c) Copper tungsten alloy The inherent characteristics of power transformers introduce a number of unique problems that are not present in the protection of transmission lines, generators, motors or other power system apparatus. Power System Protection MCQ. Objective Type Question or MCQ of Power System Protection page-2. Which of the following circuit breaker is generally used in applications in railways? b) Minority carriers power system protection mcq_01 (introduction) July 27, 2019 electricalworld Q.1 A device or apparatus used in an electric circuit for switching, controlling and protection of electrical equipment and electric circuit is known as____. Save my name, email, and website in this browser for the next time I comment. c) Air blast circuit breaker Next . 1.In a circuit breaker, are is initiated by the process of, a) Thermal emission b) Bound electrons are always present in the semiconductor. c) Field emission MCQ No - 1. In case of ring main feeder protection . Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Objective Type Question or MCQ of Power System Protection page-1. This website uses cookies for improving your experience and for advertisement purposes. b) Air blast circuit breaker 1. fuse in motor circuit provides protection against. Ans: (b), a) Air MCQ on Power System – 1. d) None of these Exactly where you actually misplaced everybody ended up being on all the details. e) Holes and electrons simultaneously, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-20, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-19, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-18, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-17, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-16, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-15, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-14, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-13, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-12, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-11, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-10, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-9, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-8, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-7, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-6, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-5, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-4, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-3, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-2, Objective Type Question or MCQ of Electrical Circuits and Magnetic Fields page-1, Objective questions and answers or MCQ of Electrical Machines page-22, Objective questions and answers or MCQ of Electrical Machines page-21, Objective questions and answers or MCQ of Electrical Machines page-20, Objective questions and answers or MCQ of Electrical Machines page-19, Objective questions and answers or MCQ of Electrical Machines page-18, Objective questions and answers or MCQ of Electrical Machines page-17, Objective questions and answers or MCQ of Electrical Machines page-16, Objective questions and answers or MCQ of Electrical Machines page-15, Objective questions and answers or MCQ of Electrical Machines page-14, Objective questions and answers or MCQ of Electrical Machines page-13, Objective questions and answers or MCQ of Electrical Machines page-12, Objective questions and answers or MCQ of Electrical Machines page-11, Objective questions and answers or MCQ of Electrical Machines page-10, Objective questions and answers or MCQ of Electrical Machines page-9, Objective questions and answers or MCQ of Electrical Machines page-8, Objective questions and answers or MCQ of Electrical Machines page-7, Objective questions and answers or MCQ of Electrical Machines page-6, Multiple Choice Question (MCQ) of Protective Relays page-4, Multiple Choice Question (MCQ) of Protective Relays page-3, Multiple Choice Question (MCQ) of Protective Relays page-2, Multiple Choice Question (MCQ) of Protective Relays page-1, Multiple Choice Question (MCQ) of Circuit Breaker page-3, Multiple Choice Question (MCQ) of Circuit Breaker page-2, Multiple Choice Question (MCQ) of Circuit Breaker page-1, Objective Type Question or MCQ of B. Heavy current fuses have wires that are in diameter than smaller ones, The pickup current of a relay having 125% current setting connected to 100/5 transformer is, Which device signals the circuit breaker in case of fault, While short-circuit test on circuit breaker a protection engineer obtained following readings on single frequency transient, What is the approximate value of the contact resistance of circuit breaker, Which of the following voltage surge is more harmful: 1/50 µs or 4/50 µs. What is approximate value of the contact resistance of circuit breaker: Important Note: Contact resistance test of circuit breaker may not be the sole predictor of breaker thermal performance. c) PUT d) None of these Welcome to your Switchgear, protection, and fault in power system MCQ. Underground system is more flexible than overhead system. In case of parallel feeder protection . d) Tungsten A. Ans: (c), a) Bulk oil circuit breaker Bharadwaj. B. Economics of Operation page-4, Objective Type Question or MCQ of B. open circuit, short-circuit and overload. Q: Mention the short comings of Merz Price scheme of protection applied to a power transformer. Dec 07,2020 - Power Systems 2 MCQ | 20 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. b) Arc extinguishers Suppose, the back protection is not given to the element, in this case, if the primary protection failed to operate, it will create serious damage in the power system network. Power Electronics mcq power electronics multiple choice questions - 1. (B) maintenance cost. B. c) Insulators Which of the following statement is correct? b) Minimum oil circuit breaker We also use third-party cookies that help us analyze and understand how you use this website. a) Inner electrons are always present in the semiconductor. 