JNTU
JNTU B.Tech IV POWER PLANT INSTRUMENTATION 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 the importance of piping and instrumentation diagram?
Answer
A Piping and Instrumentation Diagram (P&ID) is essential for representing the functional relationship between piping, instrumentation, and system equipment. It provides a standardized schematic used for process design, construction, operation, and maintenance, ensuring all stakeholders have a unified understanding of the plant's control logic and physical layout.
Give basics of Control Rooms.
Answer
Control rooms serve as the centralized hub for monitoring and managing plant operations. They house human-machine interfaces (HMIs), alarm management systems, and emergency shutdown controls. The basic design focuses on ergonomic layout, environmental control, and high-reliability communication networks to ensure operators can safely oversee complex processes and respond to critical system changes.
List the drawbacks of Impurities in Water.
Answer
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What are the different Measurements in Water circuit?
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How Analytical Measurement in Air-fuel circuit is done?
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What are the functions of Air-fuel circuit?
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What is the importance of Intrinsic and Electrical Safety?
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What is the importance of Distributed Control Systems?
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What are the different turbine measurements?
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What is the importance of Lubrication for Turbo-alternator?
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PART - B
Explain in detail about Instrumentation and control in power generation.
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Explain briefly about Cogeneration of power.
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Explain about Boiler Feed Water circulation.
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Explain in detail about Controls in water circuit.
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Explain in detail about Air- Fuel Circuit.
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Explain in detail about Controls in Air- Fuel Circuit.
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Explain in detail about Interlocks for Boiler Operation.
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Explain in detail about Computer based Control and Data Logging Systems.
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Explain in detail about hydraulically controlled speed governing and turbine steam inlet control Valve actuation system.
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Explain in detail about Induction generators cooling system.
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