Collected from Other Sites on Internet. Need a pdf, regarding the electrical testing & commission !! In more clear words, Motor only consumes active power and provides mechanical power in HP or kW at the motor shaft and that is the reason for motor rating in Watts. During the opening, an arc is generated between the terminals that can be quenched using various mediums. It is mostly used to reduce the flow of current. In today post, we will be sharing the frequently asked electrical engineering interview questions and answers related to electrical engineering. Receive all our future posts instantly in your inbox. Thus these following methods are used for. Usually, the voltage drop in cables should not be greater then 2.5% of the supply. Contact us: info@mechanicaltutorial.com, Electrons, positive ions and negative ions, A voltage source, a resistor and a switch, A voltage source, a conductor an ammeter and a switch, Basic Electrical Engineering objective Q & A part-1, >Basic Electrical Engineering objective Q & A part-2. It will immensely help anyone trying to crack an exam or an interview. Difference Between Electrical and Electronic Engineering? These losses occur due to the magnetic field reversal. Electrical engineering deals with high voltage especially AC above the range of 110 or 220V. Difference Between Neutral, Ground and Earth? The efficiency of the transformer is given by the output power divided by the input power. Answer: 1. The voltage regulation value provides the efficiency of the transformer & it is best to prefer a transformer with low voltage regulation. A circuit breaker breaks the circuit by opening the contact terminals. Transformer input Power = Transformer Output Power. It can be easily fixed by swapping the wire. The vacuum has a high voltage arc quenching ability as compared to air & they are used for in high voltage circuits. The core components of an electrical circuit are current, charge, voltage whereas the multiple other components can be derived from the core components such as Power, Voltage, Potential, etc. The current transformer is essentially a step-up transformer that increases the voltage & decreases the current on the secondary side. It is denoted by S & measure in VAR. GATE 2021 Syllabus & Pattern, Best books, Previous Papers, Notes & Books Pdf Download It is a combination of active power & reactive power. Electrical4U’s MCQs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, electric machines – and much more. The output of real power may vary depending on the power factor. It is denoted by P & its unit is watts W. Reactive Power: The powers that continuously bounce back and forth between source and load is known as reactive power. Even More Electronics Engineering Questions and Answers with Explanation. One should spend 1 hour daily for 2-3 months to learn and assimilate Basic Electrical Engineering comprehensively. Also see our. As the SCR is switched on by the current or charge, it is known as a charge controlled device. A voltage source, a resistor and a switch, D. A voltage source, a conductor an ammeter and a switch, 4. electrical engineering multiple choice questions and answers pdf download EEE objective questions books lab viva,online test,quiz for competitive exams. A Circuit Breaker is a protective electromechanical device used to control the flow of current same like a fuse. Your email address will not be published. Thus these following methods are used for p.f correction (to nullify the lagging current), The capacitor helps in providing a leading current that eliminates the lagging component of current & improves the power factor. link as soon as possible. Difference Between Conductor, Semiconductor and Insulator, Difference Between Conductor and Superconductor, Difference Between a Transformer and an Induction Motor, Basic Electronics Engineering Interview Questions & Answers, Basic Electrical & Electronics Interview Questions & Answers, Electrical Engineering Questions & Answers, Electronics Engineering Questions Answers. If the imaginary part of the total impedance is positive, then it is an inductive circuit. The section contains questions and answers on magnetomotive force, magnetic constant, relative permeability, magnetic circuit ohms law, reluctance and b/h characteristic determination. If it is zero then the circuit is purely resistive. They represent different phases, the neutral & earth cable. The only main difference between Alternator and Generator is that the amount of power being generated and for the application being applied to. In this page you can learn various important electrical engineering questions answers, mcq on electrical engineering, short questions and answers on electrical engineering,sloved electrical engineering objective questions answers for competitive exam etc. 25% Off on Electrical Engineering Shirts. In other words, the transformer Input power is equal to the output power of the transformer i.e. VCB stands for Vacuum circuit breaker & ACB stands for Air Circuit Breaker. In addition, if you want to add more question and answers in the above list, let us know in the comment box below and we will be able to add it in this post ASAP. Our website is made possible by displaying online advertisements to our visitors. Whereas, the resistance of a non-linear or unilateral circuit varies with voltage & current. Answer: The electrical parameters of such circuits changes with varying voltage & current. Its mean, there would be different, The ratio of energy delivered in Kilo Watt-Hour (kWh) to the energy input in kWh of the transformer for. – Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews)

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