Access over 20 million homework & study documents


Question answers on Operation management


Study Guide


Showing Page:
Surname 1
Operations Management
1. What is operations management? Why is it important? Is a good knowledge of
operations management more important in service or manufacturing industries?
Operations management deals with designing, overseeing, and controlling the production
process as well as redesigning operations of business through the production of goods
and services. This concept is important because it brings about efficiency in the company.
It is more important in manufacturing industries which run on machines and chained
processes, as they enhance effectiveness and efficiency.
2. Discuss the use of PERT/CPM techniques for managing projects. Describe what
PERT/CPM does. Discuss advantages and disadvantages of using it. What other
techniques might you choose to manage your project?
PERT/CPM are management techniques used to control major projects and which
enable a project manager to ensure the said project runs through the set standards and
objectives. They are advantageous because they create a threshold on how to undertake a
project. However, the only disadvantage is that they are involving and require a strong set
of skills to run professionally. Another method useful in managing a project include the
backwards pass technique.
3. What are economies of scale in a manufacturing plant? Do they continue
forever? What are diseconomies of scale? How might you decide the optimal size
of a plant?
Economies of scale of a manufacturing plant exist when it produces more products
using fewer resources, and as such, has more products for sale. These economies of scale
continue over a period, and the management team can maintain them to run forever by
conducting a constant analysis of the market twists and turns. Diseconomies of scale

Sign up to view the full document!

lock_open Sign Up
Surname 2
result when the company faces losses when it increases its production capacities. As such,
the company should conduct an analysis of their optimal production capacity in order to
ensure maximum results
4. What, in your opinion are the 3 most important issues in supply chain
management. Discuss why you think these are the key issues.
The three most important issues in supply chain management are the need to reduce
operational costs, the need to manage complexities, and the need to develop talent within
its chain of operations. Supply chain requires a number of costs that result in a huge
operational expense for the company. As such, there is great need for managers of these
supply chains to be in a position to control costs. In addition, they should also be able to
develop talents of those taking part in the entire process as skills lead to efficiency.
5. Discuss why (or if) inventories are necessary. What are the benefits of
inventories? What are the disadvantages of holding inventories?
Inventories are necessary in the management of stock within the company. It enables a
company to monitor its movements as well as ensure they have the optimal inventory
levels at all times, i.e. not too much to increase the holding costs expense, or too small to
increase the ordering cots expenses. Inventories also enable the company to know its
optimal capacities, and its re-order levels.
1. Thermostats are subjected to rigorous testing before they are shipped to air
conditioning technicians around the world. Results from the last five samples are
shown in the table. Draw and R Chart and an x-bar chart. Based on the charts, is the
process under control? (20 Points)
Sample 1 2 3 4 5
1 73.5 70.8 72.2 73.6 71.0
2 71.3 71.0 73.1 72.7 72.2
3 70.0 72.6 71.9 72.4 73.3
4 71.1 70.6 70.3 74.2 73.6

Sign up to view the full document!

lock_open Sign Up
Surname 3
5 70.8 70.7 70.7 73.5 71.1
Answer 1: the process of evaluation of the charts is under control because according to
the results, all the parameters are within the measurable length in the sense that all of
them are above 70, and not far above 74. This means that they are in optimal conditions.
2. A professor records the number of students who complain each week throughout the
semester. If the class size is forty students, what are 3-sigma control limits for this class?
Construct a control p-chart and interpret the data. Is the process in control? (20 points)
1 5
2 2
3 7
4 1
5 3
6 2
7 8
8 1
9 3
10 5
11 4
12 6
13 3
14 1
15 4

Sign up to view the full document!

lock_open Sign Up
User generated content is uploaded by users for the purposes of learning and should be used following Studypool's honor code & terms of service.

Just what I needed…Fantastic!