Previous Article Why Starting Current of Induction Motor is High . Cybersecurity refers to the protection of internet-connected systems such as software, hardware, electronic data, etc., from cyber attacks. Electrical Engineering interview questions and answers: Part 1 Part 2 Part 3 Part 4 Part 5 Part 6. Great Manager Awards. Using Fuse we can protect the power supply against over current. Home » Power System Protection and Relays Questions & Answers. c. Possibility of causing fire hazards. What is a System? either by direct strokes on the equipment or by the strokes on the transmission lines that reach the equipment as travelling waves. Electrical Q & A. Power Systems (Switchgear & Protection) Expected MCQ PDF 1 For Coal India Limited (CIL) MT Exam 2017 . Need periodical replacement. This year, POWER was named the number 3 firm in the power … Answer: Eletro-mechanical relays operate by two principles. ET Power Talks. Power transformers generally operate at nearly full – load. Electrical Power System Interview Questions ; Question 16. We have to … This is starting question and the interviewer will go in depth in each section. The lightning surges may cause serious damage to the expensive equipments in the power system (e.g. Switchgear and Protection - Electrical Engineering (MCQ) questions and answers Home >> Category >> Electrical Engineering (MCQ) questions and answers >> Switchgear and Protection 1) In a circuit breaker the contact space is ionised by what? Obviously the distributor is fed at one end only i.e. Review a list of frequently asked Electrical interview questions for electrical graduates. Questions (27) ... Power System Protection. Frequently asked interview questions with answers under the subjects like electrical machines,Transmission and distribution,Power electronics and some general basic questions. What is fault clearance time? 5. Learn what a Power System is, and the basics of Electrical Power Systems. Q2) What is Cryptography? d. … Please click on the Red Plus Icon to know the answer. The circuit has an A phase to ground fault on the line, with fault current magnitude of 9000 A. An example of a Power System is the Electrical Grid that provides power to homes and industry within an extended area. Q. It has to be ideally … Power System Protection and Relays Questions & Answers . Explore the latest questions and answers in Power System Planning, and find Power System Planning experts. What Is Called Mobile Substation? Ring main feeder system. means according to ups VA it gives backup. Kuwait Society Of Engineers 2018 Fundamentals of Electrical Circuits: - Circuit variables and elements - Circuit laws and simple resistive circuits - Inductance and Capacitance - … Electrical Power System Interview Questions ; Question 24. I was interviewed by two persons. I A 75 A I B 0 A I A. Next Page . How to answer. Highly-cited researchers. Interview. We have planned to give you 100 Interview Questions on Power Transformer. By . Therefore, breaker should be able to carry high current safely for some for some specified period during running i.e. This interview question for technical support tests your knowledge and if you updated with the latest technological trends. We will go on adding questions, till we reach 100 and may be we will add more than 100. Overfluxing protection is recommended for (a) distribution transformer (b) generator transformer of the power plant (c) auto-transformer of the power plant (d) station transformer of the power plant Ans: b. 13. Business News › Jobs › 13 interview questions that can decide your future. Aside from the fact that most of these are silly questions for a technical job interview, the answer provided to your second question is just plain wrong. A distribution transformer may have one primary and one divided or “Tapped” secondary, or two or more secondaries. 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 engineering exams. I was asked a number of questions from more basics such as frequency of electricity network in the UK to more daunting like loosing a big generation in the network and the available time to act (with regard to system's inertia). In this topic you will find the most common Questions and the Model Answers that you may expose to in your Interview for a Planning Engineer Position. These questions are basics and any candidate should possess basic knowledge of these aspects. Cyber Security Interview Questions and Answers Q1) Define Cybersecurity? Ans. Answer : The substation, which is created for temporary requirements of mainly construction purposes, is called mobile substation. ETRise Top MSMEs. Describe the skills and competencies that make you a perfect fit for the role, advises Kim Whitfield, head of resourcing at M&S. Electrical Safety - Power System . [2] How to provide Over current protection in a power supply? In India, industry uses 415 Volts 3 phase AC power at 50 Hz. SECTIONS. 83. Each year, ENR ranks the top 500 design firms in the United States based on annual revenues. Ans : In the power system sometimes a very temporary nature of fault persists for a short period of 2 or 3 seconds and after which the fault is automatically cleared. What are different types of principles of operation of electro-mechaical relays? Why AC systems are preferred over DC systems? The power system is responsible for the production of electricity with the help of energy such as coal and diesel. In a computing text, it is referred to as protection against unauthorized access. 3 Electrical machines and Power Systems 8 or 9 questions 4 Electronics 8 or 9 questions 5 Fundamentals of Communication 8 or 9 questions 6 Control System Fundamentals 8 or 9 questions Total 50 questions. Low power factor means losses will be is the ratio of true power to apparent power. POWER ranks among nation’s top design firms Leading industry magazine Engineering News-Record has ranked POWER Engineers Incorporated (POWER) among the top 100 engineering design firms in the country for the 15th year in a row. ET Prime Women Leadership Awards. Answer: Relay time is the interval between the occurrence of the fault and the closure of the relay contacts is called relay time. Electrical Engineering Interview Questions ; Question 25. POWER-SYSTEM PROTECTION 15.3 2. Power System Protection Interview Questions 2; Answer: The relays are connected to the power system through the current transformer (CT) or potential transformer (PT). This is most general interview question related to power supply. generators, transformers etc.) 2. Next Article Transformers Questions … Device drivers are also a piece of software that considered mandatory to run the hardware components in the system. SAS Interview Questions; Computer System Analyst (Software) Interview Questions; DATA ANALYTICS :- More Interview Questions; Business Intelligence. Figure shows a single line diagram of a radial system for a DC distribution where a feeder OC supplies a distributor AB at a point A. 1) What is / are the main disadvantage of using oil as the quenching medium in the circuit breakers? Power System Protection and Relays 2 What is Relay Time? online ups having high volt and amp for long time backup with with high dc voltage.but ups start with 12v dc with 7 amp. … 1. Open Up India. Interview question for Management Trainee in Greater Noida.basic questions from power electronics, power system protection and machines Here For You During COVID-19 NEW! BPO & … As with all challenging interview questions, an employer will observe your voice and body language, since they’ll indicate how well you cope under pressure. Differential protection is based on the fact that any fault within an electrical equipment would cause the current entering it, to be different, from that leaving it. 84. The power system consists of a three-stage network – generation, distribution, and transmission. Question #1. To maintain continuity of supply the breaker should not trip in such condition. b. 13 interview questions that can decide your future. And electrical engineering & electronics engineering ?
Answer:uninterrupt power supply is mainly use for short time . Name the latest computer processors? “B” is supplied from a three-wire with two ungrounded conductors and one neutral without any metallic water pipe or other metal equipment connections to the building or equipment ground fault protection installed. Electrical Engineering Objective Questions MCQ with Answer Free Pdf Download. How can you relate power engineering with electrical engineering? Planning Engineer team reviewed questions and answers to remove duplicated ones, added more explanations and graphs to the answers, and produce the final product in a good shape.