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Posted By: Sra1 Member Level: Diamond Posted Date: 27 May 2008
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2007 Jawaharlal Nehru Technological University B.Tech Biotechnology BIO-TRANSDUCERS AND APPLICATIONS (Supplimentary Examinations, Aug/Sep 2007) Question paper
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Set No 3
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Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Explain the characteristics of a transducer.
(b) What is Amplitude distortion. How it can be minimized. [8+8]
2. What is thermistor? Give the basic science of the thermistor with circuit symbols
and packing style. A thermistor has a positive temperature coefficient of +0.002
/
/0c at 250c . What is its resistance at 98.60c if the normal resistance is 12.1k
? [3+6+7]
3. (a) Write note on chemical thermometry. [8]
(b) Explain the terms:
i. Radiation thermometry.
ii. Clinical thermometry [4+4]
4. Describe the various types of displacement transducers that can be used in vitro and in vivo. [16]
5. Write short notes on
(a) Elastic transducer
(b) Capacitive transducer.
(c) Optical transducer. [5+6+5]
6. (a) Explain occlusive cuff method of measurement of BP.
(b) Write short notes on Catheter tip transducer. [8+8]
7. What is catheterization? Describe right, retrograde and transseptal catheterization. [4+12]
8. What are the features of a differential amplifier used in biomedical instrumentation?
How the linearity and the frequency response of the amplifier are is improved? [8+4+4]
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