15. How would you show your understanding of the term system perspective? BTL 3

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1 Year and Semester FIRST YEAR II SEMESTER (EVEN) Subject Code and Name BA7201 OPERATIONS MANAGEMENT Faculty Name 1) Mrs.L.SUJATHA ASST.PROF (S.G) 2) Mr. K.GURU ASST.PROF (OG) Q.No Unit I Part A BT Level 1. Define Operations strategy. BTL 1 2. Can you explain what is meant by control decision? BTL 2 3. List the major components of a production system. BTL 3 4. What are the elements of operation management? BTL 4 5. Discuss the concept of competitive priorities. BTL 5 6. Interpret the bottleneck in operations management. BTL 6 7. What is production system? BTL 1 8. What facts show the historical development in operation management? BTL 2 9. Identify the importance of production system. BTL What is the nature of operation management? BTL Define the concept of a value chain. BTL Interpret the transformation process in operation management. BTL Define the term production sharing. BTL Compare service and goods. BTL2 15. How would you show your understanding of the term system perspective? BTL What is the theme of Supply chain management? BTL What are current priorities? BTL Can you explain production function? BTL What is Operations Management? BTL What is lean production? BTL 1

2 Unit I Part B 1. How would you explain the historical development of operations management? BTL 1 2. Discuss in detail about supply chain management. BTL 2 3. How would you show your understanding on the characteristics of modern production and operation function? BTL 3 4. Can you list the four different basic types of manufacturing process? BTL 4 5. What evidence can you find for the role of operations in strategic management? BTL 5 6. Evaluate the issues in operations strategy. Also explain the process of operations in strategy formulation. BTL 6 7. How would you describe the characteristics of modern operation system? BTL 1 8. With illustration from India and international context enumerate the recent trends in production and operations management. 9. A) Explain the various elements for adopting operation strategy in an manufacturing firm. B) Can you make a distinction between services and goods? 10. Define production system. Explain how the concept of production system helps in understanding of production and operations management. BTL 2 BTL 3 BTL 4 BTL 1 Unit I Part C 1. The XYZ Co. operates an assembly line for electric refrigerators with eight stations. The line has been set up for a daily output of 240 for one 8 hour shift. (i) (ii) (iii) What is the allowed maximum cycle time per work station for this assembly line? What is the efficiency of the third work station responsible for a set of tasks requiring 1.5 minutes? What will be the effect on the allowed maximum cycle time per work station if the output rate is increased to 360 units /day? 2. Assume you are running a Detergent manufacturing company. Design a supply chain network for effective distribution of Detergents in the markets. 3. How would you show the transformation process of an MBA institution, which is purely a service organization? 4. Can you develop an appropriate manufacturing strategy in any organization which involves a sequential and structured set of activities?

3 Q.N o Unit II PART A BT Level 1. Define capacity requirement planning. BTL 1 2. Compare mean absolute deviation (MAD) and mean squared error (MSE). BTL 2 3. How would you use tracking signal in forecasting? BTL 3 4. What is the theme of Bill of materials? BTL 4 5. Can you elaborate on the reason why forecast is needed? BTL 5 6. How could you justify capacity utilization? BTL 6 7. Define aggregate planning. BTL 1 8. Differentiate material requirement planning with enterprise resource planning. BTL 2 9. A) Identify the different facility location models. B) What is the theme of Delphi technique? BTL What is a base stock system? BTL Define the unit load concept. BTL What can you say about demand forecasting? BTL How would you use planning tools and techniques? BTL What is the theme of cellular layout? BTL Can you explain FMS? BTL What is your opinion of operations planning? BTL Define MRP II. BTL Compare MRP I and MRP II. BTL A) Can you make use of fixed position layout? BTL 3 B) What are the inputs of MRP system? 20. What is facility location? BTL 1 Unit II PART B 1. How would you show the evolution of ERP from MRP? BTL 1 2. What can you say about MRPII? BTL 2 3. A) How would you explain the types of capacity? B) Alpha company has the following sales pattern. Compute the sales forecast for the year 10. BTL 1 BTL3 &4