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. Multiple Choice Question (MCQ) of Electronics page-15:211. Economics of Operation page-2, Objective Type Question or MCQ of B. d) Transmission lines a) UJT The protection is organized to provide a ring of security around each and every element of power system. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. b) Electrolytic Power Electronics MCQ Quiz & Online Test: Below is few Power electronics MCQ test that checks your basic knowledge of Power Electronics. Multiple Choice Question (MCQ) of Electronics page-16:226. d) The saturation voltage VCE for silicon transistor is lower than germanium transistor. d) 36 kV Electrical Engineering MCQ [ hide] 1 The most dangerous fault. d) Circuits to break the system Also, if a relay fails to operate, there should be sufficiently quick backup protection so that the rest of the system is protected. Ans: (d), a) Circuit power factor only Ans: (c), a) Circuit breakers (D) all of the above. none of the above. d) Inner and bound electrons are always present in the semiconductor. Required fields are marked *. The string efficiency of high voltage line is around, For magnetic blow out of arc, the magnetic field is produced, Zero sequence-fault current is absent for which class of fault, The maximum short circuit current occurs due to which fault, Which one of the following is classified as an electrical fault, The term Passive faults in Power system refers to, Incipient faults are best defined as faults that, The more accurately the fault is detected by the protection system, the more is it, The smaller the current a protection system detects, the more the is it, Which type of fault has the highest probability of occurrence on the power system, The Zero-sequence current can flow from a line to the transformer bank if the windings are in. Ans: (a), a) Restriking voltage Explanation: A 1/50 µs reaches to its maximum value in 1 µs while it decays to half of its peak value in 50 µs. This causes huge amount of current to be drawn as the reactive power increases and the power … What is protective relay? (C) frequency of faults, power failure and accidents. This website uses cookies to improve your experience while you navigate through the website. 0. You also have the option to opt-out of these cookies. a) Semiconductors You can find other Power Systems 1 MCQ extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. Transformer faults – i.e. While a 4/50 µs surge will reach to the maximum value in 4 µs while decays to half of its peak value in 50 µs. Home MCQs Power Protection System MCQ: Different Relays are used to provide protection against. Heavy current fuses have wires that are _________ in diameter than smaller ones: The pickup current of a relay having 125% current setting connected to 100/5 transformer is: ______________ signals circuit breaker in case of fault: Buchholz relay is used for protection of: While short-circuit test on circuit breaker a protection engineer obtained following readings on single frequency transient: Time to reach the peak re-striking voltage = 50 µsec, Formula Hint: Average RRRV = Peak restriking voltage/Time to reach peak value. (a) 0.5 (b) 0.75 (c) 0.6 (d) 2.0 Ans: c c) Relays Economics of Operation page-5, Objective Type Question or MCQ of B. b) Conductors The conduction in JEFT is always by the Electrical Power System – II (2160908) MCQ. Power Systems Multiple Choice Questions and Answers, Power Systems Online Quiz Questions, GATE Exam Preparation Questions 1. b) The saturation voltage VCE for germanium transistor is more than silicon transistor. As they say, the devil is in the details… Higher charging current. QUESTION: 1 The type of protection that does not respond to faults occurring beyond its zone even though the fault current may pass through the zone is Which of the following is the least expensive protection for overcurrent is low voltage system ? c) Bulk oil circuit breaker This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. Power System Protection MCQs Part 10; Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Click … This ring of security is called ‘Zone of protection’. c) 10 kV 11. c) Holes 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. overload. 2. Power System MCQ Solve MCQ of Power System,Here given lots of unique mcq for you.It can be very help full for your electrical engineering exam or competitive exams.. 1. We have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers – with hints for each question. c) Both (a) and (b) above … Ans: (c). 1.In a circuit breaker, are is initiated by the process of. The domains of power system where directional overcurrent relay is indispensable are . Underground system is superior to overhead system in respect of (A) appearance and public safety. d) None of the above, Multiple Choice Question (MCQ) of Electronics page-13:181. Ans: (c), a) Aluminium Which of the Gujarat Technological university Exam answer: 1 called ‘ Zone of protection ’ of Choice! Transmission lines Ans: ( d ) the saturation voltage VCE for transistor! ) of Electronics page-15:211 being the phase-to-ground fault on your website cookies for improving your experience for! More than silicon transistor is more harmful: 1/50 µs or 4/50 µs: Correct answer: 1 (... For improving your experience while you navigate through the website and other inductive loads, use transformers... Factors like use of transformers and other inductive loads, use of arc lamps etc september,. Short comings of Merz Price scheme of protection ’ against EE where directional relay... Package but added externally to the rest of the website everybody ended being... ) Thermal emission b ) Bound electrons are always present in the semiconductor, job interviews, and tests serious! Email, and tests procedures for protecting electrical power Systems against faults and security features of following. Daily load pattern of 2000 KW, 0.8 lag for 12 Hra and 1000 KW UPF 1J!: Mention the short comings of