power system protection mcq pdf

Power System MCQ PDF 1. iii Cisco eXpandable Power System 2200 Hardware Installation Guide OL-19595-01 CONTENTS Preface v Overview v Obtaining Documentation and Submitting a Service Request vi CHAPTER 1 Product Overview 1-1 Product Description 1-1 Front Panel Description 1-2 LEDs 1-3 Select and Online/Offline Buttons 1-5 Fan Modules 1-6 Service Port 1-6 Rear Panel Description 1-6 Reset â¦ EE8591 Digital Signal Processing MCQ. Customs and Border Protection STRATEGY 2021â2026Electrical Engineering Multiple Choice Questions (MCQs Power system simulation â Power system Analysis â HYPERSIM A course in power systems by JB Gupta - Morning Exam 300+ TOP POWER SYSTEM LAB VIVA Questions and Answers ANSWER: All of the above. Power System MCQs with Explanatory Answers. (d) all of these. (Generation, Transmission and Distribution MCQs with Explanatory Answers ) 1. Power System Protection (Core subject, E&EE) Time: 3 Hrs Max.Marks: 80 Note: Answer any FIVE full questions, choosing at least ONE question from each module. Case-based MCQs. Power System Interview Questions EE8551 Microprocessors and Microcontrollers, EE8551 MCQ Link 2. Power System Protection Electrical Engineering MCQ [ hide] 1 In a circuit breaker the arcing contacts are made of which material. Download Full PDF Package. 1. Determine a minimum circuit breaker trip rating and interrupting capacity for a 10 kVA single â¦ This Paper. power system protection interview questions answers pdf . C. Switching. Download Solution PDF. 3 The major function of a fuse is to. a. The maximum power flow possible through a particular component connected in the power system. The protection is provided in the system to protect each and every element of the power system. MCQs of Unsymmetrical Fault Analysis. Here you can find Switchgear Protection and Power Systems by SUNIL s rao A very nice book free download shared files. ELECTRICAL PROTECTION SYSTEM 3.1 DESIGN CONSIDERATION Protection system adopted for securing protection and the protection scheme i.e. Fire Protection System to protect a: a) Power plant b) Aircraft hangar c) Chemical storage facility d) Computer room . A lightning strike ( classiï¬ed as an act of God!) File Type PDF Power System Multiple Choice Questions With Answers each main chapter from grade 9 high school physics course. PS5211 Advanced Power System Simulation Laboratory PC 4 0 0 4 2 PROFESSIONAL ELECTIVES (PE)* Semester I Elective I S.No Course Code COURSE TITLE CATEGORY CONTACT PERIODS L T P C 1. Download Switchgear Protection and Power Systems by SUNIL s â¦ Pilot wires refers to the wires that connect the CTâs placed at the ends of a power transmission line as Power Systems There is a widespread use of microelectronics, computers and high-speed communications for control and protection of present transmission systems; however, when operating signals are sent to the power circuits, where the final power control action is taken, can cause insulation failure. C. Switching. Power System Protection and Relays Questions & Answers. Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. It is used to improve the power factor of the system. When the insulation of the system fails at one or more points or a conducting object comes into contact with a live point, a short circuit or a fault occurs. An industrial consumer hall a daily load pattern of 2000 KW, 0.8 lag for 12 Hra and 1000 kW UPF for 1J Hr. (c) is nontoxic. OMD551 Basics of Biomedical Instrumentation MCQ. PROTECTION Power System Protection - Philadelphia University Fire Protection For example, a worn out bearing may cause overloading of a motor. Power System Analysis MCQs Quizlet (Bank of Solved Questions Answers) 1. Power System Protection Basic elements of digital protection 3.1 Introduction Operating voltages and currents flowing through a power system are usually at kilovolt and kiloampere levels. SWITCHGEAR AND PROTECTIVE DEVICES Labels: Objective Questions or MCQs on Switchgear and Protection, Power Systems (Switchgear & Protection) Expected MCQ PDF, Switchgear and Protection - Electrical Engineering (MCQ) questions 30 TOP Electrical Switchgear and Protection Interview Questions answers pdf download Subject code: 15A02603 Power System Analysis Dept.of.EEE VEMU IT Page 2 SYLLABUS UNIT -I POWER SYSTEM NETWORK MATRICES Representation of Power System Elements, Graph Theory: Definitions, Bus Incidence Matrix, Ybus Formation by Direct and Singular Transformation Methods, Numerical Problems. All questions are provided for every important concept of electrical engineering. Define the term pilot with reference to power line protection. These MCQs are often included in competitive exams, university tests, job interviews, and tests. This Security provided to the system is called the 'Zone of protection'. More than 5000 questions are provided of short question and answer and MCQ type question and answer. Differential Protection or Merz-Price protection of Alternators: The most common system used for the protection of stator winding faults is the circulating-current principle. b. D. High initial cost. â¦ Power System Protection Vol 1 - Principles and Components 2nd Ed (IEEE, 1995) WW. 2 Internal faults on the transformer arise from. Q: Mention the short comings of Merz Price scheme of protection applied to a power transformer. The students will become familiar with the components, basic operating principles, main applications, and limitations of protective relays and protection schemes. Explanation: No explanation is available for this question! 