Trivia Questions, Electrical Installation Questions! Write all answers in the Examination Answer Booklet provided. c) Both (a) and (b) above Dear Readers, Welcome to Power systems - Generation multiple choice questions and answers with explanation. d) Fuses Power System Protection — ENEE. Power System Protection and Relays Questions & Answers. c) Insulators Non Stop EE Question Marathon -I. 1.In a circuit breaker, are is initiated by the process of, a) Thermal emission The correct answer is: b) False. Which of the following circuit breaker is generally used in applications in railways? STUDY. Power System Protection 2. Reactance relay is normally preferred for protection against: If the fault current is 2000 amps, the relay setting is 50% and the C.T. Which drawing represents a Under Current Relay? c) Free electrons are always present in the semiconductor. MySafetySign.com has designed a free quiz to determine if you’re trained well for Electrical Safety PPE. Offered by University at Buffalo. Which drawing represents a Overcurrent (Non-Directional) Relay? d) Tungsten c) Water Actually circuit breaker isolates the faulty system from rest of the healthy system and these circuit breakers automatically open during fault condition due to its trip signal which comes from protection relay. a) Majority carriers d) Inner and bound electrons are always present in the semiconductor. Trivia Quiz. Closes fuel shutoff, closes hydraulic shutoff, disconnects the generator field, and arms the fire-extinguishing system. Multiple Choice Question (MCQ) of Electronics page-17:241. Power Quality Quiz Questions Answers) Search for: Related Pages. C. Both A and B Your Comments. The test contains all the topics related to the stream. d) SF6 circuit breaker Objective Type Question or MCQ of Power System Protection page-2. Basic measurement quizes; Curiosity Questions; Quizzes and Tests; Electrical paathshala 2; About; Contact Which drawing represents a Pilot Wire  Relay? Basic Control system; Electronic measurement and Instruments. d) None of these c) Recovery voltage b) Conductors 700 apply to the installation of emergency systems. What is not a possible zone of protection in a power system? Power Quality Quiz Questions. Power Quality Quiz Questions. How many protection zones are possible in a power system? 3. The conduction in JEFT is always by the Quiz: Are You A True Star Wars Series Fan? b) Bound electrons are always present in the semiconductor. The alternate source for emergency systems shall have ground-fault protection of equipment. B. Post on: April 25, 2016 . Can You Pass This Basic World History Quiz? Which drawing represents a Differential Relay? Preview this quiz on Quizizz. The materials whose electrical conductivity is usually less than 1 × 106 mho/m are And the best part: the quizzes are free! The purpose of a differential relay on a transformer is to. The next step is protection, with surge elimination and power conditioning equipment that can prevent these issues from reaching the system. b) Minimum oil circuit breaker Objective Type Question or MCQ of Power System Protection page-1. By offering this quiz free of charge, we hope that people will enter a confined space with more knowledge than they previously had of … Which of the following terms describes the time lapse before the surge protection begins, or how much time elapses between detection and protection? 1.8 Various Power System Elements That Need Protection 23 1.9 Various Principles of Power System Protection 23 Reuiew Questions 24 Problems 25 2 OVER-CURRENT PROTECTION OF TRANSMISSION LINES 26-56 2.1 Introduction 26 2 2 Fuse 26 2.3 Thermal Relays 27 2.4 0; er-current Relay 28 2.4.1 Instantaneous OC Relay 29 The protection is organized to provide a ring of security around each and every element of power system. Share. 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Bulk oil circuit breaker is suitable for voltages upto. Ans: (a), a) Restriking voltage What is protective relay? c) The saturation voltage VCE for silicon transistor is same as that for germanium. STUDY. In case of ring main feeder protection . Try this amazing Relays And System Protection quiz which has been attempted 719 times by avid quiz takers. Search for: Menu What is the Power plant or Power Station? Specially developed for the Electrical Engineering … Hindi Electrical Engineering. If there is any fault associated within the ring the relays associated with it must trip all the allied circuit breakers so as to remove any faulty element from rest of the power system. Faults. 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. A. 2. What Are Internal And External Faults? Explain under-reaching protection. The domains of power system where directional overcurrent relay is indispensable are . This course familiarizes you with standards and policies of the electric utility industry, and provides you with basic vocabulary used in the business. 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. Economics of Operation page-5, Objective Type Question or MCQ of B. d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. C. Surge problem. Protection and Control of Modern Power Systems is an international academic journal co-published by Power System Protection and Control Press and Springer. Ankit Goyal. d) None of these Objective Type Question or MCQ of Power System Protection page-2. See answer and applicable Code reference. Link to paper: D. Whitehead and N. Fischer, "Advanced Commercial Power System Protection Practices Applied to Naval Medium Voltage Power Systems," IEEE Electric Ship Technologies Symposium, July 2005 (this takes you to the SEL web site, free registration may be required) Link to paper: R. Lavorin, D. Example: Question 2 (a). Power Systems MCQ Series 1 Instrumentation Tools assists you with a complete guide of objective questions which mainly targets the aspirants of Electrical, Electronics and Instrumentation engineering Streams to crack the competitive exams and to prepare for the top MNC companies written tests. What types of relay takes longer to detect a fault that is further away along the line? Economics of Operation page-6, Objective Type Question or MCQ of B. Power Quality and Protection DRAFT. b) Arc extinguishers Also explore over 60 similar quizzes in this category. d) Circuits to break the system b) Switching condition only C. Both A and B. D. None of the above View Answer. Mho relay is normally used for the protection of: This value is the determinant as to how long a short circuit will remain on a circuit, if uninterrupted by an overcurrent protective device. Basic Power system quiz; Switchgear & Protection Quiz; Electrical machine quiz. Ans: (c), a) Bulk oil circuit breaker PLAY. c) Holes a) Inner electrons are always present in the semiconductor. System protection is the art and science of detecting problems with power system components and isolating these components. ... to cause the prompt removal from service of any element of a power system when it suffers a short circuit, or when it starts to operate in an abnormal manner that might cause damage or otherwise interfere with the effective operation of the rest of the system ... Wireless Final Quiz. C. Both A and B Your Comments. d) None of these Ans: (c), a) Aluminium Watch Now. Economics of Operation page-3, Objective Type Question or MCQ of B. Multiple Choice Question (MCQ) of Electronics page-16:226. Similar Classes. Part VI of this Article covers the overcurrent protection requirements for these systems. Power Quality Quiz Questions Answers) Search for: Related Pages. c) Field emission Descriptions of … b) Minority carriers Ans: (d), a) Circuit power factor only *b. The domains of power system where directional overcurrent relay is indispensable are . Electrical machine quiz; Control system quiz. 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. Faults that occur within the zone are termed as Internal … 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.