2. Use Gantt chart technique to obtain the sequence in which the three jobs J, J2, and J3 should be performed on two machines M, and M for completion in the minimum time. The machining is to be done in the order M-M, and the timings are given in the following table.

Transcribed Image Text:

Job 555 Processing time (hours) Machine M, 5 6 Machine M 7 4 6