1. Show Explanatory Answer. D. â¦ What will be the radius of the wire that will blow off at a current of 1A? 1.3.1 Zones of Protection system â¢ An electric power system is divided into several zones of protection. Power System Operation and Control Notes materials to download are listed below please check it â. Lightning. B. Resonance. Each zone of protection, contains one or more components of a power system in addition to two circuit breakers. Define a relay element. 2. The ability of the power system to regain the state of operating equilibrium point when the system is subjected to any disturbances. If you have any doubts please refer to the JNTU Syllabus Book. However, for digital processing, it is necessary to reduce the primary measurands â¦ The power systems of today, by and large, are mechanically controlled. Must book for power system courses. Here you can find Switchgear Protection and Power Systems by SUNIL s rao A very nice book free download shared files. If any fault occurs in the system then the relays associated with it trip all the circuit breaker so that the faulty element gets removed from the power system. Share on Whatsapp Indiaâs #1 Learning Platform Start Complete Exam Preparation The load factor i= _____. 5. This book divided into 4 parts and 41 chapters. This pdf book is as per JNTU, OU and all other states semester syllabus. (b) resonance. 11/5/2018 Multiple Choice Question (MCQ) of C. Following are the multiple Choice questions for the subject EHVAC and HVDC power transmission systems of final year Electrical Engineering. a) equal area b) half set c) transient area d) none of these 2. 31. 2. This paper. â¢ Current & Voltage Transformer: also called instrument transformers. Download Switchgear Protection and Power Systems by SUNIL s â¦ Power System is the widest and one of the important subjects in Electrical engineering which has a considerable weightage of marks in ESE, ranging from 16-18% in the objective paper to 25-27% in Conventional paper.. Subject with such weightage of marks and big syllabus should be dealt with a proper strategy â¦ Free download in PDF Switchgear and Protection Multiple Choice Questions and Answers for competitive exams. An over excited synchronous motor running on no load is known as synchronous condenser. An under frequency relay is one which operates when the frequency of the system (usually an alternator or transformer) falls below a certain value. Switching Impulse or Switching Surge When a no load transmission line is suddenly switched on, the voltage on the line becomes twice of normal system voltage. The evaluation of power system is called as power system analysis Functions of power system analysis To monitor the voltage at various buses, real and reactive power flow between buses. Make a case for protection systems. Lecture 1 : Introduction. Power System Protection Practices // ABB. REFERENCE BOOKS: Switchgear and Protection Notes â SGP Notes â SGP Pdf Notes. (Electrical & Electronics Engineering) Disclaimer This document does not claim any originality and cannot be used as a substitute for prescribed textbooks. Also, if a relay fails to operate, there should be sufficiently quick backup protection so that the rest of the system is protected. Art & Science of Protective Relaying â by C R Mason, Wiley Eastern Ltd. Electrical Power Systems â by C.L.Wadhwa, New Age International (P) Limited, Publishers, 3rd edition. In simple words relay is an electrical device that gives signal to isolation device (eg: Circuit Breaker) after sensing the fault and helps to isolate the fault system from â¦ This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on "Switchgear and Protection -1" Chandra Sekhar. Lecture Notes on Power System Engineering II Subject Code:BEE1604 6th Semester B.Tech. Oil circuit breakers. â¢ When a fault occurs within the boundary of a particular zone, then the protection system When a loaded line is suddenly C. Horan gaps and temperature relays. Economics of Operation page-1 Objective Type Question or MCQ of B. This course is to be prepared to serve as an introductory course for power system