An assembly line is to be designed to operate 13 hours per day and supply a steady demand of 325 units per day. Here are the tasks and their performance times:   TASK PRECEDING TASKS PERFORMANCE TIME (SECONDS) TASK PRECEDING TASKS PERFORMANCE TIME (SECONDS) a — 48 g d 43 b — 58 h e 38 c — 73 i f 23 d a 63 j g 33 e b 88 k h, i 53 f c 23 l j, k 67

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
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An assembly line is to be designed to operate 13 hours per day and supply a steady demand of 325 units per day. Here are the tasks and their performance times:

 

TASK PRECEDING
TASKS
PERFORMANCE TIME (SECONDS) TASK PRECEDING
TASKS
PERFORMANCE
TIME (SECONDS)
a 48 g d 43
b 58 h e 38
c 73 i f 23
d a 63 j g 33
e b 88 k h, i 53
f c 23 l j, k 67
 

 

A) What is the efficiency of your line balance?

B) Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 13 hours per day in regular time. (Round your answers to the nearest whole number.)

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