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business
production and operations management
Production And Operations Management 5th Edition S N CHARY - Solutions
What are the drawbacks of ‘service level’ concepts in maintaining Buffer Stocks of inventory?
EOQ concept optimizes the relevant costs of inventory. Then, why is it often found to be lacking in validity in practice?
How does MRP propose to surmount the above two drawbacks?
‘Safety Stock and EOQ concepts are inimical to the MRP System’. Discuss.
‘Installing MRP system tends to bring in an integration of the Materials Management, Production Management and other functions in the organisation’. Discuss the preceding statement.
What are the ‘independent demand’ items? Give examples. Do spare parts belong to the‘independent demand’ category?
Is the ‘when?’ question more important than ‘how much?’ in Materials Management? If so, why?
What is the role of MIS in the successful implementation of MRP?
Stick-fast Adhesives Ltd. makes adhesive plasters, cellophane tapes, plastic-coated adhesive tapes, etc. all of which need the basic ingredients of special rubber (Code: RB 342)and a resin (Code: RS 108) in addition to various other ingredients. The requirements as per the formula are as
Does ERP implementation require organisational preparation? Discuss.
What is Internet connectivity? Whether and how is it important in today’s business world?
What are the implications of B2B and B2C on Production and Operations Management?
List the socio-economic conditions necessary for B2B and B2C to flourish. Explain your response.
How does codification help in standardisation? Explain.
When would the ‘decimal code’ as illustrated below be useful?520.2 520.21 520.214
Is there a difference between Standardisation and Variety Reduction? Discuss.
What are the merits of codification, in general?
How would you go about installing a new computerised codification system in an organisation? Discuss the steps involved, problems anticipated, if any, and your proposals to overcome these problems.
A company is deciding on suitable materials handling equipment for loading and unloading heavy cases. The cases are presently spread or dumped in an irregular manner on the floor. If the alternative handling equipments under consideration are: (a) Mobile Jib Crane,(b) Forklift, and (c) Overhead
How do codification and standardisation help reduce inventories? Suppose an item is kept in inventory under two separate names. Explain on that basis.
Explain the importance of good preservation, packing and marking of the materials.
You are asked by your superior to ‘look after the problem of scrap’. What will your actions be?
Discuss the importance of documentation in Stores Management.
What are the merits and demerits of an analytical method for the choice of location of a warehouse to serve the customers in a region?
For the decision to establish a warehouse or a number of warehouses, what are the relevant costs? What are the tangible and intangible costs?
What is a Transportation Problem? How is it different from the Warehouse Location Problem discussed in this chapter?
How would you go about optimally locating a given number of warehouses with given capacities to serve the customers whose demands are known? (The transportation costs per unit tonne-km are known.)
Compare the Transportation Problem with the Linear Programming Problem.
In scheduling the routes of transportation vehicles, why is a flower-petal contour for the route preferred?
What other methods of scheduling routes are available in the Operations Research literature?
What is the scope of Logistics Management?
What is the justification, if any, for including Inventory Control in Logistics Management?
In your opinion, what should be the objective of the Logistics Department?
How are purchasing and sales decisions influenced by logistics decisions?
If in the Transportation Problem the total capacity or availability with the warehouses does not match with the total requirements of the customers to be served, how would you go about formulating the Transportation Problem?Customers W, X, Y and Z are to be served by warehouses A, B and C. The
In Question 12, if we reverse the availabilities for the requirements and vice versa, so that W, X, Y and Z represent the warehouses and A, B and C represent the customers, (the cost matrix remaining the same) how would your approach differ? Solve the problem.
Solve the vehicle routing problem given in the chapter with the following constraint in addition to the constraint given in the chapter. The new constraint is regarding the loading capacity of the vehicle, which is limited to 10 tonnes. The material required by different customers is as given
Three plants are supplying cement to 4 regional warehouses. The availabilities at the plants are respectively 2, 3 and 4 units, the requirements of the warehouses are 1, 4, 2 and 2 respectively. The cement could be moved from one factory to another, but it is not possible to do so between the
A warehouse caters to the needs of 3 customers. The tonnages catered to the 3 customers are 1000, 2000 and 2500 respectively. The customers are located at (2, 0) (7, 0) and (0, 5).Find the optimal location for the warehouse.
In the future when B2B and B2C e-commerce may be the predominant modes of conducting business, how should Physical Distribution Management (PDM) function have modified itself? What is your vision for the PDM function? Explain your answer.
A supplier has three customers. Deliveries are made daily. The point-to-point travel time is 1 hour each and the time to load/unload at each point is ½ hour. There is one truck and there are three drivers who can report to work only at the supplier’s point and can disembark at supplier’s point
Study any transport company’s operations. Present an actionable report on the service quality of that company.
Is supply chain management a philosophy? Discuss.
What have the recent technological developments got to do with supply chain management? Discuss.
Describe the use of information technology in supply chains.
If a supply chain is a multi-tiered system, where should the chain stop?
Discuss the similarities and dissimilarities, if any, between Japanese Keiretsu and supply chains.
How does a supply chain make any company more competitive?
What are the comparative advantages of India? How are those useful in building supply chains with international partners?
