9.17 Tailwind, Inc., produces high-quality but expensive craining shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to pro- vide more stability and better protection against knce, foot, and back injurics. Manufacturing the shocs requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant cach day. Daily demand is 60. The information for the tasks is as follows: TASK TASK MUST FoL USTED BELOW TASK PERFORMANCE TIME (min) 1 - B B 1. C, D F 3 A 2 1 E, H 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 cfficiency of the process you completed in (b)? a What is the idle time per cycle? PX 19 2. 4. D.

Practical Management Science
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Author:WINSTON, Wayne L.
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* 9.17
Tailwind, Inc., produces high-quality but cxpensive
training shoes for runners. The Tailwind shoe, which sells for
$210, contains both gas- and liquid-filled compartments to pro-
vide more stability and better protection against knee, foot, and
back injuries. Manufacturing the shocs requires 10 separate tasks.
There are 400 minutes available for manufacturing the shoes in
the plant cach day. Daily demand is 60. The information for the
tasks is as follows:
TASK MUST FOLLOW TASK
USTED BELOW
TASK
PERFORMANCE TIME (min)
1
-
2
D
4
B
E
C, D
A
2
H.
5.
1
E, H
a) Draw the precedence diagram.
b) Assign tasks to the minimum feasible number of workstations
according to the "ranked positioned weight" decision rule.
) What is the efficiency of the process you completed in (b)?
d) What is the idle time per cycle? PX
1.
B.
Transcribed Image Text:* 9.17 Tailwind, Inc., produces high-quality but cxpensive training shoes for runners. The Tailwind shoe, which sells for $210, contains both gas- and liquid-filled compartments to pro- vide more stability and better protection against knee, foot, and back injuries. Manufacturing the shocs requires 10 separate tasks. There are 400 minutes available for manufacturing the shoes in the plant cach day. Daily demand is 60. The information for the tasks is as follows: TASK MUST FOLLOW TASK USTED BELOW TASK PERFORMANCE TIME (min) 1 - 2 D 4 B E C, D A 2 H. 5. 1 E, H a) Draw the precedence diagram. b) Assign tasks to the minimum feasible number of workstations according to the "ranked positioned weight" decision rule. ) What is the efficiency of the process you completed in (b)? d) What is the idle time per cycle? PX 1. B.
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