Q3
(a) Discuss briefly capacity planning. Explain various kinds of capacity planning. 15 marks (b) Discuss in brief various phases of quality management. 15 marks (c) The time taken by two machines on various jobs in a factory is tabulated in the table below: Calculate the loading sequence for the given jobs and machines to make the line balancing properly. 20 marks
हिंदी में प्रश्न पढ़ें
(a) सामर्थ्य योजना की संक्षेप में विवेचना कीजिए। विभिन्न प्रकार की सामर्थ्य योजना को समझाइए। 15 (b) गुणवत्ता प्रबंधन की विभिन्न अवस्थाओं की संक्षेप में विवेचना कीजिए। 15 (c) एक फैक्ट्री में विभिन्न कार्यों के लिए दो मशीनों द्वारा लिया गया समय नीचे सारणी में सारणीबद्ध किया गया है: दिए गए कार्यों और मशीनों के लिए लदान क्रम का आकलन कीजिए जिससे लाइन संतुलन ठीक हो। 20
Directive word: Discuss
This question asks you to discuss. The directive word signals the depth of analysis expected, the structure of your answer, and the weight of evidence you must bring.
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How this answer will be evaluated
Approach
The directive 'discuss' demands a comprehensive treatment with explanation and critical examination. Allocate approximately 30% effort to part (a) on capacity planning, 30% to part (b) on quality management phases, and 40% to part (c) on line balancing calculation which carries the highest marks. Structure as: brief introduction → systematic treatment of (a), (b), and (c) with clear sub-headings → integrated conclusion linking operations, quality, and efficiency.
Key points expected
- Part (a): Define capacity planning; explain lead, lag, and match strategies; distinguish between design, effective, and actual capacity; mention tools like CPM/PERT and forecasting techniques
- Part (b): Trace evolution through inspection phase → statistical quality control (Shewhart/Deming) → quality assurance → TQM → Six Sigma; explain Deming's PDCA cycle and Juran's trilogy
- Part (c): Apply Johnson's rule or Hungarian method for optimal job sequencing; calculate total elapsed time and machine idle time; present Gantt chart or load balancing diagram
- Integration: Link capacity planning decisions with quality management investment and line balancing efficiency in Indian manufacturing context
- Indian example: Cite ISRO's capacity planning, Tata Motors' quality journey, or Maruti Suzuki's assembly line balancing
Evaluation rubric
| Dimension | Weight | Max marks | Excellent | Average | Poor |
|---|---|---|---|---|---|
| Concept correctness | 22% | 11 | For (a): accurately distinguishes design/effective capacity with utilization and efficiency formulas; for (b): correctly sequences quality phases with key contributors (Shewhart 1924, Deming 1950s, TQM 1980s); for (c): applies correct algorithm (Johnson's rule for 2-machine n-job) with accurate makespan calculation | Basic definitions correct but confuses capacity types or quality phases; attempts calculation with minor errors in sequencing or time computation | Fundamental errors like treating capacity planning as inventory control, misplacing quality phases chronologically, or incorrect algorithm application yielding wrong sequence |
| Framework citation | 18% | 9 | Cites Hill's framework for capacity strategy; references Deming's 14 points, Juran's quality trilogy, Crosby's 'Quality is Free'; for (c) explicitly names Johnson's algorithm or Hungarian method with step-wise application | Mentions some theorists without clear framework linkage; describes calculation method generically without naming the algorithm | No recognizable frameworks; vague references to 'experts say' or completely omits methodological basis for line balancing |
| Case / Indian example | 18% | 9 | For (a): cites BHEL's capacity expansion or NTPC's lead strategy; for (b): discusses CII's adoption of TQM or Tata Steel's TPM implementation; for (c): references Maruti Suzuki's Manesar plant line balancing or ISRO's PSLV assembly optimization | Generic private sector references without specificity; mentions 'Indian industries' without named organizations or concrete practices | No Indian examples; uses only Western MNCs or entirely theoretical treatment detached from Indian manufacturing reality |
| Multi-perspective analysis | 22% | 11 | Integrates three parts operationally: shows how capacity decisions affect quality investment feasibility, and how both enable effective line balancing; discusses trade-offs between capacity utilization and quality slack, or between line efficiency and flexibility | Treats parts in isolation with weak linkages; mentions connections but doesn't develop operational interdependencies | Three disconnected answers with no integrative thread; treats as separate knowledge recall items without systems thinking |
| Conclusion & recommendation | 20% | 10 | Synthesizes into coherent operations strategy for Indian manufacturing competitiveness; recommends specific capacity-quality-balancing integration for Make in India/PLI schemes; suggests Industry 4.0-enabled dynamic capacity and smart quality systems | Summarizes main points without strategic integration; generic recommendations about 'improving efficiency' | Absent or mere repetition of question; no forward-looking recommendation or policy relevance |
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