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M.B.A. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2010

Second Semester

BA 9221 OPERATIONS MANAGEMENT

(Regulation 2009)

Time : Three hours Maximum : 100 MarksAnswer ALL questions

PART A (10 2 = 20 Marks)

1. What is an operations system?

2. What are the five basic elements of operational excellence?

3. What do you mean by regression and correlation analysis?

4. Write down the functions of master production schedule.

5. What are the attributes to characterize a project organization?

6. Why is break even analysis done in facility location?

7. Define the term 'Backordering'.

8. What are the steps involved in value analysis?

9. Write about cyclegraph and chronocyclegraph.

10. What are the factors that influence product design?

PART B (5 16 = 80 Marks)

11. (a) (i) What are the various functions of operations? How are they linked

to other parts of an organization? (Marks 10)

(ii) Discuss the design issues under which the operations system

function. (Marks 6)

Or

(b) (i) Compare and discuss the cost and flexibility tradeoff in operations

strategy. (Marks 6)

(ii) What are the steps involved in strategic-formulation process? How

does the manufacturing technology provide unique advantages to

organization in providing products and services to customers? (Marks 10)12. (a) (i) Write about the aggregate planning methods, advantages and their

limitations. (Marks 8)

(ii) What are the factors influencing effective capacity and what are all

the factors favoring overcapacity and under capacity? Discuss. (Marks 8)

Or

(b) (i) Alpha company has the following sales pattern compute the sales

forecast for the year 10. (Marks 10)

Year : 1 2 3 4 5 6 7 8 9

Sales (in lakhs) ; 6 8 11 23 29 34 40 45 56

(ii) Explain the demand patterns in forecasting. (Marks 6)

13. (a) (i) 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 min

Milling : 20 min

(1) Estimate the number of machines required to machine 2500

components per week if available machine hours per week

are 48

(2) What are the steps that you propose to reduce number of

machines? (Marks 10)


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(ii) Explain the production aspects of product design. (Marks 6)

Or

(b) (i) Give reasons for excess work content and techniques to reduce it

with examples. (Marks 8)

(ii) What is rating? What are the factors affecting performance rating

of a worker and explain various methods of performance rating. (Marks 8)14. (a) (i) Distinguish between P and Q systems of inventory and what are

the cases that exist in each of the systems. (Marks 8)

(ii) Write about seven wastes in production and what are the basic

elements and benefits of JIT. (Marks 8)

Or

(b) (i) What are the methods used for accounting the issues of stores and

what are the main reasons for accumulation of obsolete, surplus

and scrap items how it can be avoided. (Marks 8)

(ii) What are the levels of management and MIS and what are the

various output reports and limitations of MIS. (Marks 8)

15. (a) (i) Compare PERT and CPM and give some project management

software. (Marks 6)(ii) Explain the material flow system and patterns in facility layout and

give their characteristics. (Marks 10)

Or

(b) (i) There are five existing facilities which are to be served by a single

new facility. The details of the existing facilities are :

Existing facility (i) : 1 2 3 4 5

Coordinates (a b) 5,10 20,5 15,20 30,25 25,5

Number of trips of

Loads/Year (W) 100 300 200 300 100

Find the optimum location of the new facility based on gravity

location concept. (Marks 6)

(ii) What role does the globalization play in the facilities location

problem and give the application areas and inputs of line ofbalance. (Marks 10)


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M.B.A. DEGREE EXAMINATION, JUNE 2010Second Semester

BA 9221 OPERATIONS MANAGEMENT(Regulation 2009)

(Use of normal probabilities permitted)Time : Three hours Maximum : 100

Marks

Answer ALL QuestionsPART A (10 2 = 20 Marks)

1. What do you mean control decisions?2. Define the term Production sharing.

3. What do you understand by Delphi technique?4. What is capacity requirement planning?5. What do you mean by simultaneous engineering?6. What is SIMO chart?7. What do you understand by materials management manual?8. Define the term Re-order point.

9. Mention the objectives of facility layouts.10. What are the tasks that project team must perform before the project begins?

PART B (5 16 = 80 Marks)

11. (a) Explain in detail the various elements of operation strategy.

Or

(b) Define Productions system. Explain how the concept of production system

helps in understanding of production and operations management.

12. (a) The past data about the load on a stamping centre are as follows :

Month Load, Machine hours

May 2009 584

June 2009 610

July 2009 655

August 2009 747

September 2009 862

October 2009 913November 2009 963

(i) Find an exponential smoothing forecast for the month of December

2009. Take ( =0.33).

(ii) Compare your answer with a five month moving average forecast.

Or

(b) (i) Explain the activities involved in long range capacity planning

decision. (8)

(ii) Discuss the information flow for planning and control with MRP. (8)

13. (a) (i) Name and describe the steps in developing a new products. What

are the key differences between a prototype and a production

design? (10)

(ii) Describe the relationship between process design and productdesign. (6)

Or

132 132 132

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(b) (i) Explain the steps in determining Labour standards for time

studies. (10)

(ii) The Tircon Company pays its workers on a 60% gain sharing plan,

with bonus pay beginning at 80% of standard. The standard is


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400 units per 40-hour week. Ramesh whose base pay is Rs. 200 per

hour, produced 430 units last week. Determine

(1) Rameshs gross pay for the week,

(2) Unit labour cost at 60% of the standard and

(3) Rameshs rate of work last week. (6)

14. (a) (i) Explain the activities and the functions of materials and

management. (8)(ii) Discuss briefly vendor rating and value analysis. (8)

Or

(b) (i) Describe the principles of stores layout and various records

used in stores. (8)

(ii) The average demand rate for a particular raw material for a

company is estimated to be 1000 items per month. The distribution

of demand rate is found to be normally distributed with a standard

deviation of 200. The average lead time for the procurement of raw

material has been observed in the past to be approximately

3 months and the normally approximated lead times have a

standard deviation of 1 month. If the service level is to be 95%

determine the required level of safety stock in situation where inboth demand rate and lead time varies. (8)

15. (a) (i) What are the three principles of crashing projects? Discuss. (6)

(ii) Horizontal bar charts and other charting techniques offers

operation managers macro-control of projects, whereas CPM and

PERT offers micro-control. Explain. (10)

Or

(b) (i) Describe how managers may simultaneously consider both

quantitative and qualitative factors in facility location analysis. (10)

(ii) Explain why we balance production lines. Mention the steps in

line balancing. (6)

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