Download GTU BE/B.Tech 2019 Winter 5th Sem New 2154101 Sensor And Instrumentation Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2154101 Sensor And Instrumentation Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2154101 Date: 21/11/2019

Subject Name: Sensor and Instrumentation
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.


MARKS

Q.1 (a) Define Accuracy with its types. 03
(b) Why electronic instruments are more preferable than mechanical
and electrical instruments?
04
(c) Explain Transducer with its characteristics and also give
advantages and disadvantages.

07
Q.2 (a) Define sensor calibration. 03
(b) Explain Drift and Linearity 04
(c) Explain LVDT with construction and working. Also give
advantages.
07
OR
(c) Explain dynamic characteristics of a measuring device 07
Q.3 (a) Give principle and construction of Load cell. 03
(b) Explain RVDT. 04
(c) Explain thermocouple construction and also give advantages,
limitations of it.
07
OR
Q.3 (a) How magnetic sensor work? 03
(b) Explain types of stain gauges. 04
(c) What is gyroscope sensor? Explain its type and give its application. 07
Q.4 (a) Give advantages and disadvantages of venturi tube for flow
measurement.
03
(b) Explain orifice meter for flow measurement 04
(c) Explain MEMS sensor, working principle also give advantage and
applications
07
OR
Q.4 (a) Give advantages and limitations of thermistors. 03
(b) Explain RTD with advantages. 04
(c) Explain piezoelectric (PZT) pressure transducer with limitations
and applications.
07
Q.5 (a) Explain uses of data acquisition system. 03
(b) What is sample and hold circuit? Explain with circuit diagram. 04
(c) Explain Multichannel data acquisition system. 07
OR
Q.5 (a) Define (i) Reproducibility (ii) Scale Readability 03
(b) Explain single channel data acquisition system. 04
(c) Explain characteristics of a data logger. 07

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