c. Calculate the cycle time and draw the precedence graph and find the minimum possible number of workstations. Then arrange the work activities into workstations to balance the line. Assume eight-hour work day, assume output 375 units per day. What is the efficiency of the line? Task Performance Precedence time(minutes) A 12 11 C B D 4 B E 11 A F 5 C,D G 9. F H 10 E I 4 G,H

c. Calculate the cycle time and draw the precedence graph and find the minimum possible number of workstations. Then arrange the work activities into workstations to balance the line. Assume eight-hour work day, assume output 375 units per day. What is the efficiency of the line? Task Performance Precedence time(minutes) A 12 11 C B D 4 B E 11 A F 5 C,D G 9. F H 10 E I 4 G,H

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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0.5 A 0.7 B 5 Station 1 2 3 0.5 Tasks B,A,C,D E,F G,H,I Total 0.1 D 0.6 F The cycle time is determined to be 2.0 minutes. How would the line be balanced by choosing the assignable task having the longest task time first? Fill in the table below. If your answer is zero, enter "0". Round your answers to one decimal place. Total Time Idle Time G 0.4 E 1.1 H 0.2 What is the assembly-line efficiency? Round your answer to one decimal place. % T 0.1
Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40teddy bears per hour on its assembly line. The following information will assist in answering thequestions that follow: Task Information for Kiko Teddy Bear Work Element Task Description ImmediatePredecessor Task Time (inseconds)A Cut teddy bear pattern None 90B Sew teddy bear cloth A 75C Stuff teddy bear B 50D Glue on eyes C 20E Glue on nose C…
Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40teddy bears per hour on its assembly line. The following information will assist in answering thequestions that follow: Task Information for Kiko Teddy Bear Work Element Task Description ImmediatePredecessor Task Time (inseconds)A Cut teddy bear pattern None 90B Sew teddy bear cloth A 75C Stuff teddy bear B 50D Glue on eyes C 20E Glue on nose C…
You are alone at home and have to prepare a bread sandwich for yourself. The following preparation activities and time taken are given in the table below: Task Description Predecessor Time (Minutes) A Purchase of bread - 20 B Take cheese and apply on bread A 5 C Get onions from freezer A 1 D Fry onions with pepper B,C 6 E Purchase sauce for bread - 15 F Toast bread B,C 4 G Assemble bread and fried onions F 2 H Arrange in plat G 1 Determine: a. While purchasing sauce, you met a friend and spoke to him for 6 minutes. Did this cause any delay in the preparation?
The Sun River beverage company is a regional producer of teas, exotic juices, and energy drinks. With an interest in healthier lifestyles, there has been an increase in demand for its sugar-free formulation. The final packing operation requires 13 tasks. Sun River bottles its sugar-free product 5 hours a day, 5 days a week. Each week, there is a demand for 3,000 bottles of this product. TASK TIME (MINUTES) PRECEDING TASK 1 0.1 — 2 0.1 1 3 0.1 2 4 0.2 2 5 0.1 2 6 0.2 3, 4, 5 7 0.1 1 8 0.1 7 9 0.2 8 10 0.1 9 11 0.2 6 12 0.2 10, 11 13 0.1 12 Using the following data, solve the assembly-line balancing problem and calculate the efficiency of your solution. Use the longest task time for your decision criteria. Note: Round your answer to the nearest whole percent.
An assembly task was broken down into four elements, and timed using the continuous timing method. The resulting data and performance ratings are provided below. Calculate the total standard time for this task. Element 1 2 3 4 Watch Time 1.85 2.96 5.42 7.10 Observed Time Rating 95 105 120 115 Normal Time Total ST Standard Time
Karina 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.
Kiko Teddy Bear is a manufacturer of stuffed teddy bears. Kiko would like to be able to produce 40 teddy bears per hour on its assembly line. The following information will assist in answering the questions that follow: Task Information for Kiko Teddy Bear Work Element Task Description Immediate Predecessor Task time (in seconds) A Cut teddy bear pattern None 90 B Sew teddy bear cloth a 75 C stuff teddy bear b 50 D glue on eyes c 20 E glue on nose c 15 F sew on mouth c 35 G attach manufacturer's label b 15 H Inspect and pack teddy bear d,e,f,g 40 a. Draw a precedence diagram. b. What cycle time would provide the desired output? c. What is the maximum possible output of the line? d. What is the theoretical minimum number of workstations using the cycle time computed in” b “ above? e. Assign tasks to workstations using the cycle time in “b” above. f. Calculate the efficiency and idle time percentage of the line.
Sue Helms Appliances wants to establish an assem-bly 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 MicroPopcorn Popper are as follows:TASK TIME (min) IMMEDIATEPREDECESSORSA 10 —B 12 AC 8 A, BD 6 B, CE 6 CF 6 D, Ea) What is the theoretical minimum for the smallest number ofworkstations that Helms can achieve in this assembly line?b) Graph the assembly line, and assign workers to workstations.Can you assign them with the theoretical minimum?c) What is the efficiency of your assignment?
(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?
The desired daily output for an assembly line is 300 units. This assembly line will operate 375 minutes per day. The following table contains information on this product's task times and precedence relationships: TASK TASK TIME (SECONDS) ADCOACH А 30 B 35 с 30 35 E 15 F 65 G 40 Н 25 IMMEDIATE PREDECESSOR - B с AADCC E-F D-G b. What is the required workstation cycle time to meet the desired output rate? Workstation cycle time seconds per unit