QUESTION 19

The jobs listed below have not yet been scheduled. Using the S/RO technique, in what sequence would you schedule these jobs?

Job	Slack	Remaining Operations
A	3	1
B	10	11
C	5	4
D	12	6
E	8	8

	A.	A-D-C-E-B
	B.	E-C-D-A-B
	C.	A-C-D-E-B
	D.	B-E-C-D-A
	E.	A-C-E-B-D

QUESTION 24

The following set of jobs must be processed serially through a two-step system. If Johnson's Rule is used to sequence the jobs then the order in which the jobs would be performed is

Job	Process 1	Process 2
A	12	9
B	8	11
C	7	6
D	10	14
E	5	8

	A.	D-E-B-A-C
	B.	C-B-E-D-A
	C.	A-B-C-D-E
	D.	E-B-D-A-C

4 points

QUESTION 25

The following set of jobs must be processed serially through a two-step system. The times at each process are in hours. If Johnson's Rule is used to sequence the jobs then the makespan time (in hours) for all jobs is

Job	Process 1	Process 2
A	12	9
B	8	11
C	7	6
D	10	14
E	5	8

	A.	53 hours.
	B.	95 hours.
	C.	42 hours.
	D.	90 hours.

4 points

QUESTION 26

The following set of jobs must be processed serially through a two-step system. The times at each process are in hours. If Johnson's Rule is used to sequence the jobs then Job C would start processing on operation 2 at

Job	Process 1	Process 2
A	12	9
B	8	11
C	7	6
D	10	14
E	5	8

	A.	hour 47.
	B.	hour 53
	C.	hour 13.
	D.	hour 26.