OPERATIONS MANAGEMENT W/ CNCT+
12th Edition
ISBN: 9781259574931
Author: Stevenson
Publisher: MCG CUSTOM
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Chapter 16, Problem 2P
Rework Problem 1, treating the numbers in the table as profits instead of costs. Compute the total profit.
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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.
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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?
Sue Helms Appliances wants to establish an assembly line to manufacture its new product, the Micro Popcorn Popper. The goal is to produce
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poppers per hour. The tasks, task times, and immediate predecessors for producing one Micro Popcorn Popper are as follows:
Task
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Task Must Follow Task Listed Below
A
8
−
B
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C
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D
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E
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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…
Chapter 16 Solutions
OPERATIONS MANAGEMENT W/ CNCT+
Ch. 16 - Why is scheduling fairly simple for repetitive...Ch. 16 - Prob. 2DRQCh. 16 - What are Gantt charts? How are they used in...Ch. 16 - Prob. 4DRQCh. 16 - Briefly describe each of these priority rules: a....Ch. 16 - Why are priority rules needed?Ch. 16 - What problems not generally found in manufacturing...Ch. 16 - Explain forward and backward schedulings and each...Ch. 16 - Prob. 9DRQCh. 16 - Prob. 10DRQ
Ch. 16 - Prob. 11DRQCh. 16 - What general trade-offs are involved in sequencing...Ch. 16 - Prob. 2TSCh. 16 - Prob. 3TSCh. 16 - One approach that can be effective in reducing the...Ch. 16 - Doctors and dentists offices frequently schedule...Ch. 16 - Prob. 3CTECh. 16 - Use the assignment method to determine the best...Ch. 16 - Rework Problem 1, treating the numbers in the...Ch. 16 - Assign trucks to delivery routes so that total...Ch. 16 - Develop an assignment plan that will minimize...Ch. 16 - Use the assignment method to obtain a plan that...Ch. 16 - The following table contains information...Ch. 16 - Using the information presented in the following...Ch. 16 - The following table shows orders to be processed...Ch. 16 - A wholesale grocery distribution center uses a...Ch. 16 - The times required to complete each of eight jobs...Ch. 16 - Prob. 11PCh. 16 - A shoe repair operation uses a two-step sequence...Ch. 16 - The following schedule was prepared by the...Ch. 16 - The production manager must determine the...Ch. 16 - A foreman has determined processing times at a...Ch. 16 - Given the information in the following table,...Ch. 16 - Given the following information on job times and...Ch. 16 - Prob. 18PCh. 16 - The following table contains order-dependent setup...Ch. 16 - The following table contains order-dependent setup...Ch. 16 - Prob. 21PCh. 16 - Given this information on planned and actual...Ch. 16 - Given the following data on inputs and outputs at...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Determine the minimum number of workers needed,...Ch. 16 - Prob. 1CQ
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- 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…arrow_forwardKiko 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…arrow_forward1. Using the following figure, perform resource-leveling. Assume that each task can be performed independently of the other tasks. ATTACHED FIGURE IS LOCATED HERE 2. Using the figure in question 1, perform resource-limited scheduling. Assume that you have only three workers available at any given time. What is the new completion date for the project?arrow_forward
- Which of the following tasks would typically represent an operations management activity at Hard Rock Cafe? A. receiving a shipment of incoming food ingredients B. preparing an employee schedule C. designing an efficient layout D.all of the abovearrow_forward(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?arrow_forward(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?arrow_forward
- 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, Farrow_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_forwardGiven this list of tasks, how much idle time is at station 3 if the cycle time is 15 minutes and the Longest Operation Time heuristic is used? Task Duration (min) Predecessor A 8 -- B 7 A C 9 B D 6 C E 7 C F 7 D,E G 9 F H 12 G ANSWER Unselected 3 minutes Unselected 2 minutes Unselected 1 minute Unselected I DON'T KNOW YETarrow_forward
- 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…arrow_forwardBased on the cost information given in the following table, which set of job-machine pairs reflects the minimum-cost solution using the Assignment method? Machine A B C Job 1 0 0 0 2 3 6 4 3 2 4 0arrow_forwardThe work breakdown structure (WBS) for building a house (levels 1 and 2) is shown below: a) Add two level-3 activities to each of the level-2 activities to provide more detail to the WBS. b) Select one of your level-3 activities and add two level-4 activities below it.arrow_forward
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