GTU BE 2020 Summer Question Papers || Gujarat Technological University
Subject Name: MEASUREMENT & INSTRUMENTS
Time: 10:30 AM TO 01:00 PM Total Marks: 70
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- IV EXAMINATION — SUMMER 2020
--- Content provided by FirstRanker.com ---
Subject Code: 2141704 Date: 27/10/2020Subject Name: MEASUREMENT & INSTRUMENTS
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
| MARKS | |
| Q.1 | |
| (a) Differentiate recording VS integrating instruments | 03 |
| (b) Draw and describe basic circuit of analog indication instruments and digital indication instruments. | 04 |
| (c) What is loading effect? How it will eliminates from real measurement? Shortly describe it. | 07 |
| Q.2 | |
| (a) How TRUE RMS meter works? Describe it in brief. | 03 |
| (b) List the step to obtain lissajous patterns on CRO | 04 |
| (c) Explain the operation of Digital to Analog conversion of measured electrical quantity. | 07 |
| OR | |
| (c) Explain the operation of Analog to Digital conversion of measured electrical quantity. | 07 |
| Q.3 | |
| (a) Describe the function of Cathode Ray Tube with neat diagram. | 03 |
| (b) Illustrate the working of attenuation CRO probe. | 04 |
| (c) Draw and describe Digital Storage Oscilloscope in details. | 07 |
| OR | |
| Q.3 | |
| (a) How does power scope differ than DSO? Brief it. | 03 |
| (b) How do you measure unknown frequency using CRO? Describe its procedure with final calculation | 04 |
| (c) Give explanation why we carried out harmonic frequency analysis? Describe one of the method for it. | 07 |
| Q.4 | |
| (a) What are the resistive components in Electrical DC and AC circuit? Give suitable explanation. | 03 |
| (b) Draw and describe Kelvin double bridge. List its limitation. | 04 |
| (c) Describe with neat sketch electrodynamics single phase watt meter. | 07 |
| OR | |
| Q.4 | |
| (a) Describe the color code which used to identify capacitor. | 03 |
| (b) Which bridges are used to measure unknown inductance? Describe one with its circuit diagram. | 04 |
| (c) Draw and describe Schering bridge circuit to find cable fault in details. | 07 |
| Q.5 | |
| (a) What is Q-factor? Define it. | 03 |
| (b) Draw and describe working, schematic and application of function generator in detail | 07 |
| OR | |
| Q.5 | |
| (a) How do you measure power factor? Describe it. | 03 |
| (b) Illustrate contraction, working and application of Potential Transformer | 04 |
| (c) Draw and describe working, schematic and application of sine wave Oscillator in detail | 07 |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2020 Summer Question Papers || Gujarat Technological University