MAY 2019 BASIC OF ELECTRICAL ENGINEERING PDF
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2019
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Summary
This document is a past paper for a B.Tech 2nd semester course on Basic Electrical Engineering. The paper consists of questions and topics related to DC motors, transformers, power factor, and other electrical concepts. The May 2019 exam included multiple types of questions, and covers a range of essential concepts for candidates preparing for their courses.
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## B.Tech. 2nd Semester (Common for all Branches) - G- Scheme Examination, May-2019 - BASIC OF ELECTRICAL ENGINEERING - Paper-ESC-EE-101-G - Time allowed: 3 hours - Maximum marks: 75 ### Note: - Question No. 1 is compulsory. - Attempt any one question from each section. - All questions carry equa...
## B.Tech. 2nd Semester (Common for all Branches) - G- Scheme Examination, May-2019 - BASIC OF ELECTRICAL ENGINEERING - Paper-ESC-EE-101-G - Time allowed: 3 hours - Maximum marks: 75 ### Note: - Question No. 1 is compulsory. - Attempt any one question from each section. - All questions carry equal marks. ### Section-A 1. Explain the following: - Significance of Phasor Diagram - BH Curve and its Characteristics - Torque-Speed characteristics of DC Motor. - Power factor and its improvement. - Voltage and Current sources. - R.M.S. value 2. (a) What do you mean by Kirchhoff's Law? What are the different types? Explain each with suitable example. (b) Explain the analysis of simple circuit with dc excitation in detail. 3. Explain the following with taking suitable example : - Thevenin Theorem - Norton Theorem ### Section-B 4. (a) What do you mean by Transformer? What are the different types of transformers? Explain the working of each in detail. (b) What do you mean by regulation? How it is useful in transformer testing and calculating its efficiency ? Explain. 5. Discuss about the following: - Power measurement by Two Wattmeter Method - Auto Transformer - Voltage and Current relations in Star Connection ### Section-C 6. How the generation of rotating magnetic field works? Explain the construction and working of three-phase induction motor in detail with suitable diagrams. Also describe the different applications of three-phase induction motor. ### Section-D 7. (a) Describe the relationship between torque and speed in DC Motor. (b) Explain the construction and working of synchronous generators in detail. 8. Differentiate the following: - Watt meter and Energy meter - Moving iron Type and Moving Coil Types 9. Explain the following detail : - Induction type Voltmeter - SFU and MCB - ELCB and MCCB