Referring to Question 7, how are those comparative advantages likely to shift in the shortrun and/or long-run? Discuss.
Discuss the concept of ‘core competence’ in relation to the supply chains. What if the core competence of a member company in a supply chain were to change after some time?
Are there risks in sharing information with other business partners? What are the safeguards for the same in the supply chains?
Can the principles of supply chain be applied within an organisation? How? Discuss.
Do you see similarities between the concepts and practice of Just-In-Time (JIT) system and that of supply chain management? Can JIT be applied in supply chain management?Give examples.
Can the designing of a product be outsourced? Discuss.
Are there any demerits of relationship-orientation in business? Certain countries are said to have too much of relationship-orientation. Is it an advantage or a disadvantage?Discuss.
In selecting suppliers, other than the criterion of price what should a company look for?
In this chapter, in the context of supply chains a purchasing manager is described as a coach. What is the significance of the word ‘coach’? Discuss.
How can the services sector use the principles of supply chain management? Can there be supply chains in the service industry? Discuss.
Have the objectives of production and operations management changed over the years?Is supply chain management just another short-lived management fad? Discuss.ASSIGNMENT QUESTION
Visit ancillary industries of a large organization. What is their operational relationship with the parent organization ? Present a management report including your recommendations for operational improvements.
Can every purchase be called as ‘outsourcing’? Discuss.
“Outsourcing is more relevant to a manufacturing industry than to a service industry.” Do you agree with this statement? Discuss your response.
Explain the concept of ‘contract manufacturing’.
Explain the concept of ‘transformational outsourcing’.
How can outsourcing help a start-up company? Discuss.
When should a firm outsource? Explain.
Is there a difference between a BPO and a KPO? Discuss.
“Many of the activities of the HR function of an organisation can be outsourced.” Do you agree with this statement? Explain your response.
How could the ‘demand management’ aspects of a firm’s operations be outsourced? Explain.
Why can India be a good place for ‘contract research’? Explain.
Design and R&D are generally vital functions in an organisation. Can these be outsourced? Under what circumstances? Discuss.
What are the special concerns while outsourcing for the following industries? (a) Banking(b) Healthcare (c) Media (d) Airlines
Explain the phenomenon of ‘offshoring’ in the context of ‘global supply chains’.
With the rapid growth of outsourcing, what are the challenges before World Trade Organisation (WTO)? Discuss.ASSIGNMENT QUESTION
Study any BPO of your choice and observe its peculiar operational problems. Recommend improvements in its operations.
How does a good plant layout help to improve productivity?
Can the plant layout principles be applied to forming a layout of an office? What criteria would you use in designing such a layout?
What is the effect of technology on physical layout? Discuss for manufacturing and service service situations.
What are the merits and limitations of CRAFT? What modifications do you suggest?
How would you use a Nearness Diagram for the layout design? How is it different from the Load Summary in its concept and its use?
Relate Ergonomics with plant layout.
Where would one make use of the concept of Group Technology?
What is a Flexible Manufacturing System? How is it related to the layout of physical facilities?
Does a production scheduling system have any bearing on the plant layout decision? If yes, how?
PQR Manufacturing Works makes the following products:Product Monthly Volume of Production, Units P 140 Q 50 R 175 S 115 Product Monthly Volume of Production, Units T 75 U 100 V 90 There are six departments A, B, C, D, E and F in the plant. Each department performs a single type of operation. Before
Nagda Agri-Products is planning to set up a regional warehouse in north-eastern Maharashtra. M/s Shivajirao & Co., M/s. Patil Farms, M/s. Aras & Brothers, and M/s. Jambhekar & Co. are its main clients in that area. The business volume with the above four is roughly in the ratio of 5:4:3:2. The
Study and suggest improvements in the layout of facilities in your educational institution(or your office/work–place). Present a report.
How could Cellular Manufacturing be of strategic value to an organisation? Discuss.
Would the formation in cells lead to a duplication of machines and, therefore, a larger investment in machines? Discuss.
What are the disadvantages of a Line Layout that one should avoid in Cellular Manufacturing? How would one do that? Explain.
What human relations problems, if any, would you expect in a cellular manufacturing situation? Explain.
How is management control different in a Cellular Manufacturing situation as opposed to the traditional situation of a process and/or a line layout? Discuss.
In addition to the grouping of machines and/or components, what other aspects need be considered while designing a cell? Explain.
Is Cellular Manufacturing because of its departure from a process layout, inimical to new product design? Group technology is an attempt to discover uniformity in diversity.Whereas a new product design is about offering to the customers something out of the ordinary. Discuss.
Refer to the modular concept in Product Design. How is the concept of modularity important in Cellular Manufacturing? Discuss.
How could a cell design problem be expressed in a Linear Programming format? What is the objective? What are the variables? What are the constraints? Explain.
Refer to Just-in-Time (JIT) manufacturing system which is presented in Section VI. What could be the Group Technology applications, if any, in JIT? Discuss.11 How do ‘spatial’ relationships such as the Facilities Layout influence other relationships within and outside the organisation? Discuss.
‘Group Technology as applied to a production/operations system is a human relations technology.’ Would you agree with this statement? Discuss.
Reflect on various areas in which Group Technology could be used productively. Mention those areas. Discuss.
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