JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV TELEMETRY AND TELECONTROL Previous Question Paper (December-2023/January-2024 - R15)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
List the various functional blocks of Telemetry system.
Answer
The functional blocks of a telemetry system include the Transducer, Signal Conditioning unit, Transmitter, Transmission Channel (or Link), Receiver, Demodulator/Decoder, and the End-use device (Display or Data Logger).
What is the need of channel coding?
Answer
Channel coding is necessary to detect and correct errors introduced by noise and interference during data transmission. It adds redundancy to the transmitted data, allowing the receiver to reconstruct the original information accurately even if some bits are corrupted, thereby improving the reliability and integrity of the communication link.
Explain the principle of working of PLL.
Answer
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What is the need of QAM?
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List the Modern Telemetry systems.
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Explain the need of Satellite Telemetry.
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What are the Sources of Optical Telemetry?
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Summarize the advantages of coherent fibre communication system.
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List the various Telecontrol apparatus.
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Explain the need of Telecontrol in Telemetry.
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Part B
Compare Frequency and Pneumatic methods of Telemetry.
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Explain about Time function pulses.
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Describe the need of Telemetry system and mention its applications.
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Discuss about Modulation codes.
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Explain about TDM-PAM system.
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Compare FM and PM circuits.
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Describe the working of FM circuit with neat sketch.
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Elaborate the need of Differential PCM in Telemetry and mention its advantages.
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Explain about the Digital transmission systems.
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Describe the working of TT&C sub systems.
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Explain about Telemetry and communications related to satellite communication.
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Compare the features of Zigbee and Ethernet Telemetry.
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Choose any one optical detector and explain its principle of operation.
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Conclude the need of coherent Optical fibre communication system?
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Explain about Transmitter circuit of Optical Telemetry system with neat sketch.
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Construct Optical Telemetry system and outline its advantages.
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Explain the need of information theory in Telecontrol.
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Distinguish Analog and Digital Telecontrol Techniques.
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Discuss Telecontrol system with an example.
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Explain about Remote adjustment in Telecontrol.
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