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An assembly line is to be designed to operate 7 1/2 hours per day and supply a steady demand of 300 units per day. Here are the tasks and their performance times:
PRECEDING Performance Preceding Performance TASK TASKS Time (Sec) Task Tasks Time (Sec) a - 70 g d 60 b - 40 h e 50 c - 45 i f 15 d a 10 j g 25 e b 30 k h, i 20 f c 20 l j, k 25
a. Draw the precedence diagram.
b. What is the workstation cycle time?
c. What is the theoretical minimum number of workstations?
d. Assign tasks to workstations using the longest operating time.
e. What is the efficiency of your line balance?
f. Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 7 1_2 hours per day.
Lead Time - Operations Management Estimated time from release of an order requesting the manufacture or procurement of any item until the time it is available. The lead time (
1. What are the three requirements which must simultaneously be met when designing jobs? Answer: Technical, economic and behavioural feasibility.
The technique that estimates long-run costs and the minimum efficient scale by determining the scale of operation at which most firms in an industry are concentrated is called the-
Professor Davis teaches a course in supply chain management at North Texas State University. She is scheduled to give her class of 32 students a final exam on the last day of exam
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A typical change request from will include which of the following content item? a. a description of the change a long with the impact of marking the change. b. a status accounting
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The market testing stage of the new-product process often involves test markets or purchase laboratories in which the dependent variable is consumer attitudes. price. adve
A cigar company stocks Cuban cigars that have variable lead times because of the difficulty in importing the product. Lead time is normally distributed with an average of 6 weeks a
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