Download GTU BE/B.Tech 2018 Winter 5th Sem New 2152408 Industrial Instrumentation Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018

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Subject Code:2152408 Date:16/11/2018
Subject Name:Industrial Instrumentation
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) List the advantages and disadvantages of thermocouples. 03
(b) Write a short-note on Thermistor. 04
(c) List advantages of electrical transducers. Discuss the basic requirements of a transducer. 07

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Q.2 (a) Explain about Unbounded and Bounded strain gauge. 03
(b) Define followings:- 04
(1) Resolution (2) Precision (3) Repeatability (4) Accuracy
(c) Explain the construction, working and characteristics of LVDT. List the advantages of LVDT. 07

OR

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(c) Write Technical Note on: Piezo-electric Transducers. 07

Q.3 (a) Explain load cell. 03
(b) Explain Ultrasonic Flow Meter. 04
(c) Derive the equation of the gauge factor for the resistance strain gauge. 07

OR

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Q.3 (a) Discuss factors affecting strain measurements. 03
(b) Explain Hot Wire Anemometer. 04
(c) Explain the construction and working of magnetic-drag tachometer. 07

Q.4 (a) Explain Pressure Switch. 03
(b) Discuss IC’s used for Pressure/Measurement. 04

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(c) Explain the construction, working and characteristics LASER level sensor. List the advantages of LASER level sensor. 07

OR
Q.4 (a) Discuss Capacitive Sensors for Level Measurement. 03
(b) Discuss Optical Level Sensor. 04
(c) Explain Electrodynamic Pressure Transducer used for pressure measurement 07

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Q.5 (a) Discuss Proximity Torque Sensors. 03
(b) Write a Note on: Micro sensors. 04
(c) Explain the construction and working of RTD. Also enlist the advantages and disadvantages. 07

OR
Q.5 (a) Define Indicating, recording and controlling Instrument. 03

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(b) Discuss Hall effect Transducer. 04
(c) What is basically the concept of ‘Smart Sensor’? Explain with the help of a Diagram the arrangement of its elements. 07

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