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 260 units per 8-hour day. Task times and precedence relationships are as follows:Duration(minutes)e.1e.6e.3ImmediatePredecessorTaskabe.51.61.51.7b. Determine the minimum cycle time, the maximum cycle time, and the calculated cycle time. (Round all answers up to one decimalpoint. For example, round 1.83 up to 1.9.)Minimum cycle timeminutes per unitMaximum cycle timeminutes per unitCalculated cycle time1.9 minutes per unitCompute 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 percentageEficiency

Assembly operation to achieve an output of 260 units per 8-hour day Task a b c d e f g Duration…

Answered: As part of a major plant renovation…

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...

See similar textbooks

Similar questions

Stan's No Touch Car Wash is looking to implement a new ERP system. Colin Alexander has been developing a project plan and has identified the following tasks, precedence relations, and normal task durations. Tasks Predecessors mu_t sigma_t Start 0 0 A start 25 12 B A 17 14.11 C A 45 46.35 D A 32 15.36 E A 37 10.36 F C,D 10 11.8 G B,F 41 15.17 H E,G 44 44.44 end H 0 0 Colin has studied project management at the University of Portland and knows that the starting and ending time of any task may be determined from the information in the table using the critical path method. Assume the following notation when answering the questions below: Metric Description E[ES_i] Expected early start time for task i E[EF_i] Expected early finish time for task i E[LS_i] Expected late start time for task i E[LF_i] Expected late finish time for task i Pr(S_i =< t) Probability the start time for task I =< t Pr(F_i =< t) Probability the finish time for task I…
Smart Manufacturing's production engineers are reviewing the layout of their assembly line for their leading product. The line will operate eight hours a day with a desired output of 240 units per day. The following table contains information about this product's task times and precedence relationships: TASK Task Time (seconds) Immediate Precedent A 60 -- B 80 A C 20 A D 50 A E 90 B,C F 30 C,D G 30 E, F H 60 G Determine: a) Network of activities (precedence diagram) b) Cycle time c) The required number of workstations d) Evaluate the solution by the appropriate line balance heuristic
The City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its citizens. The precedence table for all the activities required to construct this area successfully is as follows: Code Description Time (hrs) Immediate Predecessor(s) A Find location; determine resource requirements 15 None B Requisition of lumber and sand 60 A C Dig and grade 100 A D Saw lumber into appropriate sizes 30 B E Position lumber in correct locations 20 D, C F Nail lumber together 5 E G Put sand in and under the equipment 25 F H Put dirt around the equipment 10 F I Put grass all over the garden, landscape, paint 35 G, H Refer to the legend Code Activity A Planning B Purchasing C Excavation D Sawing E…
The City Commission of Nashville has decided to build a botanical garden and picnic area in the heart of the city for the recreation of its citizens. The precedence table for all the activities required to construct this area successfully is as follows: Code Description Time (hrs) Immediate Predecessor(s) A Find location; determine resource requirements 20 None B Requisition of lumber and sand 55 A C Dig and grade 100 A D Saw lumber into appropriate sizes 35 B E Position lumber in correct locations 25 D, C F Nail lumber together 5 E G Put sand in and under the equipment 20 F H Put dirt around the equipment 10 F I Put grass all over the garden, landscape, paint 35 G, H Refer to the legend LOADING... for the activity that corresponds to each code. Part 2 Using the line drawing tool, draw a…
Sue Helms Appliances wants to establish an assembly line to manufacture its new product, the Micro Popcorn Popper. The goal is to produce five poppers per hour. The tasks, task times, and immediate predecessors for producing one Micro Popcorn Popper are as follows: Task Performance Time (mins) Task Must Follow Task Listed Below A 8 − B 11 A C 10 A, B D 9 B, C E 8 C F 4 D, E A C F B E D In the diagram, there are 6 circles labeled using the letters from A to F. There are 8 of arrows, and each arrow connects one circle to another circle. The arrows are situated in the following manner: A to B, A to C, B to C, C to D, B to D, C to E, D to F, and E to F. Part 2 a) The theoretical minimum number of workstations=55 (round your response up to 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 230 units per 8-hour day. Task times and precedence relationships are as follows: Task Duration(minutes) ImmediatePredecessor a 0.2 - b 0.6 a c 0.4 b d 0.7 - e 1.6 d f 1.8 c g 2 e, f
Daily demand of a product is 240 units and the assembly line operates 8-hour per day. The task times and precedence relationship are given below. Task Task time (sec) Immediate predecessor A 60 B 80 A C 20 A D 50 A E 90 B,C F 30 C,D G 30 E,F H 60 G a. What is the assignment task-workstation assignment obtained using ranked positional weight heuristic? b. What is the cycle time achievable? c. What is the efficiency of the line?
Management wants to design an assembly line that will turn out 800 videotapes per day. There will be eight working hours in each day. The industrial engineering staff has assembled the information below: Task a Time (min. .2 .2 .4 .1 .3 .2 .1 .2 Immediate Predecessor none a none none c, d be none £ g (A) Determine the maximum and minimum cycle time. (B) Determine the optimum cycle time. (C) What is the minimum number of stations needed? (D) Draw the precedence diagram. (E) Assign tasks to stations in order of most following tasks first.
Cyclone Appliances has developed a new European-style convection oven that will be made on an assembly line. The schedule requires 80 ovens in an 8-hour day. The assembly includes seven tasks. The table below indicates the performance time and the sequence requirements for each task. Task Performance Time (minutes) Task must follow Task listed below A 1 B 2 A C 3 B D 2 B E 4 C, D F 1 E G 2 F i) What is the cycle time for this assembly operation? (3 marks) ii) What is the theoretical minimum number of workstations? (3 marks) iii) Draw the precedence diagram. (Please note that diagram can be drawn with the use of Microsoft shapes) (4 marks) b) iv) Briefly explain what "slotting" is. (4 marks) v) State the ethical issues which might arise with regard to slotting? (6 marks)
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.…
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.
A company needs to rebalance a product layout for producing new plastic license plates. They plan to use the assembly line six hours in order to meet projected demand of 2,160 license plates each day. The following table describes the tasks involved in the production of this product: Without regard to projected demand, what is the maximum possible cycle time for this assembly line? Task Time (secs) Immediate Predecessor a 3 none b 4 none c 5 a,b d 7 none e 9 c,d

SEE MORE QUESTIONS

Recommended textbooks for you

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Practical Management Science

Operations Management

ISBN:

9781337406659

Author:

WINSTON, Wayne L.

Publisher:

Cengage,

Operations Management

ISBN:

9781259667473

Author:

William J Stevenson

Publisher:

McGraw-Hill Education

Operations and Supply Chain Management (Mcgraw-hi…

Operations Management

ISBN:

9781259666100

Author:

F. Robert Jacobs, Richard B Chase

Publisher:

McGraw-Hill Education

Business in Action

Operations Management

ISBN:

9780135198100

Author:

BOVEE

Publisher:

PEARSON CO

Purchasing and Supply Chain Management

Operations Management

ISBN:

9781285869681

Author:

Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson

Publisher:

Cengage Learning

Production and Operations Analysis, Seventh Editi…

Operations Management

ISBN:

9781478623069

Author:

Steven Nahmias, Tava Lennon Olsen

Publisher:

Waveland Press, Inc.

SEE MORE TEXTBOOKS