Question: 1. (20 points) A manual assembly line is being planned to produce a small consumer appliance. The work elements, element time and precedence constraints are

1. (20 points) A manual assembly line is being planned to produce a small consumer appliance. The work elements, element time and precedence constraints are indicated in the table below. The workers will work 420 min/shift and must produce 350 units/day. Manning level is 1.00 and repositioning time is 1 min. Because worker service time at each station is variable, it has been decided to use a tolerance time that is 1.5 times the cycle time. a. Construct the precedence diagram for his job b. Determine the ideal minimum number of workers c. Solve the line balancing problems Work element Te (min) Immediate predecessors
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