Jawaharlal Nehru Technological University Hyderabad
Jawaharlal Nehru Technological University Hyderabad B.Tech IV MAINTENANCE AND RELIABILITY ENGINEERING Previous Question Paper (May - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
Part A
What is the need of maintenance?
Answer
Maintenance is necessary to ensure equipment reliability, maximize operational availability, extend the useful life of machinery, and minimize unexpected downtime and costly emergency repairs.
What is modern maintenance?
Answer
Modern maintenance refers to a proactive and systematic approach that integrates advanced technologies, such as condition monitoring and predictive analytics, to optimize equipment performance. It shifts the focus from reactive repairs to reliability-centered maintenance (RCM) and total productive maintenance (TPM) to eliminate waste and improve overall equipment effectiveness.
What is manpower maintenance?
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What is effective maintenance?
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Write short notes on corrective maintenance model.
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Name the corrective maintenance types.
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Define the term Maintainability.
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Define Mean time to restore.
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What is Hazard model?
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Define mean time to failure.
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Part B
Explain in detail the objectives and maintenance in equipment life cycle.
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Explain the problems and maintenance strategy for the 21st century.
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Define the objectives of the maintenance management with some live examples.
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Explain in detail maintenance management control indices.
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Derive the benefits of inspection decisions before taking up the preventive maintenance.
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Explain the preventive maintenance measures and models in detail.
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What impact Reliability and Maintainability would have on availability? Explain.
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Graphically represent the typical reliability and maintainability relationship for a system.
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Derive the reliability function using failure statistics.
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Outline different models being used for component failures. Give an example for total time on test plots.
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