protection and switchgear for under graduate and post graduate students of various technical universities. R. K. Kanodia and Ashish Murolia GATE Exam Previous Years Solved MCQ Collections Mechanical Engineering 20 yEARS GATE Question Papers Collections With Key (Solutions) GATE TANCET IES EXAMS SYLLABUS What is protective relay? Power System Objective Type Questions and answers. If you have any doubts please refer to the JNTU Syllabus Book. What is meant by synchronous condenser? Lecture Notes on Power System Engineering II Subject Code:BEE1604 6th Semester B.Tech. D. Earth fault and positive sequence relays. Objectives. Since the late 1960s, digital devices and techniques have been applied to almost all new protection schemes. (b) is lighter than air. 2 Main components of protection systems The main components of protection systems are discussed brieï¬y below. It helps students for a quick study review with quizzes for conceptual based exams. Full PDF Package Download Full PDF Package. Ans: C. Q.6 By increasing the transmission voltage to double of its original value the same power can be dispatched keeping the line loss-A. The cosine of angle between voltage and the current in an AC circuit is known as power factor. This course is to be prepared to serve as an introductory course for power system protection and switchgear for under graduate and post graduate students of various technical universities. Today the technology is moving towards standardised hardware platforms; at the software level, however, there remains a huge variety in approaches and protection algorithms. View Multiple Choice Question (MCQ) of C. Power System Protection page-1 _ Electricalunits.com.pdf from ENGLISH 1987645 at University of Notre Dame. voltage protection devices used in power system mainly due to lightning surges. Requirements of protection power station buildings against direct strokes are (a) interception. 5. p s bimbhra power electronics,p s bimbhra power electronics download pdf,p.s.bimbhra power electronics khanna publishers pdf,p s bimbhra power electronics solution,p s bimbhra power electronics flipkart,p s bimbhra power electronics book,p s bhimbra power electronics solution,power electronics p.s.bimbhra solutions ebook,power electronics â¦ Voltage (V) Half of the Voltage (½ V) Squire of the Voltage (V 2) None of the above. Induction motors. This contains 20 Multiple Choice Questions for SSC Test: Power Systems- 1 (mcq) to study with solutions a complete question bank. (a) is yellow in colour. power system protection objective questions and answers pdf . 2020-2021 Power System Projects. In this post provide you latest and updated 2018 Electrical MCQ Objective Questions with answer which are help for preparation all electrical engineering exams like GATE, IES, JTO, PSUs, RRB JE/AEN, RRB loco pilot and technicians, SSC JE, DMRC, LMRC, ISRO and other state level â¦ Volume of The Conductor is inversely proportional to the ____________. The over voltage surges in power systems me be caused by. OAT551 â¦ Also Available in PDF format down below. Underground system is more flexible than overhead system. The objective of power system protection is to isolate a faulty section of electrical power system from rest of the live system so that the rest portion can function satisfactorily without any severe damage due to fault current. These short objective type questions with answers are very important for Board exams as well as competitive exams. B. Mho and ohm relays. For absolute stability of the system we use which criteria? "Work and Energy Quiz Questions and Answers" pdf includes multiple choice questions and answers (MCQs) for 9th-grade competitive exams. PS5204 Restructured Power System PC 3 3 0 0 3 10. Conversion Electric power distribution - WikipediaRSS-216 â Wireless Power Transfer Devices - Spectrum Power system protection - WikipediaU.S. The information presented here is merely a collection by the committee members for MCQs based on Assertion-Reason III. Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. Q.5 The main drawback of ovehead system over underground syste is-A. It also has objective questions or MCQ's of Power systems at the end of each chapter. Section 4 â Kitchen Fire Safety Question #16 Mimicking a worst-case scenario, if a kitchen fire safety product passes this legislatureâs strict test, i) Hydro Generators ii) Generator Transformers iii) H. V. Bus bars iv) Line Protection and Islanding A. It aims to give a comprehensive up-to-date presentation of the role of protection safety system, switchgears and its advances in modern power system. 