An assembly line is to operate 7 hours per day with a desired output of 750 units per day. Theassembly line tasks, times, and predecessors are shown in the table below.Task12345678Time (s)20720221510168a. Draw the precedence diagram.b. What is the workstation cycle time?c. What is the theoretical number of work stations?Predecessor122345,67d. Balance this line using sequential restrictions and the longest operating time rule.e. What is the efficiency of your balanced line?

HJere, first, I will draw the precedence diagram, each task is given the time data and the…

Answered: a. Draw the precedence diagram. b. What…

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

The desired daily ouput for an assembly line is 420 units. This assembly line will operate 595 minutes per day. The following table contains information on the products task times and precedence relationships Task. Task time-seconds Immediate predecessor A. 35 - B. 40 A C 30 A D 40 B E 20 C F 70 C G 45 E-F H 30 D-G The required workstation cycle time to meet the desired output time is 85 seconds Balance this line using the largest number of following tasks. Use the longest task time as a secondary criterion The answer gives only 4 workstations as option Have to fill out following Workstation. Task Idle time 1 ?? ?? 2 ?? ?? 3…
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 A B с D E F G H I Description Find location; determine resource requirements Requisition of lumber and sand Dig and grade Saw lumber into appropriate sizes Position lumber in correct locations Time (hrs) 20 60 100 30 20 10 20 10 30 Nail lumber together Put sand in and under the equipment Put dirt around the equipment Put grass all over the garden, landscape, paint Refer to the legend for the activity that corresponds to each code. Using the line drawing tool, draw a Gantt chart for activites E through I of the project. Immediate Predecessor(s) None A A B D, C E F F G, H A B C- D- E F G H- H 0 20 40 60 80 100 120 140 160 180 200 Q ✔
A company is setting up an assembly line to produce 90 units per hour. The table below identifies the work elements, times, and immediate predecessors. Work Element Time (Sec.) Immediate Predecessor(s) A 25 - B 18 A C 20 A D 5 B, C E 12 C F 8 E G 16 D, F H 12 G What cycle time is required to satisfy the required output? What is the theoretical minimum number of stations?
Assembly Line Problem A shop works a 400-minute day. The manager of the shop wants an output of 200 units per day for the assembly line that has the elemental tasks shown in the following table. Task Immediate Predecessor Task(s) Task Time (minutes) a --- 0.5 b a 1.4 c a 1.2 d a 0.7 e b,c 0.5 f d g e 0.4 h g 0.3 i F 0.5 j e, I 0.8 k h, j 0.9 l k 0.3 d)Compute the efficiency of the assembly 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: A) Determine the maximum and minimum cycle times.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. Submit an Excel file based on Chapter 6 Excel Template to indicate your computation.
Given the following task, times, and sequence, develop a balanced line capable of operating with a I 0-minute cycle time at Dave Visser's company. a) Draw the precedence diagram.b) Assign tasks to the minimum feasible number of workstations according to the greatest time remaining (ranked positional weight) decision rule.c) What is the efficiency of the process?
The Action Toy Company has decided to manufacture a new train set, the production of which is broken into six steps. The demand for the train is 4,800 units per 40- hourworkweek: a) Draw a precedence diagram of this operation. b) Given the demand, what is the cycle time for this operation? c) What is the theoretical minimum number of workstations? d) Assign tasks to workstations. e) How much total idle time is present each cycle? f) What is the efficiency of the assembly line with five stations? With six stations? TASK PERFORMANCE TIME (sec) PREDECESSORS A 20 None 30 15 15 A E 10 В. С 30 D, E
The TLB Yogurt Company must be able to make 600 partycakes in a 40-hour week. Use the following information todraw and label a precedence diagram, compute cycle time,compute the theoretical minimum number of workstations,balance the assembly line, and calculate its efficiency. PerformanceWork Element Precedence Time (min)A —1B A2C B2D A, E 4E —3F C, D 4
An assembly plant for the Blood Pressure RX, a portableblood pressure device, has 400 minutes available daily in theplant for the device, and the average demand is 80 units per day.Final assembly requires 6 separate tasks. Information concerningthese tasks is given in the following table. a) Draw a precedence diagram of this operationb) Given the demand, what is the cycle time for this operation?c) What is the theoretical minimum number of workstations?f d) Assign tasks to workstations.e) What is the overall actual efficiency of the assembly line?
The Action Toy Company has decided to manufacturea new train set, the production of which is broken intosix steps. The demand for the train is 4,800 units per 40-hourworkweek: a) Draw a precedence diagram of this operation.b) Given the demand, what is the cycle time for this operation?c) What is the theoretical minimum number of workstations?d) Assign tasks to workstations.e) How much total idle time is present each cycle?f) What is the efficiency of the assembly line with five stations?With six stations?
An assembly line is to operate eight hours per day with a desired output of 240 units perday. The following table contains information on this product’s task times and precedencerelationships: Task Task Time (Seconds) Immediate Predecessor A 60 — B 80 A C 20 A D 50 A E 90…
As part of a major plant renovation project, the industrial engineering department has been askedto balance a revised assembly operation to achieve an output of 240 units per eight-hour day. Tasktimes and precedence relationships are as follows: [ please refer the attachment for addl details ] Do each of the following:a. Draw the precedence diagram.b. Determine the minimum cycle time, the maximum cycle time, and the calculated cycle time.c. Determine the minimum number of stations needed.d. Assign tasks to workstations on the basis of most following tasks. Use shortest processing timeas a tiebreaker. If ties still exist, assume indifference in choice.e. Compute the percentage of idle time for the assignment in part 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

a. Draw the precedence diagram. b. What is the workstation cycle time? c. What is the theoretical number of work stations?