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Code No: R05420303 R05 Set No. 2

IV B.Tech II Semester Examinations,APRIL 2011

PRODUCTION PLANNING AND CONTROL

Common to Mechanical Engineering, Mechatronics

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. Explain the following inputs of MRP system:

(a) Master production schedule

(b) Bill of Material(c) The inventory records file. [16]

2. Derive the Wilson EOQ formula. What are the practical limitations of the EOQformula. [16]

3. Discuss the various costs involved in Aggregate production planning. [16]

4. What are the effects of PPC? Explain them in detail. [16]

5. When do you prefer decentralized dispatching to centralized dispatching? Explaintheir features. [16]

6. Job orders with the characteristics indicated by the following data are received ata work station:

Order number Due date Date and Operation Hours RemainingDue date time received time, operations

1 May 1 Apr 18, 9 AM 6 32 Apr 20 Apr 21, 10 AM 3 13 Jun 1 Apr 19, 5 PM 7 24 Jun 15 Apr 21, 3 PM 9 45 May 15 Apr 20, 5 PM 4 5

6 May 20 Apr 21, 5 PM 8 7

(a) In what sequence should the orders be processed at the work station if thepriority dispatch decision rule is

i. First come first served

ii. Shortest processing time first

iii. Least slack

iv. Earlier due date first

v. Least slack/remaining number of operations first.

(b) Which decision rule do you prefer? Why? [16]7. (a) Explain Exponential smoothing method of forecasting.

(b) Give your observations pertainingto the exponential smoothing constant().[16]

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Code No: R05420303 R05 Set No. 2

8. Distinguish between single level bill of materials and indented bill of materials, withan example for each type. [16]

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Code No: R05420303 R05 Set No. 4

IV B.Tech II Semester Examinations,APRIL 2011

PRODUCTION PLANNING AND CONTROL

Common to Mechanical Engineering, Mechatronics

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. Explain the following inputs of MRP system:

(a) Master production schedule

(b) Bill of Material(c) The inventory records file. [16]

2. What are the effects of PPC? Explain them in detail. [16]

3. Discuss the various costs involved in Aggregate production planning. [16]

4. Job orders with the characteristics indicated by the following data are received ata work station:

Order number Due date Date and Operation Hours RemainingDue date time received time, operations

1 May 1 Apr 18, 9 AM 6 32 Apr 20 Apr 21, 10 AM 3 13 Jun 1 Apr 19, 5 PM 7 24 Jun 15 Apr 21, 3 PM 9 45 May 15 Apr 20, 5 PM 4 56 May 20 Apr 21, 5 PM 8 7

(a) In what sequence should the orders be processed at the work station if thepriority dispatch decision rule is

i. First come first served

ii. Shortest processing time firstiii. Least slack

iv. Earlier due date first

v. Least slack/remaining number of operations first.

(b) Which decision rule do you prefer? Why? [16]

5. (a) Explain Exponential smoothing method of forecasting.

(b) Give your observations pertainingto the exponential smoothing constant().[16]

6. When do you prefer decentralized dispatching to centralized dispatching? Explain

their features. [16]

7. Derive the Wilson EOQ formula. What are the practical limitations of the EOQformula. [16]

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Code No: R05420303 R05 Set No. 4

8. Distinguish between single level bill of materials and indented bill of materials, withan example for each type. [16]

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Code No: R05420303 R05 Set No. 1

IV B.Tech II Semester Examinations,APRIL 2011

PRODUCTION PLANNING AND CONTROL

Common to Mechanical Engineering, Mechatronics

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. Explain the following inputs of MRP system:

(a) Master production schedule

(b) Bill of Material(c) The inventory records file. [16]

2. Derive the Wilson EOQ formula. What are the practical limitations of the EOQformula. [16]

3. Job orders with the characteristics indicated by the following data are received ata work station:

Order number Due date Date and Operation Hours RemainingDue date time received time, operations

1 May 1 Apr 18, 9 AM 6 3

2 Apr 20 Apr 21, 10 AM 3 13 Jun 1 Apr 19, 5 PM 7 24 Jun 15 Apr 21, 3 PM 9 45 May 15 Apr 20, 5 PM 4 56 May 20 Apr 21, 5 PM 8 7

(a) In what sequence should the orders be processed at the work station if thepriority dispatch decision rule is

i. First come first served

ii. Shortest processing time first

iii. Least slack

iv. Earlier due date first

v. Least slack/remaining number of operations first.

(b) Which decision rule do you prefer? Why? [16]

4. Discuss the various costs involved in Aggregate production planning. [16]

5. When do you prefer decentralized dispatching to centralized dispatching? Explaintheir features. [16]

6. Distinguish between single level bill of materials and indented bill of materials, withan example for each type. [16]

7. (a) Explain Exponential smoothing method of forecasting.

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Code No: R05420303 R05 Set No. 1

(b) Give your observations pertainingto the exponential smoothing constant().[16]

8. What are the effects of PPC? Explain them in detail. [16]

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Code No: R05420303 R05 Set No. 3

IV B.Tech II Semester Examinations,APRIL 2011

PRODUCTION PLANNING AND CONTROL

Common to Mechanical Engineering, Mechatronics

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. Explain the following inputs of MRP system:

(a) Master production schedule

(b) Bill of Material(c) The inventory records file. [16]

2. When do you prefer decentralized dispatching to centralized dispatching? Explaintheir features. [16]

3. What are the effects of PPC? Explain them in detail. [16]

4. Distinguish between single level bill of materials and indented bill of materials, withan example for each type. [16]

5. Job orders with the characteristics indicated by the following data are received ata work station:

Order number Due date Date and Operation Hours RemainingDue date time received time, operations

1 May 1 Apr 18, 9 AM 6 32 Apr 20 Apr 21, 10 AM 3 13 Jun 1 Apr 19, 5 PM 7 24 Jun 15 Apr 21, 3 PM 9 45 May 15 Apr 20, 5 PM 4 56 May 20 Apr 21, 5 PM 8 7

(a) In what sequence should the orders be processed at the work station if thepriority dispatch decision rule is

i. First come first served

ii. Shortest processing time first

iii. Least slack

iv. Earlier due date first

v. Least slack/remaining number of operations first.

(b) Which decision rule do you prefer? Why? [16]

6. Derive the Wilson EOQ formula. What are the practical limitations of the EOQformula. [16]

7. (a) Explain Exponential smoothing method of forecasting.

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Code No: R05420303 R05 Set No. 3

(b) Give your observations pertainingto the exponential smoothing constant().[16]

8. Discuss the various costs involved in Aggregate production planning. [16]

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