A manual assembly line is being designed for a product with annual demand = 100,000 s. The line will operate 50 wks/year, 5 shifts/wk, and 7.5 hr/shift. Work units will be attached continuously moving conveyor. Work content time = 42.0 min. Assume line efficiency E = , balancing efficiency Eb = 0.92, and repositioning time Tr= 6 sec. Determine: %3D %3D ) Hourly production rate to meet demand, and ) Number of workers required.

A manual assembly line is being designed for a product with annual demand = 100,000 s. The line will operate 50 wks/year, 5 shifts/wk, and 7.5 hr/shift. Work units will be attached continuously moving conveyor. Work content time = 42.0 min. Assume line efficiency E = , balancing efficiency Eb = 0.92, and repositioning time Tr= 6 sec. Determine: %3D %3D ) Hourly production rate to meet demand, and ) Number of workers required.

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Concept explainers

Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

A manual assembly line is being designed for a product with annual demand = 100,000
Q2
units. The line will operate 50 wks/year, 5 shifts/wk, and 7.5 hr/shift. Work units will be attached
to a continuously moving conveyor. Work content time = 42.0 min. Assume line efficiency E =
0.97, balancing efficiency Eb 0.92, and repositioning time Tr = 6 sec. Determine:
%3D
a) Hourly production rate to meet demand, and
b) Number of workers required.

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Consider machine A with to = 1 hour, co = 0.25, Ng = 100 jobs/setup, ts %3! %3D %3D 3 hours, c, = 0.5; and machine B with to = 1.5 hour, co = 0.2, N, = 120 jobs/setup, ts = 5 hours, cs = 0.2. Compute te, re, de, Ce for both machines. Which machine has higher r, and which machine has lower c,? %3!
An assembly line running at 2000 hours/year is required to meet the annual demand of 50000 units. The total work content time = 45 min and the manning level is 1. Assuming line efficiency of 0.90 and balancing efficiency of 0.80; determine: (a) the number of work station required to meet the annual demand, and (b) the number of workers required to meet the annual demand if repositioning time of 15 sec is considered in part (b).
Please solve part a b and c and show all work thank you
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