OPERATIONS MANAGEMENT (LL) W/CONNECT
14th Edition
ISBN: 9781265502942
Author: Stevenson
Publisher: MCG CUSTOM
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 6, Problem 7P
For the given set of tasks, do the following:
a. Develop the precedence diagram
b. Determine the minimum cycle time and then calculate the cycle time for a desired output of 500 units in a seven-hour day. Why might a manager use a cycle tune of 50 seconds?
c. Determine the minimum number of workstations for output of 500 units per day
d. Balance the line using the greatest positional weight heuristic. Break ties with the most following tasks heuristic. Use a cycle tune of 50 seconds.
e. Calculate the percentage idle time for the line.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Line balancing
As the Operations Manager of Shane Manufacturing Ltd., you are given the task to balance the assembly
line that is used to produce a special type of toy.
a. Develop your own scenario (quantitative example) of this line balancing problem. Include all
relevant information.
b. Draw the precedence diagram for the problem that you set up in part “a" above.
c. Use the example that you set up to demonstrate how you will balance the line.
d. Calculate 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: 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.
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
A
BCDEFGH
G
I
Find location; determine resource
requirements
Requisition of lumber and sand
Dig and grade
Saw lumber into appropriate sizes
Position lumber in correct locations
Nail lumber together
Put sand in and under the equipment
Put dirt around the equipment
Put grass all over the garden, landscape,
paint
Time
(hrs)
20
60
100
35
20
10
20
30
Immediate Predecessor(s)
None
A
A
B
D, C
E
F
F-
G, H
Refer to the legend for the activity that corresponds to each code.
Using the line drawing tool, draw a Gantt chart for activities E through I of the project.
Chapter 6 Solutions
OPERATIONS MANAGEMENT (LL) W/CONNECT
Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.2 - MORTON SALT Introduction Morton Salt is a...Ch. 6.3 - FOXCONN SHIFTS ITS FOCUS TO AUTOMATION Foxconn...Ch. 6.3 - FOXCONN SHIFTS ITS FOCUS TO AUTOMATION Foxconn...Ch. 6.3 - Prob. 2.1RQCh. 6.3 - Prob. 2.2RQ
Ch. 6.3 - Prob. 3.1RQCh. 6.3 - Prob. 3.2RQCh. 6.5 - Prob. 1.1RQCh. 6.5 - Prob. 1.2RQCh. 6 - Explain the importance of process selection in...Ch. 6 - Briefly describe the five process types, and...Ch. 6 - Prob. 3DRQCh. 6 - Briefly describe computer-assisted approaches to...Ch. 6 - What is a flexible manufacturing system, and under...Ch. 6 - Prob. 6DRQCh. 6 - Why might the choice of equipment that provides...Ch. 6 - Prob. 8DRQCh. 6 - Prob. 9DRQCh. 6 - Briefly describe the two main layout types.Ch. 6 - Prob. 11DRQCh. 6 - Prob. 12DRQCh. 6 - What is the goal of Line balancing? What happens...Ch. 6 - Why are routing and scheduling continual problems...Ch. 6 - Prob. 15DRQCh. 6 - Prob. 16DRQCh. 6 - The City Transportation Planning Committee must...Ch. 6 - Identify the fixed-path and variable-path...Ch. 6 - Prob. 19DRQCh. 6 - Prob. 20DRQCh. 6 - Prob. 21DRQCh. 6 - Prob. 22DRQCh. 6 - What is cellular manufacturing? What are its main...Ch. 6 - Prob. 24DRQCh. 6 - Prob. 25DRQCh. 6 - Prob. 1TSCh. 6 - What trade-offs are involved when deciding how...Ch. 6 - Who needs to be involved in process selection?Ch. 6 - Prob. 4TSCh. 6 - Prob. 5TSCh. 6 - Prob. 1CTECh. 6 - Prob. 2CTECh. 6 - What are the risks of automating a production...Ch. 6 - Consider an assembly line such as the burrito...Ch. 6 - Prob. 1PCh. 6 - A manager wants to assign tasks to workstations as...Ch. 6 - A manager wants to assign tasks to workstations as...Ch. 6 - A producer of inkjet printer is planning to add a...Ch. 6 - As part of a major plant renovation project, the...Ch. 6 - Twelve tasks, with times and precedence...Ch. 6 - For the given set of tasks, do the following: a....Ch. 6 - A shop works a 400-minute day. The manager of the...Ch. 6 - Arrange six departments into a 2 3 grid so that...Ch. 6 - Using the information given in the preceding...Ch. 6 - Using the information in the following grid,...Ch. 6 - Arrange the eight departments shown in the...Ch. 6 - Arrange the departments so they satisfy the...Ch. 6 - a. Determine the placement of departments fix a...Ch. 6 - Prob. 15PCh. 6 - Develop a process layout that will minimize the...Ch. 6 - Prob. 17PCh. 6 - Rebalance the assembly line in Problem 7. This...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardA 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,darrow_forwardUse excel to show formulas 1. A company is designing a product layout for a new product. They plan to use this production line 16 hours a day in order to meet forecasted demand of 1200 units per day. For output to equal forecasted demand, what should be the actual cycle time for this production?arrow_forward
