Code No: 321054 III-B.Tech II-Semester Supplementary Examinations, May, 2004 TELEMETRY AND TELECONTROL (Common to Electronics and Instrumentation Engineering, Electronics and Control Engineering)
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Max. Marks: 70 Answer any FIVE questions All questions carry equal marks --Explain the principle and operation of hydraulic and optical telemetry systems with figures.
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Time: 3 hours.
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4.a) b)
5.a) b)
Draw the block schematic for obtaining the pulse code modulation line waveform and explain the operation of each block with the necessary graphs. Explain the Pulse Position Modulation and the Pulse Width Modulation with waveforms. Explain the principle and operation of a FSK with waveforms. Draw the figure of a set of modems using FSK and explain its operation with graphs. Explain the operation of FSK using two carrier oscillators with a block diagram and waveforms. Explain the reflection – refraction mechanism in a optical cable with step –index profile and derive the expression for the “Numerical Apenture”. Explain the Dispersion in optical fibres with figures and with the necessary expressions.
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6.a)
What is a Amplitude Modulation give a scheme for obtaining amplitude modulation with a figure, derive the expression for the output and draw the input and output waveforms. Define modulation index in the Amplitude Modulation give the expression and derive the expression for the Total Power in the Amplitude Modulation, in terms of the modulation index.
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2.a) Explain the principle and operation of voltage telemetry system with figures. b) Explain the principle and operation of current telemetry system with figures.
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Briefly explain about the optical telemetry system with a example. Briefly explain the tele control system with a example.
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7.a) b) 8.a) b)
Briefly explain about the Tele control using information theory. Explain the Principle and operation of Synchro – Position telemetry system with a figure and with the necessary expressions. #$#$#.
modulation with a figure, derive the expression for the output and draw the ... 5. a) Draw the block diagram of a Delta modulator / demodulator and explain its.
b) Explain the principle of single tuned capacitance coupled amplifiers. 3.a) Classify various commutation techniques. Also explain class A commutation.
chimney attached to the boiler? Explain how will you estimate its concentration · in this flue gas? 5. Describe the removal of sulphurdioxide by dry process using ...
... band factor 16, one start bit, one stop bit, even · parity enable. Further transmit a message 'HAPPY NEW YEAR' in ASCII coded · form to a modem. ###. OR.
(figure.1). (c) Obtain Thevenin's equivalent circuit for the network below figure 2. 1 of 3 ... (a) Obtain open circuit and short circuit parameters. Obtain relation ...
Show the reaction mechanisms of the following reactions. (a) Gatterman reaction. ... How will you determine the configuration of glucose with the help of Fischer's method? 7. (a) What ... Explain the theory of colour and constitution? *****. 1 of 1.
Maximize the following problem using Simplex Method. Z = 10x + y + ... 10; x1, x2 ⥠0. 8. Write short notes on the following: (a) Kuhn-Rucker conditions. 1 of 2 ...
Explain the Remote procedure call in detail. 3. Explain distributed Deadlock Detection and prevention methods. 4. Explain the following processor Allocation ...
(b) A single phase fully controlled bridge converter is supplied at 230V, 50Hz, ... Explain the operation of single phase A.C. voltage controller with Resistive and.
What is a rocket, what are the various types and applications? 6. How the satellites are put in to the orbit and what are the requirements of the propulsion system ...
7. a) What is creep? Explain the effect of temperature and load on creep curves. b) Explain the various atomic mechanisms involved in deformation at high.
4.a) What are the various types of rolling mills and discuss their relative advantages ... b) Draw the pressure distribution plot along arc of contact and explain its.
(c) How do you decrease the partical pressure of a component in a cracker. 4. Explain with a flow sheet the working of petrochemical complex. 5. (a) Butane is ...
Present a program schema for a FIFO branch and bound search for a Least â Cost · answer node. 8. Explain in detail how the technique of backtracking can be ...
(a) What are the industrial applications of TIMER CKTS? (b) What are the electronic welding controls used in resistance welding? (c) What are advantages of ...
b) Prove the independent laws for the elements of a lattive. 4. Using Warshall's algorithm, compute the adjacency matrix of the transitive · closure of the digraph.
Functions with half wave symmetry have only odd harmonics. 3. (a) Determine ... (a) State and prove the convolution and scale change properties in z transform.
to overcome this problem. Discuss. 7. (a) Distinguish between Mealy and Moore machines. (b) Convert the following Mealy machine into a corresponding Moore ...