4 Year Sales lakhs in A) How would you use the different alternatives for capacity development? B) How would you classify the facility layout? 5. A) A steel plant has a design capacity of 50,000 tons of steel per day, effective capacity of 40,000 tons of steel per day an actual output of 36,000 tons of steel per day. Compute the efficiency of the plant and its utilization. B) How would you explain the problems in implementing ERP? BTL3 BTL5 BTL6 6. How would you describe the capacity requirement planning with example? BTL1 7. Can you explain what MRP is? BTL2 8. A) How would you explain the need, objectives, types and steps in demand forecasting? B) A company has to decide on the location of a new plant. It has narrowed down the choice to 3 locations A,B and C data in respect of which is furnished below: Data Locations A(rupees) B(rupees) C(rupees) Wages and Salaries 20,000 20,000 20,000 Power and Water Supply Expenses 20,000 30,000 25,000 Raw materials and other supplies 80,000 75,000 60,000 Total initial investment 2,00,000 3,00,000 2,50,000 Distribution expenses 50,000 40,000 60,000 Miscellaneous expenses 40,000 25,000 30,000 Expected sales per year 2,25,000 2,50,000 2,25,000 Use a suitable criterion and advise the company on the best choice. 9. A) Past data about the load on the stamping center are as follows: Month Load, Machine hours May June July August September October November i) Find the exponential smoothing forecast for the month of December Take (a=0.33) ii) Compare your answer with five months moving average forecast. B) How would you classify the various types of demand forecasting and explain in detail any two qualitative and quantitative methods of demand forecasting? BTL1 BTL3&4 BTL3&

5 10. A) What factors should be considered when selecting the appropriate capacity? How does the choice of capacity relate to other decision in operation management and to other functional areas? B) Can you assess the principles and techniques of facility layout? BTL 5 BTL 6 Unit II Part C 1 A TV assemble unit has 5 work stations whose individual capacities per shift are given below. The capacity of the assembly line is 350 TV s per day of single shift. Calculate the system capacity and system efficiency? 2 During which type of situations do you decide to improve or modify the existing layout? 3 A department works on 8 hours shift, 250 days a year and has the usage data of a machine as given below: Product Annual demand (Units) Processing time (Standard time in hours) X Y Z Determine the number of machines required. 4 Arun Exports limited is a major garment export house based at New Delhi. The sales figures (in 1000 units) of a particular garment during the past 20 weeks are given in table below: WEEK DEMAND (i) (ii) (iii) Calculate the three week moving average22 forecast for the given 20 weeks and also forecast the demand for 21 st week. 26 Calculate the weighted moving average forecast for the given 20 weeks with the weights being W 1 =1, W 2 =2 and W 3 =3. And also forecast the demand for 21 st week. Find the simple exponential smoothing forecast for all the 20 weeks and also forecast the demand for 21 st week. Assume α = 0.2 and F 1 =21.

6 Q.No Unit III Part A BT Level 1. Define productivity. BTL1 2. Differentiate micro motion study with motion study. BTL2 3. Identify the main purpose of motion study. BTL3 4. What is the theme of line balancing? 5. Discuss the concept of aesthetics. BTL5 6. Interpret concept of mass customization with real life examples. BTL6 7. Define work study. BTL1 8. What is meant by work measurement? BTL2 9. List some of the influencing factors for designing a new product. BTL3 10. What conclusion can you draw from flow process chart? BTL Discuss the concept of partial productivity. BTL Interpret the criterion for Make or Buy decision. BTL6 13. Define method study. BTL1 14. Compare method study and work measurement. BTL2 15. How would you show your understanding of the term product design? BTL3 16. How would you categorize the methods to improve productivity for training? 17. What do you mean by simultaneous engineering? BTL1 18. Compare agglomerative and deglomerative factors. BTL2 19. What is SIMO chart? BTL1 20. What are therbligs? BTL1 Unit III Part B 1. How would you explain process planning? Distinguish between Standardization and Simplification. BTL1 2. Demonstrate the process selection with a suitable example. BTL2 3. What facts would you select to show the legal, ethical and environmental issues in product design? BTL3 4. Examine the various approaches and influencing factors in deciding the product design. 5. What conclusions can you draw from the work measurement in industrial settings? Also explain the process of work measurement. BTL5

