Using Johnson’s for 2 machine scheduling, the sequence is: For the schedule developed using Johnson’s rule,

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QUESTION:

Using Johnson’s for 2 machine scheduling, the sequence is:

Scheduled Order __________________ Job

1 …………………………………………. C

2 …………………………………………. B

3 …………………………………………. E

4 …………………………………………. A

5 …………………………………………. D

6 …………………………………………. F

For the schedule developed using Johnson’s rule, the total length of time taken to complete the six jobs (including the 2nd operation) = hours (enter response as a whole number).

Six jobs are to be processed through a two-step operation. The first operation involves sanding, and the second involves painting Processing times are as follows:

Job…….Operation 1…….Operation 2
…………(hours)………..(hours)
A………….12……………..4
B…………..8…………….11
C…………..5…………….14
D…………..6……………..2
E…………..9…………….10
F…………..3……………..1


 

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