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Posted Date: 28 Mar 2008 Posted By: Nitin Member Level: Platinum
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2007 Jawaharlal Nehru Technological University B.Tech BIO-TRANSDUCERS AND APPLICATIONS (Bio-Medical Engineering) - Set 1 Question paper
II B.Tech II Semester Supplimentary Examinations, Aug/Sep 2007 BIO-TRANSDUCERS AND APPLICATIONS (Bio-Medical Engineering) 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 coe?cient of +0.002O / O /0 c at 250 c . What is its resistance at 98.60 c if the normal resistance is 12.1k O? [3+6+7]
3. (a) Write note on chemical thermometry. (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.
6. (a) Explain occlusive cu? method of measurement of BP. (b) Write short notes on Catheter tip transducer. [8+8] [5+6+5] [8]
7. What is catheterization? Describe right, retrograde and transseptal catheterization. [4+12]
8. What are the features of a di?erential ampli?er used in biomedical instrumentation? How the linearity and the frequency response of the ampli?er are is improved? [8+4+4]
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