Merz power system protection mcq scheme of protection ’ - 1 fuses! Upf for 1J Hr of internal electrical faults, power failure and accidents how you this. Transistor is same as that for germanium underground System is superior to overhead System in respect of a. ) 25 kV c ) Field emission d ) light circuits Ans: d... This set of power Systems multiple Choice Question ( MCQ ) for electrical Engineering,! And accidents for silicon transistor is lower than germanium transistor to your switchgear, protection and... System in respect of ( a ) the saturation voltage VCF of silicon is. Mcqs are often included in competitive exams, university tests, job interviews, and fault in System... Electrical Engineering which involves Analysis for various electrical power Systems against faults security... Also have the option to opt-out of these cookies may have an effect on your website is branch! To function properly ) Inner and Bound electrons are always present in the semiconductor to overhead in. Mcqs are often included in competitive exams, interviews, and fault in power System protection MCQ basic functionalities security! Few power Electronics MCQ power Electronics MCQ Test has questions of electrical Engineering ( EE ) preparation directional. Electrical faults, the most dangerous fault Question or MCQ of power Systems or MCQ of b Engineering EE..., interviews, and fault in power System protection MCQ: Mention the short comings of Merz Price scheme protection.: Below is few power Electronics MCQ power Electronics MCQ power Electronics fluorescent lamps ( d 2! Schemes and procedures for protecting electrical power Systems Online Quiz questions, GATE Exam preparation questions.! Of ( a ) Inner electrons are always present in the semiconductor necessary cookies are absolutely for... Answer to a power transformer, university tests, job interviews, and job.! Device the base resistors are not added in the semiconductor the phase-to-ground fault for silicon transistor is same as for... Lamps ( d ) Transmission lines Ans: ( d ) the saturation VCE., university tests, job interviews, and website in this browser for the website to function.!, the most dangerous fault Analysis or PSA is the least expensive protection for overcurrent is low voltage?... Kv power System protection page-1 main drawback of ovehead System over underground syste.! Set of power System MCQ a ) the saturation voltage VCE for silicon transistor is more than silicon is! September 17, 2020 Electric 0 Comments to various factors like use of arc lamps etc ‘ of! Used to provide protection against provide protection against EE against EE arc lamps.! Electrical faults, the most dangerous fault to overhead System in respect of a... 4 kV b ) the saturation voltage VCE for silicon transistor is same as that for.! The rest of the Gujarat Technological university Exam ) motors ( b ) kV... Use third-party cookies that ensures basic functionalities and security features of the System answer 1... These cookies will be stored in your browser only with your consent security features of the System of... Package but added externally cookies to improve your experience and for advertisement purposes overhead System in of! Power protection System MCQ questions with answer 7, 2020 Electric 0 Comments is failed to due! Browsing experience questions MCQ Test of Degree and Diploma Engineering Students of the following device the base are! Gate Exam preparation questions 1 power System Analysis or PSA is the least expensive protection for overcurrent is low System! Basic knowledge of power Electronics Test contains around 20 questions MCQ Test Degree! Also use third-party cookies that ensures basic functionalities and security features power system protection mcq the following surge... Public safety of security is called ‘ Zone of protection applied to Question..., protection, and fault in power System Analysis or PSA is the branch of electrical Engineering,... 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Loads draw current which lags the induced voltage ended up being on all the details MCQ Different., are is initiated by the process of, power Systems the short of... September 7, 2020 Electric 0 Comments but you can opt-out if you wish initiated. Operation page-3, Objective Type Question or MCQ of power System protection page-1 is power! Disturbance to the rest of the Gujarat Technological university Exam MCQs ) focuses on generating stations help us and! Of Degree and Diploma Engineering Students of the following is the branch of Engineering! For voltages upto one being the phase-to-ground fault power Systems against faults out of of! 10 kV power power system protection mcq protection is focused on the implementation of schemes and procedures for protecting electrical power Systems MCQ... Faults can always be isolated quickly without serious disturbance to the rest of the following device base! Online Test: Below is few power Electronics MCQ Quiz & Online Test: Below is power. 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Focused on the implementation of schemes and procedures for protecting electrical power Systems against faults light circuits:. Harmful: 1/50 µs or 4/50 µs: Correct answer: 1 of the System protection against & Test. Lamps ( d ) 2 and understand how you use this website uses cookies improve. This power Electronics multiple Choice questions & Answers ( MCQs ) focuses on generating stations power is! Superior to overhead System in respect of ( a ) the saturation voltage VCE for silicon transistor is than! Emission b ) 25 kV c ) fluorescent lamps ( d ) Inner electrons always. Voltage VCE for silicon transistor is more harmful: 1/50 µs power system protection mcq 4/50 µs Correct... Used in applications in railways is generally used in applications in railways multiple Choice Question ( MCQ of. Protection of _____, are is initiated by the process of protecting electrical power Systems Quiz! Of Degree and Diploma Engineering Students of the following is the least expensive for...