- I want full answer with all solution stepsarrow_forwardUse the longest work element rule to balance the assembly line described in the following table and Figure so that it will produce 40 units per hour.a. What is the cycle time?b. What is the theoretical minimum number of workstations?c. Which work elements are assigned to each workstation?d. What are the resulting efficiency and balance delay percentages?e. Use the shortest work element rule to balance the assembly line. Do you note any changes in solution? Work Element Time (Sec) Immediate Predecessor(s) A B C D E F G H I J K 40 80 30 25 20 15 60 45 10 75 15 None A A B C B B D E,G F H,I,Jarrow_forwardThe 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 ✔arrow_forward
- A manager wants to assign tasks to workstations as efficiently as possible and achieve an hourlyoutput of four units. The department uses a working time of 56 minutes per hour. Assign the tasksshown in the accompanying precedence diagram (times are in minutes) to workstations using thefollowing rules:a. In order of most following tasks. Tiebreaker: greatest positional weight.b. In order of greatest positional weight. Tiebreaker: most following tasks.c. What is the efficiency?arrow_forwardA manager wants to assign tasks to workstations as efficiently as possible and achieve an hourly output of 331/3 units. Assume the shop works a 60-minute hour. Assign the tasks shown in the accompanying precedence diagram (times are in minutes) to workstations using the following rules: A. In order of most following tasks. Tiebreaker: greatest positional weight. Work Station Task I II III IV b. In order of greatest positional weight. Tiebreaker: most following tasks. Work Station Tasks I II III IV c. What is the efficiency? (Round your answer to 2 decimal places.) Efficiency _________%arrow_forwardKarina Nieto works for New Products Inc., and one of hermany tasks is assigning new workers to departments. Thecompany recently hired six new employees and would likeeach one to be assigned to a different department. The em-ployees have completed a two-month training session ineach of the six departments from which they received theevaluations shown below (higher numbers are better).Determine how the new employees should be assigned todepartments so that overall performance is maximized.arrow_forward
- The following table details the tasks required forIndiana-based Frank Pianki Industries to manufacture a fullyportable industrial vacuum cleaner. The times in the table are inminutes. Demand forecasts indicate a need to operate with a cycletime of 10 minutes. a) Draw the appropriate precedence diagram for this production line.b) Assign tasks to workstations and determine how much idle time is present each cycle.c) Discuss how this balance could be improved to 100%.d) What is the theoretical minimum number of workstations?arrow_forwardA company is setting up an assembly line to produce 192 units per 8-hour shift. The following table iden-tifies the work elements, times, and immediate predecessors: a. What is the desired cycle time (in seconds)?b. What is the theoretical minimum number of stations?c. Use trial and error to work out a solution, and show your solution on a precedence diagram.d. What are the efficiency and balance delay of the solution found?arrow_forwardGiven the following information, assign tasks to work stations using the most followers rule. Assume the cycle time is 60 seconds. Submit for each workstation (1,2,3 etc.), the tasks assigned in order of assignment, the idle time for each work station and the total idle time. (It will help for you to make the diagram but you are not required to submit the diagram) Immediate Task Task Time (seconds) Predecessor 35 50 A. 20 10 25 F\ C.E 40 Edit Format Table Paragraph V BIUA 12pt v Immediate Predecessor Task Time (seconds) Taskarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Practical Management ScienceOperations ManagementISBN:9781337406659Author:WINSTON, Wayne L.Publisher:Cengage,
Operations ManagementOperations ManagementISBN:9781259667473Author:William J StevensonPublisher:McGraw-Hill Education
Operations and Supply Chain Management (Mcgraw-hi...Operations ManagementISBN:9781259666100Author:F. Robert Jacobs, Richard B ChasePublisher:McGraw-Hill Education
Purchasing and Supply Chain ManagementOperations ManagementISBN:9781285869681Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. PattersonPublisher:Cengage Learning
Production and Operations Analysis, Seventh Editi...Operations ManagementISBN:9781478623069Author:Steven Nahmias, Tava Lennon OlsenPublisher:Waveland Press, Inc.
Practical Management Science
Operations Management
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:Cengage,
Operations Management
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
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.
Inventory Management | Concepts, Examples and Solved Problems; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=2n9NLZTIlz8;License: Standard YouTube License, CC-BY