Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)
13th Edition
ISBN: 9780135225899
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Chapter 9, Problem 17P
Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 40D minutes available for manufacturing the shoes in the plant each day. Daily demand is 60. The information for the tasks is as follows:
| TASK | PERFORMANCE TIME (MIN) | TASK MUST FOLLOW TASK LISTED BELOW |
| A | 1 | − |
| B | 3 | A |
| C | 2 | B |
| D | 4 | B |
| E | 1 | C, D |
| F | 3 | A |
| G | 2 | F |
| H | 5 | G |
| I | 1 | E, H |
| J | 3 | I |
- a. Draw the precedence diagram.
- b. Assign tasks to the minimum feasible number of workstations according to the “ranked positioned weight” decision rule.
- c. What is the efficiency of the process you completed in (b)?
- d. What is the idle time per cycle?
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Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind
shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more
stability and better protection against knee, foot, and back injuries. Manufacturing the shoes
requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in
the plant each day. Daily demand is 60. The information for the tasks is as follows:
Performance Time
Task
(in minutes)
1
Н
ABCDEFGH
Task Must Follow
This Task
C, D
ABB GAFG
324-325-
E, H
25
312
|
Required:
a. Draw the precedence diagram showing the task precedence and their times
b. Determine the cycle time associated with the rate of output required.
c. What is the theoretical minimum number of work stations required to satisfy this output rate?
d. Allocate the tasks to work stations taking into consideration the precedence requirements and using
the LOT rule to break ties between feasible tasks.
e. What is the…
Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are
400
minutes available for manufacturing the shoes in the plant each day. Daily demand is
64.
The information for the tasks is as follows:
Task
Performance
Time (mins)
Predecessors
A
1
−
B
3
A
C
1
B
D
4
B
E
1
C, D
F
3
A
G
2
F
H
5
G
I
1
E, H
J
3
I
a) The efficiency of the assembly line with 5 workstations shown in the figure chosen above=(enter your response as a percentage rounded to one decimal place).
b) The idle time for the assembly line per cycle =minute(s) (enter your…
Tailwind, Inc., produces high-quality but expensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide more stability and better protection against knee, foot, and back injuries. Manufacturing the shoes requires 10 separate tasks. There are 400minutes available for manufacturing the shoes in the plant each day. Daily demand is 62.The information for the tasks is as follows:
Task
Performance
Time (mins)
Predecessors
A
1
−
B
3
A
C
1
B
D
4
B
E
1
C, D
F
3
A
G
2
F
H
5
G
I
3
E, H
J
2
I
a-b) The correct precedence relationship with one of the possible assignments of tasks using the "ranked positionedweight" to workstations is shown in Fig 1, 2 or 3
c) The efficiency of the assembly line with 5 workstations shown in the figure…
Chapter 9 Solutions
Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)
Ch. 9 - Prob. 1EDCh. 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. 10DQCh. 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 - Six processes are to be laid out in six areas...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. 18PCh. 9 - Because of the expected high demand for Mach 10,...Ch. 9 - Prob. 20PCh. 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 - Prob. 8PCh. 9 - Prob. 9PCh. 9 - Prob. 25PCh. 9 - Prob. 26PCh. 9 - Prob. 27PCh. 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. 1.6VCCh. 9 - Prob. 2.1VCCh. 9 - Prob. 2.2VCCh. 9 - Prob. 2.3VC
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