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Minimize energy cost Circuits and Practical Electric Circuitry. These short objective type questions with answers are very important for Board exams as well as competitive exams. According to the American Standards Association, a relay that does not contain any armature or any rotating material, but produces the desired stimulus without solid motion magnetic or any other material, is called a static relay. A. Power System Protection. Timing relays are arranged for an intentional delay in operating their contacts. There is a chance of leakage current about few μA to mA in SSR relay while the value of leak current is Zero (0) in EMR. Static Relay. Computer Architecture MCQ DBMS MCQ Networking MCQ. The impedance relay has a circular characteristic centered at the origin of the R-X diagram. There are explanations for some of the questions after you submit the … To understand simply it is like a brain in our human body, when the brain gives the sense the body parts are operate to do any work. B. That means open contacts become closed and closed contacts … Directional relays are based on flow of (a) power (b) current (c) voltage wave (d) all of the above Ans: a. Microprocessor relay belongs to which class of relays: Electromechanical relay Analog Static relay Digital Static relay None of these Correct answer: 3. 5.The static relay for differential protection should reach up to saturation point at _____. Static relay: The relay which does not contain any moving parts is known as the static relay. Cost Accounting Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (Cost Accounting Quick Study Guide & Course Review) - Ebook written by Arshad Iqbal. Solid State Relay (Static Relay) is an electrical relay in which the response is developed by electronic/magnetic/optical or other components, without mechanical motion of components. c. Tripping circuit. Actually, a relay is nothing but a combination of one or more open or closed contacts. C++ Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer Key (C++ Programming Quick Study Guide & Course Review) - Ebook written by Arshad Iqbal. Secondary of the CT and the operating coil. It is expensive . Based on operation mechanism protection relay can be categorized as electromagnetic relay, static relay and mechanical relay. Home / All Categories / Networking / Network Layer Protocols / 11. D. Mho type distance relay View Answer. All the Relays react to voltage or current with the end goal that they open or close the contacts or circuits. In the above figure, the relay circuit is divided into three parts. See more ideas about Frame relay, Relay, Physics. The pickup value is The pickup value is 15 Computer Architecture MCQ DBMS MCQ Networking MCQ. A circuit breaker is best defined as A circuit breaker […] Read Post Protective Relays MCQ Questions with Answers. Relay settings means actual value of the energizing or characteristic quantity at which the relay is designed to operate under given conditions. Practice MCQs For For Static Electricity, Current Electricity, D.C. These objective type Switchgear & Protection 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. ANSWER: a. The three-phase full-wave circuit is often used instead of three-phase halfwave when less ripple is required and the static magnetization of the transformer core is to be avoided. 25. That means the moving parts of the relay take total 3 seconds to travel 100 % traveling distance. 3. In this section of Data Communication and Networking - Network Layer Delivery, Forwarding, Routing MCQ (Multiple Choice) Based Questions and Answers,it cover the below lists of topics, All the Multiple Choice Questions and Answers (MCQs) have been compiled from the book of Data Communication and Networking by The well known author behrouz forouzan. C - Matrices. View Answer / Hide Answer. Admittance Relay. More […] These short solved questions or quizzes are provided by Gkseries. A material best suited for manufacturing of fuse wire is (A) Aluminium (B) Silver (C) Lead (D) Copper. d. The major advantage associated with the static digital relay is: Less sensitive; Performance speed is slow; It is expensive; It is not accurate; Correct answer: 3. Q5. GATE CSE MCQs. Required to operate the circuit breaker . 1.The differential relay measures the vector difference between _____. Burden of a protective relay is the power. Explanation are given for understanding. C - Linked Lists. The six-phase voltages can be obtained in the secondary by using a center-tapped arrangement on a Star connected three-phase winding and the vector diagram of six phase voltages is shown in Fig. D. None of the above View Answer. Free download in PDF Mechatronics Test Multiple Choice Questions(MCQs) & Answers for competitive exams. C - Matrices. Other different between Solid State Relay and Electromagnetic relay are that there is no surge and noise during the operation of SSR. 1 The address field of a frame is 01101000 00001111. 