Download GTU BE/B.Tech 2017 Winter 4th Sem Old 141702 Transducers Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 4th Sem Old 141702 Transducers Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? IV EXAMINATION ? WINTER 2017

Subject Code: 141702 Date: 29/11/2017
Subject Name: Transducers
Time: 02.30PM to 05.00PM 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)
Explain working principle of thermocouple, its types. And also compare with other
basic temperature transducers.
07
(b) Explain working principle of strain gauge along with gauge factor and its types. 07

Q.2 (a) Draw schematic diagram of variable area flowmeter and explain working
principles with merits and demerits.
07
(b) List out the various factors to be considered during selecting a transducers with
suitable example.
07
OR
(b) Write a short note on optical pyrometer. 07

Q.3 (a) Explain functioning of pressure switch. What are the uses of pressure switches? 07
(b) List the various types of velocity measurement transducers. Explain the
Contactless Tachometer in detail.
07
OR
Q.3 (a) Define the term pH. Explain the working principle of pH transducers with
necessary schematic.
07
(b) Explain major static characteristics of instruments. 07

Q.4 (a) Explain technical concepts of thickness measurement in detail. 07
(b) Explain functioning of LVDT transducers with merits and demerits. 07
OR
Q.4 (a) Explain technical aspects of capacitance level indicator and radiation level
detector in detail.
07
(b) Discuss various statistical analysis involve with measurement of quantity. 07

Q.5 (a) Explain following
? Reynold?s number
? float type level indicator
? air bellows
07
(b) Discuss technical aspects of Torque measurement. 07
OR

Q.5 (a) Explain fiber optic temperature measurement system. 07
(b) Write a short note on telemetry systems and its application. 07

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