GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Name: Biomedical Transducers
Time: 10:30 AM TO 01:00 PM
Subject Code: 150302
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-V (OLD) EXAMINATION - WINTER 2018Subject Name: Biomedical Transducers
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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- (a) Define transducers. Discuss their performance characteristics. [07]
(b) Explain photoconductive and photovoltaic transduction principle with their applications. [07] - (a) Write a technical note on types of strain Gauge, its construction and material selection criteria. [07]
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(b) Explain working of LVDT with their construction, sensitivity and merits. [07] - (a) OR
Derive equation of percentage change in capacitance due to variable separation. [07]
(b) Explain working of optical pyrometer with their limitations. [07] - (a) Explain the concept of extra vascular and intra vascular pressure sensors with applications. Also give list of sensors used for the same applications. [07]
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(b) OR
Explain measurement of cardiac output with the help of thermistor with appropriate schematics. [07] - (a) Explain used of fiber optic pressure transducer for the intracranial pressure measurement in new borns. [07]
(b) State Hagen-poiseuille equation for laminar flow. Explain working of fleish pneumotachometer. [07] - (a) Explain any transducer that used for angular displacement measurement. [07]
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(b) OR
Explain working principle of transducers used for nuclear Radiation measurement. [07] - (a) Explain construction and working of transcutaneous PO2 sensor. [07]
(b) Write a short note on microbial biosensor for ammonia and nitrogen dioxide. [07] - (a) Explain structure and material selection of body surface biopotential recording electrodes. [07]
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(b) OR
Explain electrode-skin interface and motion artifact. [07] - (a) Explain concept of smart sensors with block diagram. [07]
Date: 30/11/2018
Total Marks: 70
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