.2 - b 0.4 a c 0.3 - d 1.3 b, c e 0.1 - f 0.8 e g 0.3 d, f h 1.2 g Click here for the Excel Data File a. Do each of the following: (1) Enter the number of following tasks for each of the tasks shown in the table below. (2) Assign tasks to stations in order of greatest number of following tasks. Use greatest positional weight as a tiebreaker rule. (3) Determine the percentage of idle time. (Round your answer to 2 decimal places.) (4) Compute the rate of output in printers per day that could be expected for this line, assuming a 420-minute working day. (Round your answer 2 decimal places.) b. Answer these questions: (1) What is the…
As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly operation to achieve an output of 240 units per eight-hour day. Task times and precedence relationships are as follows: Task Duration(minutes) ImmediatePredecessor a 0.2 - b 0.4 a c 0.2 b d 0.4 - e 1.2 d f 1.2 c g 1.0 e, f Click here for the Excel Data File Do each of the following: a. Determine the minimum cycle time, the maximum cycle time, and the calculated cycle time. (Round your answers to 1 decimal place.) b. Determine the minimum number of stations needed. (Round your answer to the next whole number.) c. Assign tasks to workstations on the basis of greatest number of following tasks. Use longest processing time as a tiebreaker. If ties still exist, assume indifference in choice. d. Compute the percentage of idle time for the assignment in part d. Use the actual bottleneck cycle time in your calculation.…
Assume that operations on a work package were expected to cost $1,500 to complete the package. They were originally scheduled to have been finished today. At this point, however, we have actually expended $1,200, and we estimate that we have completed four-fifths of the work. What is the Cost-Schedule Index? (0.5) What does it indicate? (0.5) Show all your work and explain.
(Note: Task N is a dummy task. It must be included in the relationships, but its duration is 0. Be sure its duration is set to 0) Please see attached charts and diagram. Assign the following resources to the tasks. All resources will be full time. (Set the leveling to manual first). Task Resource Cost / Day A R1 200 B R2 300 C R3 300 D R4 300 E R2 300 F R4 300 G R1 200 H R5 200 I R6 400 J R5 200 K R1 200 L R3 300 M R2 300 N - - 2. Level if necessary. Then determine the new critical path and duration. 3. What is the total cost of the project (Fixed + Resource cost)? How much does the project need in the first, second, and third weeks?
(Note: Task N is a dummy task. It must be included in the relationships, but its duration is 0. Be sure its duration is set to 0) Please see attached charts and diagram. Assign the following resources to the tasks. All resources will be full time. (Set the leveling to manual first). Task Resource Cost / Day A R1 200 B R2 300 C R3 300 D R4 300 E R2 300 F R4 300 G R1 200 H R5 200 I R6 400 J R5 200 K R1 200 L R3 300 M R2 300 N - - 1. Check for over-allocation. Which resources are over allocated? 2. Level if necessary. Then determine the new critical path and duration. 3. What is the total cost of the project (Fixed + Resource cost)? How much does the project need in the first, second, and third weeks?
Develop a solution for the following line balancing problem, allowing a cycle time of 5 minutes. Does the solution have the minimum number of stations? Explain. How much idle time is there, summed over all workstations? What is the efficiency of this line? SHOW ALL WORK Work Task Task Time (seconds) Task Predecessor(s) A 70 - B 60 A C 120 B D 60 - E 240 C, D F 100 A G 190 E, F
The times required to complete each of eight jobs in a two-machine flow shop are shown in thetable 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. Construct a chart of the resulting sequence, and find machine B’s idle time. c. For the sequence determined in part a, how much would machine B’s idle time be reduced bysplitting the last two jobs in half?TIME (hours)Job Machine A Machine Ba 16 5b 3 13c 9 6d 8 7e 2 14f 12 4g 18 14h 20 11
If the cycle time is 65.4 seconds and A is assigned as the first task in Workstation #1, what is the idle time after assigning task A? Task Task Time (seconds) Tasks That Must Precede Other Tasks Number of Following Tasks A 28 - 7 B 13 - 8 C 35 B 7 D 11 A 6 E 20 C 6 F 6 D, E 5 G 23 F 3 H 25 F 2 I 37 G 1 J 11 G, H 1 K 27 I, J 0 Total 236 a. 26.9 minutes b. 37.4 seconds c. 28.5 seconds d. 31.6 seconds e. 57.6 seconds
Jamison Day Consultants has been entrusted with thetask of evaluating a business plan that has been divided into foursections—marketing, finance, operations, and human resources.Chris, Steve, Juana, and Rebecca form the evaluation team. Eachof them has expertise in a certain field and tends to finish thatsection faster. The estimated times taken by each team memberfor each section have been outlined in the table below. Furtherinformation states that each of these individuals is paid $60/hour.a) Assign each member to a different section such that JamisonConsultants’s overall cost is minimized.b) What is the total cost of these assignments?Times Taken by Team Members for Different Sections (minutes)MARKETING FINANCE OPERATIONS HRChris 80 120 125 140Steve 20 115 145 160Juana 40 100 85 45Rebecca 65 35 25 75
The Mowry Machine Shop still has five jobs to be processedas of 8 a.m. today (day 23) at its bottleneck operation. The daywhen the order arrived, processing time, and promised duedates are given in the following table. The jobs are listed inthe order of arrival.a. Develop separate schedules by using the FCFS and EDDrules. Compare the schedules on the basis of averageflow time and average days past due.b. Which rule gives the best schedule, in your judgment?Why?
A dress-making operation is being designed as an assemblyline. Table 10-22 shows the tasks that need to be performed, theirtask times, and preceding tasks. If the goal is to produce 30 dressesper hour, answer the questions that follow the table. (a) Compute the cycle time.(b) Which task is the bottleneck?(c) What is the maximum output for this line?(d) Compute the theoretical minimum number of stations.(e) Assign work elements to stations, using the longest tasktime rule.(f) Compute the effi ciency and balance delay of yourassignment.
please answer 5 questions below, my deadline is coming in tomorrow Information are all in 2 pictures