Question: A printed circuit board manufacturer uses five parallel testing machines to test the circuit boards. The duration of the tests varies depending on the job

A printed circuit board manufacturer uses five

A printed circuit board manufacturer uses five parallel testing machines to test the circuit boards. The duration of the tests varies depending on the job to be tested. It is assumed that sixteen workpieces come to the workshop to be tested and the test process times are given in the table below. WORK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 12 10 8 23 15 4 16 17 11 30 26 6 35 31 33 20 TEST PERIOD All parts are ready for testing at time zero. However, some of the test machines are busy. The start times of the machines for operation are as follows: TEST MACHINES T1 T2 T3 T4 T5 AVAILABLE TIME 0 O 12 18 24 Find the work sequences on the machines that will minimize the average flow times of the parts. Show charts of jobs on the Gantt chart

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