Jawaharlal Nehru Technological University Hyderabad

Jawaharlal Nehru Technological University Hyderabad B.Tech IV PRODUCTION PLANNING AND CONTROL Previous Question Paper (July/August - 2022 - R16)

B.Tech | IV | II | R16 | July/August - 2022

Answer PaperPaper Code: 138GRMaximum Marks: 75Time: 3 Hours

Answer any five questions. All questions carry equal marks.

Main

1

Define production planning. State its objectives. List the information required for production planning.

15 marks

Answer

Production planning is the systematic process of determining the quantity and timing of production activities to meet customer demand while optimizing the utilization of available resources, such as labor, machinery, and materials. It serves as the bridge between long-term strategic planning and short-term operational execution.

The primary objectives of production planning include:

  • Ensuring the availability of raw materials and components to prevent production bottlenecks.
  • Optimizing capacity utilization by balancing machine and labor workloads.
  • Minimizing production costs by reducing idle time, inventory carrying costs, and setup times.
  • Meeting delivery schedules to ensure customer satisfaction and maintain market competitiveness.
  • Facilitating effective coordination between departments like sales, procurement, and manufacturing.

The information required for effective production planning includes:

  • Sales Forecasts: Anticipated demand for products over a specific planning horizon.
  • Bill of Materials (BOM): A comprehensive list of all raw materials, sub-assemblies, and components required to manufacture a finished product.
  • Routing Sheets: Detailed sequences of operations, including the specific machines, tools, and time standards required for each step.
  • Inventory Status: Current stock levels of raw materials, work-in-progress, and finished goods.
  • Capacity Data: Information regarding machine availability, labor hours, and shift schedules.
  • Lead Times: Procurement lead times for materials and manufacturing lead times for internal processes.
  • Production Orders: Specific customer orders or internal stock replenishment requirements.
215 marks
a

Difference between qualitative and quantitative methods of forecasting.

8 marks

Answer

Qualitative and quantitative forecasting methods differ primarily in their reliance on data versus human judgment.

FeatureQualitative MethodsQuantitative Methods
Data BasisBased on subjective opinions, intuition, and expert judgment.Based on historical numerical data and statistical analysis.
ApplicabilityUsed when historical data is scarce or unavailable (e.g., new products).Used when consistent historical data exists and patterns are stable.
TechniquesDelphi method, market research, sales force composite, jury of executive opinion.Time series analysis (moving averages, smoothing) and causal models (regression).
ObjectivityHighly subjective and prone to personal bias.Objective and mathematical, minimizing human bias.
Cost/TimeGenerally faster but can be costly if experts are involved.Can be time-consuming to collect and process data but cost-effective for recurring tasks.
b

Describe ‘Exponential Smoothing Method’ of sales forecasting. State its advantages and limitations.

7 marks

Answer

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315 marks
a

Explain the various functions of inventory management.

7 marks

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b

What is ABC analysis? Explain its significance in the inventory control with suitable example.

8 marks

Answer

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415 marks
a

What is the meaning of Aggregate plan? What are the objectives of aggregate plans? What are the inputs and the nature of the outputs?

7 marks

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b

Brief on Inventory control systems with illustrations.

8 marks

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515 marks
a

What is line balancing and explain how largest candidate rule is adopted in line balancing of operations.

7 marks

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b

Describe the importance of transportation model in production control.

8 marks

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615 marks
a

What are the factors affecting routing procedure? Explain in detail.

7 marks

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b

Explain the procedure involved in route sheet preparation.

8 marks

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715 marks
a

Enumerate differences between loading and scheduling.

7 marks

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b

Explain the terms forward scheduling and backward scheduling.

8 marks

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815 marks
a

What is dispatching? Discuss dispatching procedure in detail.

7 marks

Answer

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b

Define follow up and explain different types of the follow up in detail.

8 marks

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