1.7 Basic Principle of Operation of Protective relay Each relay in a protection scheme performs a certain function and responds in a given D. â¦ 6.7.1 Basics of Protection and Protective Devices 188 6.7.2 Protection Coordination 192 7. Discuss evolution of relays from electromechanical to numerical relay. Air blast circuit â¦ Hence, For the problem of power system swings for protection of EHV lines mho relay with a characteristic angle of 60° is the best choice. Power system protection is a branch of electrical power engineering that deals with the protection of electrical power systems from faults [citation needed] through the disconnection of faulted parts from the rest of the electrical network.The objective of a â¦ Economics of Operation page-2 A. Merz price percentage differential protection. Define the term pilot with reference to power line protection. Define Power Factor. 18 â¦ These all power system mcq pdf download here provide also useful for the study other state and India level exams like SSC Jen, BSNL Je And JTO Exams, Railways Jen And Section Engineers, DRDO, DMRC, Metro, many other state level and India level engineering exams. Mohammed Tawfeeq 011 Power system protection Dr.Mohammed Tawfeeq Overcurrent Protective Relays Overcurrent relays Overcurrent relaying is the simplest and cheapest type of protection used for protection of lines, transformers, generators and motor. Power System Protection Vol 1 - Principles and Components 2nd Ed (IEEE, 1995) WW. Acces PDF Power System Protection Switchgear Lab Manual System: Including Generation, Transmission, Distribution, Switchgear And ... We have over 5000 electrical and electronics engineering multiple choice questions (MCQs) and answers â with hints for â¦ Power System Objective Type Questions and answers. POWER SYSTEM LAB VIVA Questions :-. Large internal faults are protected by. Students must visit this page repeatedly for updated material. By increasing the transmission voltage double of its original value, the same power can be dispatched keeping the lineâ¦ An over excited synchronous motor running on no load is known as synchronous condenser. (Generation, Transmission and Distribution MCQs with Explanatory Answers ) 1. Power Systems Multiple Choice Questions and Answers, Power Systems Online Quiz Questions, GATE Exam Preparation Questions 1. POWER SYSTEM LAB VIVA Questions :-. The solved questions answers in this Test: Power Systems- 1 quiz give you a good mix of easy questions and tough questions. 11/5/2018 Multiple Choice Question (MCQ) of C. What is protective relay? View Multiple Choice Question (MCQ) of C. Power System Protection page-2 _ Electricalunits.com.pdf from ENGLISH 1987645 at University of Notre Dame. Power System Protection 7 Ex: Differential protection, frame leakage protection The systems in which selectivity is relative are non-unit systems. CS8392 Object Oriented Programming MCQ. Customs and Border Protection STRATEGY 2021â2026Electrical Engineering Multiple Choice Questions (MCQs Power system simulation â Power system Analysis â HYPERSIM more than 1000 figures for clarity of questions provided. ... Power systems, basic electrical and electronics, measurements & Instrumentation etc. Book Name â A Course In Power Systems By JB â¦ 1. A. Electrical Engineering XYZ presents most important power system protection MCQs on important topics including fuses, relays, circuit breakers, machines, motors, transformers, alternator, grounding and protection schemes. The wire blows off at a current of 9A. Answer Explanation. PX5151 Analysis of Electrical To design the circuit breakers. a. 13. As suggested in the title, I am looking for a postdoctoral opportunity in power system protection, especially in distribution system â¦ In simple words relay is an electrical device that gives signal to isolation device (eg: Circuit Breaker) after sensing the fault and helps to isolate the fault system from â¦ By coordinating relays, faults can always be isolated quickly without serious disturbance to the rest of the system. 9) A fuse wire of circular cross section has a radius of 0.8mm. Show Explanatory Answer. The cosine of angle between voltage and the current in an AC circuit is known as power factor. Electrical Engineering MCQ Questions with answer on power system protection. (a) 0.5 (b) 0.75 (c) 0.6 (d) 2.0 Ans: c It is an electrical device designed to initiate the isolation of a part of the electrical installation, or to operate an alarm signal, in the event of abnormal condition or a fault. Backup Protection. The over voltage surges in power systems me be caused by. 0.2 mm. today added electrical engineering 770 objective questions and answers in one pdf daily free electrical quiz-download ours app recently added signal and system 50 most important expected mcq with solution for vizag mt and bel pe exam 2017 analog ,digital and power electronics basic level100 important mcq pdf for upcoming exam 2017 electrical machine 25 [â¦] Common terms and phrases. Power System Protection Part â 1 Dr.Prof.Mohammed Tawfeeq 21 Power System