7 6. How would you evaluate the steps in developing a new product. What are the key differences between a prototype and a production design? BTL6 7. Define productivity and discuss the methods to improve productivity. BTL1 8. Can you explain the relationship between Method Study and Time study? BTL2 9. A) How would you show your understanding of Inter relationship of process design and product design? B) Can you make a distinction between the methods of time study to the method of work sampling? BTL3 10. How would you explain the different techniques of work study? BTL1 Unit III Part C 1. A component is to be processed on two machines lathe and milling machine. The sequence of operation is first turning and then milling. Machine Times: Turning: 12 minutes Milling: 20 minutes (i) (ii) Estimate the number of machines required to machine 2500 components per week if available machine hours per week are 48. What are the steps that you propose to reduce number of machines? 2. Prepare a flow process chart for the following activity: A hospital admission procedure for surgery. 3. An industrial engineer, deputed to conduct a time study for a job, has, after observation, divided the job into 5 elements. He had noted the timings for four cycles of the job as below: (i) (ii) Are there any outliers in the data i.e. probable errors in reading or recording data which should not be included in the analysis? Compute the basic time for the job and the standard time if a relaxation allowance of 12%, a contingency allowance of 3% and an incentive of 20% are applicable for the job. 4. A work study practitioner who conducted a work sampling study assesses the activity level of a worker to be 70%. During the space of 8 hours working, this worker turns out 320 components. If the company policy is to inflate the normal time arrived at by work sampling study by 20% what should be the allowed per unit?

8 Q.No UNIT IV PART A BT Level 1. Define Just In Time and also explain the objectives of JIT. BTL1 2. Explain the purpose of studying materials management. BTL2 3. How would you use VED analysis? BTL3 4. Can you list the three vendor rating techniques? 5. What are the reasons for stocking items in Inventory? BTL5 6. Explain material planning. BTL6 7. How would you explain KANBAN in JIT? BTL1 8. What can you say about vendor/performance rating? BTL2 9. How would you apply the steps in lean manufacturing? BTL3 10. Why do you think JIT is needed in manufacturing? 11. What are all the components of Inventory Carrying Cost? BTL5 12. What is your opinion of cyclegraph and chronocyclegraph? BTL6 13. How would you explain centralized buying? BTL1 14. Explain materials management manual. BTL2 15. How would you use FSN analysis? BTL3 16. What is the relationship between the push and pull methods of material flow? 17. Define the term Re order point. BTL1 18. What is meant by ABC analysis? BTL2 19. Define value analysis. BTL1 20. Define Rating and explain the different type of allowances. BTL1 UNIT IV PART B 1. How would you explain inventory control techniques? BTL1 2. Can you explain the principles and factors affecting layout of stores? What are the various records used in stores? BTL2 3. How would you use objectives of integrated materials management? BTL3 4. What conclusions can you draw from selective inventory control? 5. What are the objectives, functions and policies of purchasing? BTL5

9 6. How could you determine waste in production and what are the characteristics, basic elements, benefits & limitations of JIT? 7. How would you describe the steps involved in value analysis? What are the criteria used for selection of vendors? 8. How would you explain materials management information systems (MMIS)? Also explain the functions of MMIS. BTL6 BTL1 BTL2 9. A) What facts would you select to show the different motives for holding the inventories and also explain the cost associated with inventories? B) Can you list and explain the various selective inventory control techniques? BTL3 10. Can you explain the vendor rating techniques? BTL1 UNIT IV PART C 1. As a purchase manager of an X company, what factors do you consider to evaluate the vendors? 2. When a company has to apply value analysis and how to apply it? 3. Assume you are a storekeeper of a textile unit. What are your roles and responsibilities? 4. i) Ashish keeps his inventory in special containers. Each container occupies 10 square feet of store space. Only 5,000 square feet of the storage space is a vailable. The annual demand for the inventory item is 9,000 containers, priced at rupees 8 per container. The ordering cost is estimated at rupees 40 per order and the annual carrying costs amount to 25% of the inventory value. Would you recommend to Ashish to increase his storage space? If so, how much should be the increase? ii) A Company uses annually 12,000 units of raw material costing rupees 1.25 per unit. Placing each order costs rupee 15 and the carrying cost 15% per year per unit of the average inventory, find the economic order quantity.

