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Mb0046 Solved Assignment Winter 2013

 

MBA (OPERATIONS MANAGEMENT)SEMESTER 3OM 0013

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ADVANCED PRODUCTION -4 CREDITS(BOOK ID B1235)ASSIGNMENT - 60 MARKS

Note: Answer all questions. Kindly note that answers for 10 marks questions should beapproximately of 400 words. Each question is followed by evaluation scheme.

Q1. What is Flexible Manufacturing System (FMS)? How does it help in improving the manufacturingprocess? (Definition of FMS - 1 mark; Characteristics- 2 marks; Explanation of system designed to producecomponents

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3 marks; How there is flexibility in the manufacturing process

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2 marks; Components of FMS

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2 marks) 10 marksAnswer.Definition of FMS

- A system that consists of numerous programmable machine tools connected by an automated

material handling system”.

A flexible manufacturing system (FMS) gives manufacturing firms an advantage in aquickly changing manufacturing environment.

Characteristics of FMS

- There are following characteristics of FMS as:

It is an attempt to solve production problems of mid-volume and mid-variety parts.

It is designed to process several parts in the given mix simultaneously.

It is equipped with sophisticated flexible machine tools

Faster, lower-cost changes from one part to another which will improve capital utilization

Lower direct labor cost, due to the reduction in number of workers.

Reduced inventory, due to the planning and programming precision

Explanation of system designed to produce components

- A Flexible Manufacturing System is one that can bechanged or adapted rapidly to manufacture different products or components at different volumes of production.Flexible manufacturing systems are usually seen at their most efficient when manufacturing components rather thanfinished products.Machine Flexibility: When machines are used to manufacture a variety of products/components this is called

‘machine flexibility’. A good example is a company that

specializes in manufacturing injection molded components.The component design may change very quickly but as long as the mould is updated / modified the injection moldingmachine can still operate. Computers monitor the supply of materials; monitor the operating temperatures and qualitycontrol. Machines of this nature are adaptable and are ideal for FMS.

Flexibility in the manufacturing process

- Flexible manufacturing systems are being designed with other type of  processing equipments including inspection stations, assembly works and sheet metal presses. Increasingmanufacturing flexibility is a key strategy for efficiently improving market responsiveness in the face of uncertainfuture product demand.

Components of FMS

1. Workstations:

In present day application these workstations are typically computer numerical control (CNC)machine tools that perform machining operation on families of parts. The various workstations are

Machining centers

Load and unload stations

Assembly work stations

Sheet metal processing, etc.

 

Spring 2013

Master of Business Administration- MBA Semester 1MB0048

Operations Research- 4 Credits(Book ID: B1631) Assignment Set - 1 (60 Marks)

Note: Assignment Set -1 must be written within 6-8 pages. Answer all questions.Q1.

Explain the scope of Operations Research. What are the features of OperationsResearch?

10 marks

Q2.

Six Operators are to be assigned to five jobs with the cost of assignment in Rs. givenin the matrix below. Determine the optimal assignment. Which operator will have noassignment?

Operators

Jobs

1

2

3

4

5

1

6 2 5 2 6

2

2 5 8 7 7

3

7 8 6 9 8

4

6 2 3 4 5

5

9 3 8 9 7

6

4 7 4 6 8

10 marks

Q3.

a. Explain the Monte Carlo Simulation. b. A Company produces 150 cars. But the production rate varies with the distribution.

Production Rate

147 148 149 150 151 152 153

Probability

0.05 0.10 0.15 0.20 0.30 0.15 0.05At present the track will hold 150 cars. Using the following random numbersdetermine the average number of cars waiting for shipment in the company andaverage number of empty space in the truck. Random Numbers 82, 54, 50, 96, 85,34, 30, 02, 64, 47.

5 +5 = 10marks(200 - 250words each)

Q4.

Explain the Characteristics and Constituents of a Queuing System.

10 marks(300 - 350wordseach)

Research?

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