35) Mention different types of static characteristics. Go To Download Page Close. Get Answer:(Show) B 48. 9. The relay is an electrical protection device that detects fault and supplies information to a circuit breaker which in turn performs circuit interruption. Absorbed by the circuit of relay . A very short (a fraction of a second) delay would use a copper disk between the armature and moving blade assembly. The differential relay works on the principle of comparison between the phase angle and magnitude of two or more similar electrical quantities. Relay; Switch; Correct answer 4. 4.The transformer inrush current mainly consists of _____. Where is directional relay … It is nondirectional and is used primarily as a fault detector. Feb 11, 2014 - Explore Networking Facts's board "frame relay" on Pinterest. Digital Static Relay Explanation: The microprocessor relay belongs to the Digital Static Class of relays. C - Stacks and Queues . GATE CSE MCQs. A microprocessor relay is one of the most advanced types of relay found in modern protection systems. Download & View Mcqs as PDF for free. Both types of relay control electrical circuits through a switch that is open or closed depending upon an electrical input. C - Stacks and Queues. 10. Given below are the top 10 Electrical Engineering MCQ Questions on circuit breakers. December 14, 2015 July 3, 2012 by Mini Physics. This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Frame Relay ”. Electrical Engineering (EE) students definitely take this Power Systems 2 MCQ exercise for a better result in the exam. Introduction To Relay & Different Types Of Relays | Its Terminals, Working & Applications Relays are the essential component for protection & switching of a number of the control circuits & other electrical components. Impedance Relay. Words: 2,623; Pages: 30; Preview; Full text; 46. a. Download for offline reading, highlight, bookmark or take notes while you read C++ Multiple Choice Questions and Answers (MCQs… Primary winding of a current CT which is connected in series with the line to be protected. Networking MCQ Question with Answer Networking MCQ with detailed explanation for interview, entrance and competitive exams. 2.The advantage of static differential protection is _____. d. All of these. From the time / PSM graph of the relay as shown below, we can see the total operating time of the relay is 3 seconds. Say a relay has a time setting 0.1 and you have to calculate actual time of operation for PSM 10. Specially developed for the Electrical Engineering freshers and … b. Dear Readers, Welcome to Switchgear & Protection multiple choice questions and answers with explanation. This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Networking and Internetworking Devices – Link State Routing ”. The fault diverter is actually a fast switch. Static relay. 3.The static differential protection is not recommended for the protection of _____. In electrical systems, a static relay is a type of relay, an electrically operated switch, that has no moving parts. C Programs. Features of the switchgear system. Get Answer:(Hide) C 47. B. This quiz contains practice questions for GCE ‘O’ level topics: Static Electricity, Current Electricity, D.C. 40 A Solid State Relay. 24. The solved questions answers in this Power Systems 2 MCQ quiz give you a good mix of easy questions and tough questions. Read this book using Google Play Books app on your PC, android, iOS devices. Static relays are contrasted with electromechanical relays, which use moving parts to create a switching action. a. More details. Read this book using Google Play Books app on your PC, android, iOS devices. Time delay relay. C. Developed by the relay circuit . Burden of a protective relay is the power (a) required to operate the circuit breaker (b) absorbed by the circuit of relay (c) developed by the relay circuit (d) none of the above Ans: b. These all or some specific contacts the relay change their state when actuating parameters are applied to the relay. RELAY: A Relay is a protection device that senses the fault in the circuit and gives a trip signal to the Circuit Breaker to isolate the faulty circuit. An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. DMAES mcq, mcq on DMAES,dmaes,dmaes mcq. This contains 20 Multiple Choice Questions for Electrical Engineering (EE) Power Systems 2 MCQ (mcq) to study with solutions a complete question bank. Absorbed by the circuit of relay Your Comments. 1 A switch that waits until the whole packet has arrived before making routing decision, is called a _________ switch. 23. Your name: Your Email: Your Comments: 5. When D is the diameter of fuse wire, the fusing current will be proportional to (A) 1/D (B) 1/D2 (C) D3/2 (D) D1/2 . The admittance relay is the most commonly used distance relay. Define Plug Setting Multiplier? C - Arrays and Pointers . 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