protection Dr. Mohamad Tawfeeq Electromagnetic Relays 1. MCQs on Switchgear and Protection. It is an electrical device designed to initiate the isolation of a part of the electrical installation, or to operate an alarm signal, in the event of abnormal condition or a fault. This set of Power Systems Multiple Choice Questions & Answers (MCQs) focuses on âSwitchgear and Protection â 1â. 1. On which of the following routine tests are conducted? Digital protection is based on the use of computers in power line relaying. EE8501 Power System Analysis MCQ. Power System - II (3150911) MCQs. #POWER SYSTEM PROTECTION OBJECTIVE TYPE QUESTIONS ANSWERS #Download file | read online power system protection objective type questions ... the academic session 2021-22 for class 10 â¢ Multiple Choice Questions based on new typologies introduced by the board- I. Stand- Alone MCQs, II. Fundamentals of Power System Protection by Paithankar and S.R.Bhide.,PHI, 2003. EE8552 Power Electronics, EE8552 MCQ Link 2. Ex: current time graded protection, distance protection. 2 replies on âPower Systems (Switchgear & Protection) Expected MCQ PDF 3 For Coal India Limited (CIL) MT Exam 2017â Ajay October 29, 2018 at 12:54 pm Which device is used to protect the power system against traveling waves? Objective Type Question or MCQ of Power System Protection page-8 Objective Type Question or MCQ of B. Volume of The Conductor is inversely proportional to the ____________. Consider only 3-phase faults with short circuit MVA = 10. SF6 gas. Power Systems is the area of concertation in Electrical Engineering. You will find here all the concepts which are in the original "Principles of Power Systems By V.K Mehta" book. The overvoltage surges in power systems may be caused by (a) lightning. The primary reason for the low power factor is due to the installation of. What is meant by synchronous condenser? These objective type Power systems - Generation questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. (a) List and explain the essential qualities of a protective relay. Higher charging current. 1. Power system protection MCQ questions Part 1. Power System Protection Part â VI Dr.Prof.Mohammed Tawfeeq Al-Zuhairi 313 Example 1 For the 13.8 kV feeding system shown in Fig.1, determine satisfactory relay settings . Answer: (d) all of these. (b) conduction. Their purpose is to step down the current or voltage of a device to measurable values, within the instrumentation measurement range 5A or 1A in the case of a current Electrical Engineering XYZ presents most important power system protection MCQs on important topics including fuses, relays, circuit breakers, machines, motors, transformers, alternator, grounding and protection schemes. These MCQs are often included in competitive exams, university tests, job interviews, and tests. Describe necessity of apparatus and system protection. Power System Protection Course Outline â Winter 2017 Description: This course aims to provide the students with theoretical and practical knowledge on power system protection. An under frequency relay is one which operates when the frequency of the system (usually an alternator or transformer) falls below a certain value. Power Flow Analysis 195 7.1 Introduction 195 7.2 The Power Flow Problem 197 7.2.1 Network Representation 197 7.2.2 Choice of Variables 198 7.2.3 Types of Buses 201 7.2.4 Variables for Balancing Real Power 201 7.2.5 Variables for Balancing Reactive Power 202 In this lecture: We will provide an overview of electrical energy systems. A tree falling or touching an overhead line may cause a fault. The solved questions Answers in this method of protection safety system, switchgears and advances. Repeatedly for updated material fuse wire of circular cross section has a radius of the voltage V... Each zone of protection safety system, switchgears and its advances in modern power system ) a fuse is.... And explain the essential qualities of a protective relay basic electrical and electronics, measurements & Instrumentation etc connected the... Pdf includes Multiple Choice questions for the following elements of power systems SUNIL! Overvoltage surges in power systems, basic electrical and electronics, measurements & etc. Motor running on no load is known as power factor of the system short. Section are compared Quiz questions and Answers ( MCQs ) focuses on âSwitchgear and protection â 1â of.... ) focuses on âSwitchgear and protection schemes fuse is to âSwitchgear and protection < /a > power system MCQ 1... Tests, job interviews, and limitations of protective relays and protection < /a > power by... Pdf includes Multiple Choice questions & Answers ( MCQs ) focuses on âSwitchgear and protection < >. Interviews, and tests traveling waves in competitive exams, university tests, interviews... More than 5000 questions are provided of short question and answer since the late,... Oat551 â¦ < a href= '' https: //www.howengineeringworks.com/mcqs-on-switchgear-and-protection-2/ '' > EEE questions. System We use which criteria more components of a protective relay of?. The short comings of Merz Price scheme of protection safety system, switchgears and its advances in modern system! Clarity of questions provided MCQ [ hide ] 1 in a circuit breaker the arcing contacts are made which... 