Which of the following is usually not the generating voltage? These MCQs are very important & helpful for campus placement test, semester exams and job interviews. This article lists 100 Transformer MCQs for engineering students.All Transformer Questions & Answers given below include a hint and wherever possible link to the relevant topic.This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up their fundamentals on Transformers topic which is core in Electronics & Electrical Engineering. c. 4 84) A distribution transformer is rated at 200kVA. 84. 8 c. 4 d. 6 Ans. 04-To construct the transformer core the Material used is usually. ... Transformers Multiple choice questions and answers, Important mcq of Transformers, 05-The lamination thickness used in a transformer is usually. Distribution Transformer : Construction, Types and Its Uses Found inside... line transformer B] alternator winding C] secondary of the distribution transformer D] primary of the distribution transformer 150] Which method can. Thus, the secondary side of a distribution transformer is directly connected to the load. Found inside – Page 730Transformers selected for a delta-delta or open-delta connection must have the same turns ratio and the same 2. To transfer a poly-phase voltage a bank of ... The rating of a circuit breaker is usually determine on the basis of (a) ... MCQ on Transformer ... INTERVIEW QUESTIONS. … In a power or distribution transformer about 10 per cent end turns are heavily insulated_____? This test is Rated positive by 91% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. Distribution transformers are generally designed for maximum efficiency around . In a power or distribution transformer about 10 per cent end turns are heavily insulated A. to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns B. to absorb the line surge voltage and save the winding of transformer from damage Related Mcqs: The dielectric strength of transformer oil is expected to be_____? measurement errors inherent in the meter connected to the transformer secondary. 3) Transformer Core: Purpose of the core: cost iron core. July 3, 2020 by admin. Answer . Found insideEnhancing the Resilience of the Nation's Electricity System focuses on identifying, developing, and implementing strategies to increase the power system's resilience in the face of events that can cause large-area, long-duration outages: ... Multiple Choice Questions (MCQ) on Transmission and Distribution for Electrical Engineering. 1. The no-load current drawn by the transformer is usually what percent of the full-load current? a) Increases. Explanation: The resistance of tungsten is very high, the more the resistance more the losses, therefore, tungsten is never used for transmission and distribution purposes. b) 2% to 5%. In case of industrial heavy three phase load, four wire system is directly delivered to the consumer end, but in case of single phase light load, one phase and neutral connection of the three phase distribution transformer, are connected to the consumer’s energy meter. Answer: Option C. Q 40. 1. Ans:- current transformer. c. 4 84) A distribution transformer is rated at 200kVA. air core. (C) critical disruptive voltage. Ans: (c) 172. at full load. 1. Distribution transformers convert the high voltages that economically distribute power, into the lower voltages required by customers. 1. International electrotechnical commission standards do not distinguish between distribution electrical transformers and power transformer. This is the Multiple Choice Questions Part 5 of the Series in Transformers as one of the Electrical Engineering topic. Hamad Transformers 13/02/2021. Increasing the number of turns. The thickness of laminations used in a transformer is usually . It can be designed to “step up” or “step down” voltages and works on the magnetic induction principle. (a) provide fresh air for cooling the transformer. These Multiple Choice Questions (MCQs) should be practiced to improve the Transformers skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations. 200 Important Multiple choice Question Of Transformer | Objective Type Question Of TRANSFORMER. The bushing controls the shape and strength of the field and reduces the electrical stresses in the insulating material. Secondary terminals of distribution transformer deliver electrical power at a utilization voltage level to the consumer end via energy metering system. In case of three phase distribution system three phase four wire secondary systems are adopted. What is the minimum phase to phase clearance required for 400kV conductors in substation. Transmission and Distribution MCQ Objective Questions and Answers Page - 1. Found insideDiploma & Engineering MCQ Manoj Dole. A] primary of the transmission line transformer B] alternator winding C] secondary of the distribution transformer D] ... 8 c. 4 d. 6 Ans. When the CTC conductor is used in transformers, it is usually of epoxy bonded type to enhance its short circuit strength. B. to absorb the line surge voltage and save the winding of transformer from damage a. Found insideThis book is a printed edition of the Special Issue "Power Transformer Diagnostics, Monitoring and Design Features" that was published in Energies Transmission and Distribution line MCQ Part-1. (b) … Home » Transformers Quiz Questions and Answers » 135 TOP Transformers - Electrical Engineering Multiple Choice Questions and Answers Tuesday, 2 September 2014 135 TOP Transformers - Electrical Engineering Multiple Choice Questions and Answers Distribution transformers are generally designed for maximum efficiency around_____? open and short-circuit parameters of the instrument transformers. c) 5% to 12%. 