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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
Set No 2
--------------
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) Define noise?
(b) Define about the sampling errors?
(c) Explain active and passive transducer? [5+5+6]
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. What is a radiation thermometer? How is it used in medical thermometry? [4+12]
4. (a) Explain the terms:
i. Resistive transducer
ii. LVDT. [4+4]
(b) Write the working principle of Inductive transducer. Describe its merits and demerits. [8]
5. (a) Explain the differentiation and integration techniques that are used to measure distance related parameters
(b) Explain the operation of piezoelectric transducers. Mention its applications [8+8]
6. With a neat diagram explain about a piezoelectric transducer. Also explain how it can be used as an arterial pressure sensor? [16]
7. What is dilution technique? Describe the Fick, Dye and thermo dilution method. [4+12]
8. (a) Explain the transmission of biological data through radio telemetry.
(b) Explain in detail any two concrete application of telemetry in the field of medicine. [8+8]
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