Download GTU BE/B.Tech 2019 Summer 5th Sem Old 151702 Sensors And Signal Conditioning Question Paper

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Subject Code:151702
GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER- V(OLD) EXAMINATION - SUMMER 2019
Date:31/05/2019
Subject Name: Sensors And Signal Conditioning
Time: 02:30 PM TO 05:00 PM
Instructions:

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1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Explain PMMC.
(b) Describe various test signals with its waveforms and representation.

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Q.2 (a) What is the role of passive transducer in electrical measurement system?
(b) Explain the techniques of obtaining direct and indirect Frequency modulation.
OR
(b) Define following: (1) Accuracy and Precision (2) Resolution (3) Fidelity (4)
Saturation (5) Calibration (6) Dead zone (7) Bandwidth

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Q.3 (a) Explain LVDT.
(b) Explain in detail Hot wire anemometer.
OR
Q.3 (a) Explain digital tachometer in detail.
(b) Give Classification of transducers.

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Q.4 (a) Discuss Wien bridge oscillator.
(b) Give the difference between periodic and aperiodic signals
OR
Q.4 (a) Explain the function of CRT with neat diagram.
(b) Draw and explain the function of Strip chart recorders.

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Q.5 (a) What is pH? Explain different types of pH electrodes in detail.
(b) Explain Op-amp based V to F converter with neat sketch.
OR
Q.5 (a) Explain Hall effect and suggest its application.
(b) Explain piezoelectric pressure transducers.

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Total Marks: 70
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