A1,2,3
1. How will the increasing adoption of automation and AI reshape the future of work, and
what challenges and opportunities does this present for businesses and individuals?
2. Explain the importance of productivity, efficiency, and effectiveness in a competitive
business environment.
3. What is a process? Explain the difference between value creation, support, and general
management processes. Why are processes important in OM?
4. Why are operations management principles and methods important to managers of
activities in such traditional functional areas as accounting, marketing, and finance (for
instance, an audit supervisor, sales manager, or loan officer)?
5. Define a good and service. What is the difference between a durable and non-durable
good? Explain the key differences between goods and services.
6. Discuss the different types of facility layouts, such as product layout, process layout,
fixed-position layout, and combination layout.
7. Explain the concept of block diagramming. How can block diagramming be used to
develop effective facility layouts?
8. What is operations strategy? How does it relate to corporate strategy?
9. Describe the components of the strategic planning process. What makes a good strategic
planning process?
10. Explain how goods and services are designed. How is the design of manufactured goods
similar to designing services? How does it differ?
11. What are the objectives of facility and work design? How can it help support strategic
directions? Describe the major types of layout patterns. What are the advantages and
disadvantages of each? Provide one example of each type of layout for goods-producing
and service providing firms.
12. Discuss key issues in designing a layout for services.
13. Explain the formal definition of capacity. Explain the concepts of economies and
diseconomies of scale and their importance to capacity decisions.
14. Explain the difference between theoretical and effective capacity. Why is safety capacity
important? Provide some examples of safety capacity in manufacturing and service
organizations.
Retail Outlet X Y VOLUME
A 4 10 80
B 3.5 15 100
C 4 6 120
D 10 2 130
E 16 6 100
F 8 5 150
G 14 13 90
15. Demand coordinates of the region are given below. Find the best plant
location using centre of gravity method.
Retail Outlet X Y VOLUME
A 4 10 80
B 3.5 15 100
C 4 6 120
D 10 2 130
E 16 6 100
F 8 5 150
G 14 13 90
16. The new Health care facility is targeted to serve seven census tracts in
Delhi. The table given below shows the coordinates for the centre. Find the
target area’s centre of gravity for the health-care medical facilities.
17. Solve the following sequences problem using Johnson’s two
machines algorithm method.
Find out:
1. Total Run time/ Elapse time
2. Total Idle Time
3. Optimal Span Time
Job Machi Machi
s ne 1 ne 2
J1 9 7
J2 5 4
J3 10 9
J4 1 5
J5 3 2
18. Solve the following sequences problem using Johnson’s two
machines algorithm method.
Find out:
1. Total Run time/ Elapse time
2. Total Idle Time
3. Optimal Span Time
S. No Activities Machine 1 Machine 2
1 P 15 6
2 Q 32 19
3 R 8 13
4 S 27 20
5 T 11 14
6 U 16 7
19. Lata Carpet and Trim installs carpeting in commercial offices . Carol
Latta has been very concerned with the amount of time it took to complete
several recent jobs. Some of her workers are very unreliable. A list of
activities and their optimistic completion time, the most likely completiion
time, and the pessimistic completiion time (all in days) for a new contract are
given in the following table.
Activities Optimistic Most Likely Pessimistic Immediate
Time Time Time Predecesso
r
A 3 6 8 None
B 2 4 4 None
C 1 2 3 None
D 6 7 8 C
E 2 4 6 B, D
F 6 10 14 A, E
G 1 2 4 A, E
H 3 6 9 F
I 10 11 12 G
J 14 16 20 C
K 2 8 10 H, I
a. Q1. Carol Latta would like to determine the total project completion time
and the critical path for installing carpeting in a large new office building.
b. Q2. What is the probability that Latta Carpet and Trim will finish the project
in 40days?
c. Q3 How many days it will take to complete 99% of the project?
d. Q4. How many days it will take to complete 80% of the project?
20. Bill Fennema, president of Fennema Construction, has developed the
tasks, durations, and predecessor relationships in the following table for
building new motels. Draw the network diagram and answer the questions
that follow.
Activity Immediate Optimistic Most Likely
Predecesso Time Time Pessimistic
r Time
A None 4 8 10
B A 2 8 24
C A 8 12 16
D A 4 6 10
E B 1 2 3
F E, C 6 8 20
G E, C 2 3 4
H F 2 2 2
I F 6 6 6
J D, G, H 4 6 12
K I,J 2 2 3
a. Find the expected time of the network diagram.
b. Find the variance of all the activities.
c. Find the critical path of the network diagram.
d. Find the Shortest path of the network diagram.
e. What is the probability that this project gets completed in 36 days?
f. How many days it will take to complete 99% of the project?
21. The assembly line whose activities are shown through the activities
given below with 8 minutes cycle time. Draw the precedence graph and find
the minimum possible number of workstations. Then arrange the work
activities into workstations to balance the line. What is the efficiency of your
line balance?
Time Performance Time Task Must Follow
(Minutes) This Task
A 5 None
B 3 A
C 4 B
D 3 B
E 6 C
F 1 C
G 4 D, E, F
H 2 G
22. Given the following data describing a line-balancing problem at Kate
Moore’s company, develop a solution with a given cycle time of 3 minutes.
Task Element Time (Minutes) Element
Predecessor
A 1 None
B 1 A
C 2 B
D 1 B
E 3 C, D
F 1 A
G 1 F
H 2 G
I 1 E,H
a. What is the efficiency of that line?
b. How many units can be produced in 480 minutes day?
c. What is the total idle time per day?
d. What are the theoretical minimum number of workstations?
23. Detroit Central hospital is trying to improve its image by providing a
positive experience for its patients and their relatives. Part of the image
program involves providing tasty, inviting patients’ meals that are also
healthful. A questionnaire accompanies each meal served, asking the
patients, among other things, whether he or she is satisfied or unsatisfied
with the meal. A 100-patient sample of the survey over the past 7 days
yielded the following data:
Day No of Unsatisfied Patients Sample Size
1 24 100
2 22 100
3 8 100
4 15 100
5 10 100
6 26 100
7 17 100
Constructs a p-chart that plots the percentage of patients unsatisfied with their
meals.
24. Chicago Supply Company manufactures paper clips and other products.
Although inexpensive, paper clips have provided the firm with a high margin
of profitability. Samples of 200 are taken. Results are given for the last 10
samples. Establish upper and lower control limits for the control chart and
graph the data. Is the process in control?
S. No Sample Defective
s
1 1 5
2 2 7
3 3 4
4 4 4
5 5 6
6 6 3
7 7 5
8 8 6
9 9 2
10 10 8
25. A random sample of 200 was taken from daily production of large output of pens and
number of defective pens was noted. On the basis of information given below, prepare a
control chart for fraction defective. What conclusion do you draw from the control chart?
26. The following table gives the number of errors of alignment observed at final inspection
of a certain model. Prepare a C-chart and comment on it.
27. The following data refer to visual defects found at inspection of the first 10 samples of
size 100. Use them to prepare upper and lower control limits for percentage defective in
samples of 100. Represent the first ten sample results in the way you prepare to show the
central line and control limits.
28. From a transistor production line 20 samples (each sample of 100 transistors) is chosen.
The number of defects in each sample are given below:
Compute the values for an appropriate control chart and give your comments.
29. Determine the early start and late start in respect of all node points and identify critical
path for the following network.
30. Find the critical path and calculate the slack time for the following network
31. A project has the following times schedule
Construct the network and compute
TE and TL for each event
Float for each activity
Critical path and its duration
32. A project is represented by the network as shown below and has the following data
Determine the following
Expected task time and their variance
Earliest and latest time
