Saudi Electronic Concept of Process Selection and Capacity Planning Questions

For the detailed questions to be answered, please refer to the attached document.

Instructions – PLEASE READ THEM CAREFULLY
• The Assignment must be submitted on Blackboard (WORD format only) via allocated
folder.
• All answered must be typed using Times New Roman (size 12, double-spaced) font.
No pictures containing text will be accepted and will be considered plagiarism).
Assignment Question(s):
(Marks 5)
Question 1:
Sequence the jobs shown below by using a Gantt chart. Assume that the
move time between machines is one hour. Sequence the jobs in priority
order 1, 2, 3, 4.
Job Work Center/Machine Hours
Due Date (days)
1
A/3, B/2, C/2
3
2
C/2, A/4
2
3
B/6, A/1, C/3
4
4
C/4, A/1, B/2
3
a) Using finite capacity scheduling, draw a Gantt chart for the schedule
(Marks 0.5)
b) What is the makespan? (Marks 0.5)
c) How much machine idle time is there? (Marks 0.5)
d) How much idle time (waiting time) is there for each job? (Marks 0.5)
e) When is each job delivered? (Marks 0.5)
f) Which department is the bottleneck? (Marks 0.5)
g) Calculate the machine utilization? (Marks 0.5)
Question 2:
A public accounting firm requires the following activities
for an audit:
Activity
A
B
C
D
E
F
G
Immediate Predecessor
A
B, C
A
B, C
E, D
Activity time
3
2
5
2
4
6
5
a) Draw a network for this project? (Marks 0.5)
b) Make a forward pass and a backward pass to determine ES, LS, EF,
and LF? (Marks 0.5)
c) What are the critical path? (Marks 0.5)

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