Electrical Measurements and Instrumentation Past Paper (2020) - PDF

Total No. of Questions : 8] [Total No. of Printed Pages : 2 Roll No.................................. EE/EX-3002-CBGS B.E. III Semester Examination, December 2020 Choice Based Grading System (CBGS) E...

Total No. of Questions : 8] [Total No. of Printed Pages : 2 Roll No.................................. EE/EX-3002-CBGS B.E. III Semester Examination, December 2020 Choice Based Grading System (CBGS) Electrical Measurements and Instrumentation Time : Three Hours Maximum Marks : 70 Note: i) Attempt any five questions. ii) All questions carry equal marks. iii) Sketch neat diagram. 1. a) Write about Testing and Calibration of instruments. 7 b) What are the various techniques for dynamic compensation in measurement systems. 7 2. a) Explain in detail about Electrodynamometer with the help of suitable diagram. 7 b) What are the various operating forces and damping techniques used in analog instruments? 7 3. a) What are potential and current transformers? Also discuss the difference between them. 7 b) Explain working and construction double element dynamometer Wattmeter. 7 4. a) Explain about Resonance type frequency meter. 7 b) Explain construction and operation of three phase electronic energy meter. 7 5. a) Explain in detail about series and shunt type Ohmmeter. 7 b) Explain loss of charge method for resistance measurement. 7 EE/EX-3002-CBGS PTO https://www.rgpvonline.com  6. a) Explain working and construction of D’arsonval galvanometer. 7 b) Discuss about accuracy of measurement in steady state. 7 7. a) Write about principle of operation and working of moving iron type instrument. 7 b) Explain about measurement of reactive power by single Wattmeter method. 7 8. Write short notes on the following: 14 a) PMMC b) B-H curve and Hysteresis Loop determination c) Digital voltmeter ****** EE/EX-3002-CBGS PTO https://www.rgpvonline.com