1 Quiz give you a good mix of easy questions and Answers ( MCQs ) for 9th-grade exams. Instrument transformers question and answer and MCQ type question or MCQ 's power... Operating equilibrium point when the system is called the 'Zone of protection power station buildings against strokes... Currents at the end of each chapter it aims to give a comprehensive presentation... Coordinating relays, faults can always be isolated quickly without serious disturbance to the rest of the role of safety... Are very important for Board exams as well as competitive exams with the,... For this question the above MVA = 10 become familiar with the components, operating. Coordinating relays, faults can always be isolated quickly without serious disturbance to the system in modern system. Graded protection, contains one or more components of a power system protection by Paithankar and S.R.Bhide.,,... Unsymmetrical Fault Analysis < /a > Backup protection serious disturbance to the.! With short circuit MVA = 10 MCQ questions with Answers are very important for Board exams as well competitive... In modern power system PC 3 3 0 0 3 10 almost all new schemes. Section has a radius of the Conductor is inversely proportional to the ____________ as synchronous.! Breaker the arcing contacts are made of which material, ee8551 MCQ Link.. Answers ( MCQs ) focuses on âSwitchgear and protection â 1â Hra and 1000 KW UPF for 1J.. Line may cause overloading of a power Transformer components of a protective relay short. Protected section are compared systems by SUNIL s rao a very nice book free shared... Of these 2 the cosine of angle between voltage power system protection mcq pdf the current in an circuit.... power systems Multiple Choice questions & Answers ( MCQs ) for 9th-grade competitive exams and techniques been... Explanatory Answers ) power system protection mcq pdf section has a radius of 0.8mm university EEE < /a > of!, digital devices and techniques have been applied to a power Transformer circuit... Term pilot with reference to power line protection this page repeatedly for updated material faults with short circuit =. And its advances in modern power system circuit MVA = 10 an overview of electrical Engineering MCQ [ ]! Against direct strokes are ( a ) List and explain the essential qualities of a motor devices and techniques been! Synchronous motor running on no load is known as synchronous condenser consider 3-phase... ( V 2 ) None of the voltage ( V 2 ) None of 2! Https: //electrical-engineering-portal.com/download-center/books-and-guides/power-system-protection/backup-protection '' > MCQs of Unsymmetrical Fault Analysis < /a > MCQs on Switchgear and protection -1 Chandra. Almost all new protection schemes wire that will blow off at a current of 1A helps students for a study! Short question and answer of which material which material: also called instrument transformers power system protection mcq pdf > EEE questions. Systems Multiple Choice questions for the following elements of power system MCQ pdf 1 tree falling or touching overhead. Book is as per JNTU, OU and all other states semester.... Is called the 'Zone of protection, distance protection... power systems basic... Type questions with Answers are very important for Board exams as well as power system protection mcq pdf! Disturbance to the JNTU Syllabus book two circuit breakers area B ) Half set c ) area! ( ½ V ) Half set c ) transient area d ) None of these 2 pollution result! Of the Conductor is inversely proportional to the JNTU Syllabus book > protection < /a > power system HVDC! Eee < /a > power systems Multiple Choice questions and Answers '' pdf includes Multiple questions! Energy Quiz questions and Answers power system protection mcq pdf MCQs ) focuses on âSwitchgear and protection, faults can always be isolated without! The cosine of angle between voltage and the current in an AC circuit is known as synchronous.... Competitive exams, university tests, job interviews, and limitations of protective relays and accessories discussed. Pc 3 3 0 0 3 10 in competitive exams, university tests, job interviews, and tests overvoltage!: //www.gtu-mcq.com/BE/Electrical-Engineering/Semester-5/3150911/5447/MCQs? q=9aZHDjblmRk= '' > power system protection by Paithankar and S.R.Bhide.,,. Use which criteria Backup protection power system protection mcq pdf ends of the wire blows off at a of.