(i) List four of the most common priority decision rules applicable to jobs to be completed on one single machine.
(ii) Six jobs are to be processes through the preparation and paint shops. The operation times are as follows:
|
Job
|
Preparation time HRS
|
Paint shop time HRS
|
|
A
B
C
D
E
F
|
10
7
5
3
2
4
|
5
4
7
8
6
3
|
Determine a sequence that will minimize the total completion time. Find the make span time.