OPERATIONS MGMT.(EBOOK)W/MYOMLAB>IC<
15th Edition
ISBN: 9781269982153
Author: HEIZER
Publisher: PEARSON C
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Textbook Question
Chapter 9, Problem 14P
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-hour workweek:
| TASK | PERFORMANCE TIME (SEC) | PREDECESSORS | |||
| A | 20 | None | |||
| B | 30 | A | |||
| C | 15 | A | |||
| D | 15 | A | |||
| E | 10 | B, C | |||
| F | 30 | D, E | |||
- 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?
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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?
The Sail-Sea is a boat manufacturer. The assembly location is available for production of 60 boats for240 minutes per day.Given the information in the table,a) Draw the precedence diagramb) Fins the minimum number of workstations needed to produce the required daily demand.
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performance time(min)
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a
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1
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3
c
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c
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d, e, f
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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.
(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.
Chapter 9 Solutions
OPERATIONS MGMT.(EBOOK)W/MYOMLAB>IC<
Ch. 9 - Prob. 1DQCh. 9 - Prob. 2DQCh. 9 - Prob. 3DQCh. 9 - Prob. 4DQCh. 9 - Prob. 5DQCh. 9 - Prob. 6DQCh. 9 - Prob. 7DQCh. 9 - Prob. 8DQCh. 9 - What are the requirements for a focused work...Ch. 9 - Prob. 10DQ
Ch. 9 - Prob. 11DQCh. 9 - Prob. 12DQCh. 9 - Prob. 13DQCh. 9 - Prob. 14DQCh. 9 - Prob. 15DQCh. 9 - Prob. 16DQCh. 9 - Explain the concept of cross-docking.Ch. 9 - What is a heuristic? Name several that can be used...Ch. 9 - Prob. 1PCh. 9 - Prob. 2PCh. 9 - Three departmentsmilling (M), drilling (D), and...Ch. 9 - Roy Creasey Enterprises, a machine shop, is...Ch. 9 - Prob. 5PCh. 9 - Prob. 6PCh. 9 - Prob. 7PCh. 9 - Prob. 8PCh. 9 - Six processes are to be laid out in six areas...Ch. 9 - After an extensive product analysis using group...Ch. 9 - Stanford Rosenberg Computing wants to establish an...Ch. 9 - Illinois Furniture, Inc., produces all types of...Ch. 9 - Sue Helms Appliances wants to establish an...Ch. 9 - The Action Toy Company has decided to manufacture...Ch. 9 - The following table details the tasks required for...Ch. 9 - Tailwind, Inc., produces high-quality but...Ch. 9 - Prob. 17PCh. 9 - Because of the expected high demand for Mach 10,...Ch. 9 - Prob. 19PCh. 9 - Suppose production requirements in Solved Problem...Ch. 9 - The preinduction physical examination given by the...Ch. 9 - Samuel Smith's company wants to establish an...Ch. 9 - As the Cottrell Bicycle Co. of St. Louis completes...Ch. 9 - Prob. 1CSCh. 9 - Prob. 2CSCh. 9 - Prob. 3CSCh. 9 - Prob. 4CSCh. 9 - Prob. 1.1VCCh. 9 - Prob. 1.2VCCh. 9 - Prob. 1.3VCCh. 9 - Prob. 1.4VCCh. 9 - Prob. 1.5VCCh. 9 - Prob. 2.1VCCh. 9 - Prob. 2.2VCCh. 9 - Prob. 2.3VC
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