JNTU
JNTU B.Tech IV MAINTENANCE AND SAFETY ENGINEERING Previous Question Paper (May - 2019 - R15)
Note: This question paper contains two parts A and B. 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 life cycle of a component?
Answer
The life cycle of a component refers to the entire duration from its initial design and development, through manufacturing, installation, operation, and maintenance, until its eventual decommissioning or disposal.
What is Reliability and mention its importance?
Answer
Reliability is the probability that a component or system will perform its required function without failure under specified conditions for a stated period of time. Its importance lies in ensuring operational continuity, reducing maintenance costs, enhancing safety, and improving overall system efficiency.
What methods to be adopted to reduce inventories?
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What is the basis for reducing the spares?
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How the quality and quantity are interrelated?
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What safety measures to be adopted during repairs?
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How to reduce the failures of machines?
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What is reliability centered maintenance?
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How maintainability and serviceability are interrelated?
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What is meant by design errors?
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Part B
What strategies are adopted in maintenance procedures in 21st century and explain its impact on the performance?
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How the maintenance management control indices are developed and explain their utilities?
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What are the problems to be encountered in maintenance to obtain quality work?
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What are the functions of maintenance department and explain its organization structure?
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What are the various elements of preventive maintenance and explain the characteristics ?
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What are the methods to be adopted in the evaluation of preventive maintenance program?
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What are the effects of overhaul, rebuild and servicing in the corrective maintenance?
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A maintenance department annually holding cost is per unit is Rs50/- along with set up cost or ordering cost is Rs250/- per order. Determine: i) Optimal number of units per order ii) Expected time between orders.
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What are the various sequence of operations involved to obtain good quality maintenance work?
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What are the various areas to be concentrated by the equipment manufactures to improve maintenance safety?
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What are the various factors and reasons which influence the maintenance cost?
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How to prepare the budget for the maintenance department to cover overall expenditure of the department?
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What is reactive maintenance, as applied to reliability centered maintenance?
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Differentiate between preventive maintenance and pro- active maintenance.
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How to determine periodicity of monitoring in the preventive maintenance?
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What are the various condition monitoring techniques employed in the reliability centered maintenance?
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Differentiate between reliability and maintainability.
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Describe the maintainability management of the machine life cycle.
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What is meant by interchangeability of components and explain its importance on maintainability?
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What are the specific considerations in the maintainability design characteristics?
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