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30 October, 22:28

As part of a major plant renovation project, the industrial engineering department has been asked to balance a revised assembly operation to achieve an output of 240 units per eight-hour day. task times and precedence relationships are as follows:

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  1. 31 October, 01:28
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    The answer is 3 stations.

    Explanation:

    Minimum cycle time = 1.2 minutes.

    Maximum cycle time = 0.2+0.4+0.2+0.4+1.2+1.2+1.0 = 4.6 minutes.

    Calculated CT = OT : input = 480 : 240 = 2 minutes.

    N = 4.6 : 2 = 2.3 minutes.

    Maximum number of stations required would be 3.
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