Download GTU BE/B.Tech 2018 Winter 5th Sem Old 150302 Biomedical Transducers Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 5th Sem Old 150302 Biomedical Transducers Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?V (OLD) EXAMINATION ? WINTER 2018
Subject Code:150302 Date: 30/11/2018

Subject Name: Biomedical Transducers

Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Define transducers. Discuss their performance characteristics. 07
(b) Explain photoconductive and photo voltaic transduction principle with their
applications.
07

Q.2 (a) Write a technical note on types of strain Gauge, its construction and material
selection criteria.
07
(b) Explain working of LVDT with their construction, sensitivity and merits. 07
OR
(b) Derive equation of percentage change in capacitance due to variable separation. 07

Q.3 (a) Explain working of optical pyrometer with their limitations. 07
(b) Explain the concept of extra vascular and intra vascular pressure sensors with
applications. Also give list of sensors used for the same applications.
07
OR
Q.3 (a) Explain measurement of cardiac output with the help of thermistor with
appropriate schematics.
07
(b) Explain used of fiber optic pressure transducer for the intracranial pressure
measurement in new borns.
07

Q.4 (a) State Hagen-poiseuille equation for laminar flow. Explain working of fleish
pneumotachometer.
07
(b) Explain any transducer that used for angular displacement measurement. 07
OR
Q.4 (a) Explain working principle of transducers used for nuclear Radiation
measurement.
07
(b) Explain construction and working of transcutaneous PO2 sensor. 07

Q.5 (a) Write a short note on microbial biosensor for ammonia and nitrogen dioxide. 07
(b) Explain structure and material selection of body surface biopotential recording
electrodes.
07
OR

Q.5 (a) Explain electrode-skin interface and motion artifact. 07
(b) Explain concept of smart sensors with block diagram. 07

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