10 Q.No UNIT V PART A BT Level 1. Define project and project management. BTL1 2. How would you compare forward scheduling and backward scheduling? BTL2 3. What facts would you select to show the purpose of PERT? BTL3 4. What are the objectives of project management? 5. How will you estimate expected time in PERT network? BTL5 6. Can you assess the tasks that project team must perform before the project begins? BTL6 7. Define PERT. BTL1 8. Distinguish PERT and CPM. (or) List the differences between CPM and PERT techniques. BTL2 9. How would you use Gannt chart? BTL3 10. What inference can you make from the assumptions of flow shop scheduling? 11. What facts can you compile for the nature of scheduling? BTL5 12. How would you determine the scheduling function of a production system? BTL6 13. Define Shop floor control. BTL1 14. What can you say about free float, independent float and total float? BTL2 15. What approach would you use to show routing? BTL3 16. Can you list the ways of scheduling work centers? 17. Define Johnson s rule. BTL1 18. What is the main idea of Slack? BTL2 19. What is load leveling? BTL1 20. What is critical path method (CPM)? BTL1 UNIT V PART B 1. How do you explain PERT and CPM? State the differences between PERT and CPM? 2. Can you explain the heuristic sequencing rules for scheduling production with examples? BTL1 BTL2 3. What ways would you use to explain personnel scheduling in services? BTL3

11 4. In a factory, there are six jobs to perform, each of which should go through two machines A and B, in the order AB. The processing timing (in hours) for the jobs is given here. You are required to determine the sequence for performing the jobs that would minimize the total elapsed time, T. What is the value of T? BTL 4 Jobs Machine A Machine B Can you construct the project management process? BTL5 6. How would you determine the different scheduling techniques in project management? 7. What do you mean by priority rules for job sequencing? What are the objectives of sequencing? BTL6 BTL1 8. Explain the steps in PERT planning process. BTL2 9. A) Five jobs are to be completed on first, second and third machine in that order. Find the sequence of the jobs that minimizes the total elapsed time to complete the jobs. Jobs Machine 1 Machine 2 Machine B) How would you classify the different types of Gantt Chart 10. How can you explain the following terms BTL3 BTL1 (i) Active schedule (ii) Semi active schedule (iii) Non delay schedule and (iv) Gantt chart.

12 UNIT V PART C 1. Horizontal bar charts and other charting techniques offers operation managers macro control of projects, whereas CPM and PERT offers micro control. Explain. 2. Repair work on a flood control dam will require completion of the activities indicated by the network. Optimistic, most likely and pessimistic estimates (a, m, b) for activity duration (in weeks) due to weather uncertainty are shown along the activity arrows. (i) Prepare a table showing for each activity early and late start and finish times and total float. (ii) Determine the critical path for the project. (iii) Calculate the probability that the flood control dam will be ready not later than 2 week from its expected completion time 3. Consider the tasks, durations, and predecessor relationships in the following network. Draw the network and answer the questions that follow. Activity Immediate Optimistic (Weeks) Most Likely (Weeks) Pessimistic Description Predecessor (Weeks) A B A C A D B E D,C F C G F H F I E,G,H J I (i) What is the variance for activity B? (ii) Based on the calculation of estimated times, what is the critical path? (iii) What is the estimated time of the critical path? (iv) What is the probability of completion of the project before week 42? 4.A small project consists of seven activities for which the relevant data are given below: Activity Preceding Activity Duration Activity (Days) A 4 B A 7 C 6 D C 5 E B 7 F D,E 6 G F 5 i) Draw the network and find the project completion time. ii) Calculate total float for each activity.

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