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IMT-15: Production & Operation Management-MT3

IMT-15: Production & Operation Management-MT3

 

PART - A

Q1: What is operations strategy? What is the role of operations strategy in a business enterprise engaged in manufacturing of innovative products? How are operations strategies developed?

Q2: Major Jasbir Singh after taking voluntary retirement from Army has started a Car Rental Business. His company serves the Corporates and Business houses in Delhi NCR region. List and describe buying cycle, conversion cycle and selling cycle processes of a car rental business?

Q3: Himalayan Adventure Rafting Company has decided to produce rubber rafts due to Quality and Availability problem in India. Details of manufacturing processes available are as follows:

Process A: Company can produce rafts at an estimated investment in semi-automatic Plant and Machinery of Rs. 5, 00,000. Labor & material cost is approximately Rs.1250 per raft.

Process B: Rafts can be produced on fully automated Plant and Machinery at an investment of Rs.25, 00,000 that would reduce the variable cost of manufacturing to Rs. 500 per raft.

Rubber raft can be sold at a price of Rs. 2500 per raft. Compare the two manufacturing processes utilizing Break Even Analysis Technique. For what volume of demand should each process be chosen?

Q4: Nanotech Electronics Ltd. manufacturing flash drives has decided to diversify in to manufacturing of DVD Players. CMD has given 12 months' time to plant for product development and commercial production to meet forecasted demand of year 2010. Describe the process to be followed for product design and development of the new business. Explain the technique to get the voice of customer in to the design specification of the product.

Q5: What are the benefits of developing an aggregate plan, from the perspective of operations management, marketing, finance and human resources management? Describe the inputs required and output generated from the aggregate production plan.

 

PART - B

 

Q1: Blessings Electronics Ltd is in the business of manufacturing and trading electronic memory modules. Product is made to stock and sold as per the market demand. Annual demand rate for MC1 product model used in cameras is 12000 units. One unit of the product costs $ 10 and inventory holding cost rate is 24% / year. Setting up to produce a batch of products requires changeover of equipment which takes 4 hour. The cost of equipment down time and labor is $ 100/hr. Determine for this product case:

a. Economic Order Quantity

b. Total inventory costs

c. Total annual cost to the business

Q2: Twenty samples of n=200 were taken by an operator at a workstation in a production process. The number of defective items in each sample were recorded as follows:

 

Sample

Number of Defectives

P

Sample

Number of Defectives

P

1

12

0.060

11

16

0.080

2

18

0.090

12

14

0.070

3

10

0.050

13

12

0.060

4

14

0.070

14

16

0.080

5

16

0.080

15

18

0.090

6

19

0.095

16

20

0.100

7

17

0.085

17

18

0.090

8

12

0.060

18

20

0.100

9

11

0.055

19

21

0.105

10

14

0.070

20

22

0.110

Management wants to develop a p chart using 3 sigma limits. Set up the p-chart and plot the observations to determine if the process was out of control at any point.

Q3 a): "If line employees are required to assume the quality control function, their productivity will decrease." Express your views on this.

 

Q3b): Why must JIT have a stable schedule and partnering with Vendors?

 

Q4a): What are the three types of demand behavior while forecasting demand? Draw each type of demand behavior curve with time.

Q4b):A manufacturing company has monthly demand for one of its products as follows

 

MONTH

DEMAND

February

520

March

490

April

550

May

580

June

600

July

420

August

510

September

610

Develop a three-period moving average forecast and a three-period weighted moving average forecast with weights of 0.50, 0.30, and 0.20 for the most recent demand values, in that order. Calculate MAD (Mean Absolute Deviation) for each forecast, and indicate which would seem to be most accurate.

Q5: Rainbow Automobiles Ltd. want to start their manufacturing unit outside India for manufacturing of Low price model of their newly designed car for the Global Market. This model of car has done well in India. They have short listed three locations; these are Nepal, Singapore and Taiwan. Utilizing the Factor Rating Analysis Method determine and propose the location of new Plant. Support your answer with the facts.

PART- C

Q1: Business writer Tom Peters has suggested that in making process changes, we should "Try it, test it, and get on with it". How this philosophy signifies with the continuous improvement philosophy in Production and Operations Management?

Q2: Explain the difference between the following:

(a) DMAIC cycle & PDCA cycle

(b) Short range and long range forecasts

(c) TPM and MRO in maintenance management

Q3.   How can firms compete operationally? Describe the concepts of competitive priorities, competitive capabilities, order winners, and order qualifiers.

Q4: Tasks A, B,C,....... , H, I constitute a project. The precedence relationships are

A < D; A < E; B < F; D < F; C < G; C < H; F < I; G < I.

Draw a network to represent the project and find the minimum time of completion of the project when time, in days, of each task is as follows:

Task:          ABCDEFGHI

Time:                    8       10        8     10        16        17        18        14        9

Also identify the critical path.

Q5: Write short notes on any three of the following:

a. Dimensions of Quality

b. Line Balancing

c. Use of ERP in Material Requirement Planning


CASE STUDY -I

 

Select a manufacturing or a service providing organization, visit and study the processes involved in manufacturing of products or developing services. Prepare a report covering following scope in person:

 

(a)   Type of layout of the facility and its sketch

(b)   Input and output at each stage of process

(c)   Value addition at each stage

(d)   Cycle time of production process

(e)   Scope of productivity improvement

 

CASE STUDY-II

Plan and visit a departmental store or a reputed restaurant or a corporate bank and perform a quick service delivery study / audit, thinking like a customer. Prepare a report covering following scope in person:

(a)   Desired features of the service delivery important for customer satisfaction.

(b)   List the attributes which will make it unique & create differential advantage

(c)   Evaluate the three T's of service on a scale of 1 (poor) to 5 (excellent): The task The treatment The tangible features of service

Tangible features to include the environment, layout and appearance of the facility and not the goods you purchased or service you enjoyed.

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