A job shop has received an order consisting of 7 different jobs. These are to be processed through a milling machine and a drilling machine. Processing time of each machine is given in the following table. suggest the optimum processing sequence. Prepare a Gantt chart and indicate the total time for completing the order. if no other order is processed simultaneously, what are the percentage utilization of milling and drilling machines?
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Processing time in minutes in respective machines
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Job name
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A
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B
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C
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D
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E
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F
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G
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Milling M/C
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12
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8
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9
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14
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6
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7
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10
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Drilling M/C
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10
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12
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6
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8
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14
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9
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5
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