Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)
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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
  1. a. Draw the precedence diagram.
  2. b. Assign tasks to the minimum feasible number of workstations according to the “ranked positioned weight” decision rule.
  3. c. What is the efficiency of the process you completed in (b)?
  4. d. What is the idle time per cycle?
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Tailwind, Inc., produces high-quality but expensive training shoes for nmners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to provide morestability 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:                                                                                                                                                                        a) Draw the precedence diagram.b) Assign tasks to thl e 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?
Vikiki Furniture, Inc. produces all types of office furniture. The "Executive Secretary" is a sofa-bed that has been designed using ergonomics to provide comfort during long work hours. The sofa-bed sells for $138. There are 580 minutes available during the day, and the average daily demand has been 65 items. There are eight tasks: Task performance time (min) task must follow task listed A 4 -- B 7 -- C 6 A, B D 5 C E 6 D F 7 E G 8 E H 6 F, G Total 49 min What is the Cycle time for this operation?
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 positioned​weight" to workstations is shown in Fig 1, 2 or 3   ​c) The efficiency of the assembly line with 5 workstations shown in the figure…

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Mylab Operations Management With Pearson Etext -- Access Card -- For Operations Management: Sustainability And Supply Chain Management (13th Edition)

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