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a) Construct the precedence diagram from the data provided on work elements.

a) Construct the precedence diagram from the data provided on work elements.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A proposal has been submitted to replace a group of assembly workers, each working individually, with an assembly line. The following table gives the individual work elements. Element Te (min) Immediate predecessors 1 1.0 2 0.5 3 0.8 1,2 4 0.3 5 1.2 3 0.2 3,4 7 0.5 4 8 1.5 5,6,7 The demand rate for this job is 1600 units/week (assume 40 h/week) and the current number of operators required to meet this demand is eight using the individual manual workers. a) Construct the precedence diagram from the data provided on work elements. b) Use the (i) Kilbridge and Wester rule and (ii) ranked positional weights method to assign work elements to stations, respectively. c) What is the balance delay for the solutions? d) The initial cost to install the assembly line is $2,000,000. If the hourly rate for workers is $50.00/h, will the assembly line be justified using a 3-year service life? Assume 50 weeks/yr. Use a rate of return of 10%. 2.
Transcribed Image Text:A proposal has been submitted to replace a group of assembly workers, each working individually, with an assembly line. The following table gives the individual work elements. Element Te (min) Immediate predecessors 1 1.0 2 0.5 3 0.8 1,2 4 0.3 5 1.2 3 0.2 3,4 7 0.5 4 8 1.5 5,6,7 The demand rate for this job is 1600 units/week (assume 40 h/week) and the current number of operators required to meet this demand is eight using the individual manual workers. a) Construct the precedence diagram from the data provided on work elements. b) Use the (i) Kilbridge and Wester rule and (ii) ranked positional weights method to assign work elements to stations, respectively. c) What is the balance delay for the solutions? d) The initial cost to install the assembly line is $2,000,000. If the hourly rate for workers is $50.00/h, will the assembly line be justified using a 3-year service life? Assume 50 weeks/yr. Use a rate of return of 10%. 2.
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