Download GTU BE/B.Tech 2018 Winter 7th Sem New 2170808 Sensor Networks And Instrumentation Question Paper

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Subject Code: 2170808

GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-VII (NEW) EXAMINATION - WINTER 2018
Subject Name: Sensor Networks & Instrumentation
Time: 10:30 AM TO 01:00 PM
Date: 26/11/2018
Total Marks: 70

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Instructions:

1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Explain sensors parameter. 03

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(b) Explain humidity sensors in details. 04
(c) Explain Second Order Band Pass Filter in detail 07
OR
(a) Explain Transducer Bridge Amplifier using Op-Amp with Application 07

Q.2 (a) Explain loading effect on sensors output. 03

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(b) Explain characteristics of an Ideal OP-AMP. 04
(c) Explain KRC filters equations. 07
OR
(a) Explain advantages of smart sensors. 07

Q.3 (a) Explain with neat sketch Coz Sensing techniques with necessary equations and graphs. 03

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(b) How to select a sensor? Explain selection of sensor in detail 04
(c) Explain various factors influencing WSN design 07
OR
(a) What is wireless sensor network?. 03
(b) Explain Zigbee Network 04

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(c) What is Sensor? Give classification of sensors with respect to various parameters. 07

Q.4 (a) What is Negative Feedback? 03
(b) Explain Multiple Feedback filters. 04
(c) Explain First Order RCfilters 07
OR

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(a) Explain capacitive sensor. 03
(b) Explain general architecture of smart sensor 04
(c) Explain feedback system in OP-AMP circuit. 07

Q.5 (a) What is Negative Feedback? What are its advantages? 03
(b) Explain first order low pass filter and derive all equations with neat figure. 04

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(c) Explain KRC filters 07
OR
(a) Explain first order Low Pass active filter 03
(b) Explain First Order RC filters and derive its equations. 04
(c) Fkkkthdhh bt 07

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