Download GTU BE/B.Tech 2019 Winter 3rd Sem New 3132405 Measurement And Instrumentation Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3132405 Measurement And Instrumentation Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3132405 Date: 28/11/2019

Subject Name: Measurement & Instrumentation
Time: 02:30 PM TO 05:00 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 (1) Accuracy (2) Sensitivity (3) Dead Zone 03
(b) Differentiate Active & Passive transducer. 04
(c) Explain working principle of Permanent Magnet Moving Coil based
measurement instrument.
07

Q.2 (a) Draw only diagram of Analog AC voltmeter. 03
(b) Explain the procedure for extending range of ammeter. 04
(c) Write a note on: Digital Volt Meter. 07
OR
(c) Discuss the usefulness of CT & PT for measurement. 07

Q.3 (a) Draw internal construction of oscilloscope. 03
(b) Discuss Digital Oscilloscope in brief. 04
(c) Draw & discuss block diagram of signal conditioning. 07
OR
Q.3 (a) Explain the use of voltage & current probes in oscilloscope. 03
(b) Explain the procedure to measure time & frequency in oscilloscope. 04
(c) Discuss the circuit used to converter analog quantity into digital (A/D
converter).
07

Q.4 (a) Enlist the requirement of signal conditioning in measurement. 03
(b) Discuss characteristics of digital display. 04
(c) Explain the principle of 3-Phase wattmeter for 3-phase power
measurement.
07
OR
Q.4 (a) Discuss in brief: sample & hold circuit. 03
(b) Classify display devices & explain any one in brief. 04
(c) Explain working principle of LCR meter with necessary block diagram. 07

Q.5 (a) Discuss the principle of thermopile. 03
(b) Discuss (1) Thermistor (2) Thermocouple 04
(c) Explain capacitive level measurement transducer. Support your answer
with diagrams.
07
OR

Q.5 (a) Draw only diagram of optical pyrometer used to measure temperature. 03
(b) Discuss principle of LVDT used to measure displacement. 04
(c) Enlist & explain pressure measurement transducers. 07


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