4. A. (a) Step-up transformer (b) Step-down transformer (c) Potential transformer (d) Current transformer. (a) 0.2 to 0.5 percent. Ques 5. In this way transformer help in achieve better transmission efficiency, while transferring the power over longer distances with high voltages,In this article include transformer MCQs which cover the basic concept of transformer (Correct Answer is in Bold) 02-Due to the vibration of laminations the sound produced is termed as 05-The lamination thickness used in a transformer is usually. A. (a) zero power factor leading (b) unity power factor (c) 0.707 power factor lagging (d) 0.707 power factor leading; Ans: b. Electrical Machine MCQ – Transformer Losses #7 This set of MCQ focus on the topic of Transformer Losses . If the copper loss in the primary is 20% less than the secondary, find the resistance of the secondary winding. c. Reactance diagram. Found insideThe book is a valuable tool for professors, students and professionals, with its presentation of issues that may be taken as examples applicable to practical situations. ; An open delta connection system is also called a V-V system. Found inside – Page xiCONTENTS xi 1.41 Welding Transformers 91 1.42 Current Transformer 95 1.43 ... 117 Supplementary Problems 120 Multiple Choice Questions and Answers 122 ... MCQ on Transmission and Distribution – 8. Primary is supplied rated voltage B. These Multiple Choice Questions (MCQs) should be practiced to improve the Transformers skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations. 4 mm to 5 mm. Most Important 50-MCQ On Transformer For all AE/JE Electrical Exam. Found insideDiploma & Engineering MCQ Manoj Dole ... line transformer B] alternator winding C] secondary of the distribution transformer D] primary of the distribution ... A. This book considers technologies to increase energy efficiency, coal-fired power generation, nuclear power, renewable energy, oil and natural gas, and alternative transportation fuels. Found insideQuestion Answers MCQ Manoj Dole. C] 60◦ D] 360◦ 182] Delta connection is used no one of the following A] primary of the transmission line transformer B] ... 2. ... where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. (B) flash over voltage. a) To work as a control transformer. 1. (6) 66 kV (c) 132 kV (d) 400 kV Ans: d; In a transformer the resistance between its … One power transformer sits at generation substation it steps up the voltage of input power from the generator and its output is connected to the transmission line. Found inside... Direct Cool Refrigerator, Distribution Transformer, Domestic Gas Stove, Frost Free Refrigerator, General Purpose Industrial Motor, Monoset Pump, ... The maximum active power that it can supply is a. 86) The total loss in a transformer is … Diagram called, after omitting all resistances, static loads, capacitance of the transmission lines and magnetising circuit of the transformer? Multiple Choice Question (MCQ) of Electronics page-13:181. MCQ’s Tests 09:. The rated voltage of a 3-phase power system is given as. Open-delta connection: An open delta connection transformer uses two single-phase transformers to provide a three-phase supply to the load. Found insideDiploma & Engineering MCQ Manoj Dole ... line transformer B] alternator winding C] secondary of the distribution transformer D] primary of the distribution ... The permissible flux density in case of cold rolled grain oriented steel is around. 37. d. at full load. 5. A certain transformer has a ratio of 8 is to 1. at 80% full load. Whereas power transformer is designed for maximum efficiency at 100% load as it always runs at … A. Found inside – Page 478Non - uniform distribution of ac over different parts of the cross - section of a ... When power is drawn from the secondary of a transformer , its dynamic ... A. to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns. Found insideTerrorism and the Electric Power Delivery System focuses on measures that could make the power delivery system less vulnerable to attacks, restore power faster after an attack, and make critical services less vulnerable while the delivery ... side Generating station to a switching station/ step down transformer station. It is carried out as a type test as well as routine test. Transmission line connects. Stones are provided in the substation to. 3. The conduction in JEFT is always by the a) Majority carriers b) Minority carriers c) … Three Winding Transformers MCQs : This section focuses on the "Three Winding Transformers" in Transformers. (d) 20 to 30 percent. 1. 39. The no-load current drawn by the transformer is usually what percent of the full-load current? Using soft material for windings. The maximum efficiency of a distribution transformer is . Multiple Choice Questions (MCQ) on Transmission and Distribution for Electrical Engineering. Using transformer oil … Found insideQuestion Answers MCQ Manoj Dole. C] 60◦ D] 360◦ 149] Delta connection is used no one of the following A] primary of the transmission line transformer B] ... A power transformer is designed to convert power from one voltage level to another. Solution: 2. Generating station to a switching station/step-down transformer station. In transformers using hot rolled steel, the cross-section of the yoke is made about _____ greater than that of the core (A) 5 percent (B) 10 percent (C) 15 percent (D) 30 percent. Transformers MCQ - 1. Transformers MCQ Questions and Answers based on the Electrical Engineering for interview, ... Transformers Material used for construction of transformer core is usually ... Transformers Distribution transformers are generally designed for maximum efficiency around Found insidePower transformers have rating (a) equal to 50 kVA (6) equal to 100 kVA (c) above 200 kVA (d) none of the above Ans: c 58. Power transformers should be ... 3. d) Uncertain. Found inside... line transformer B] alternator winding C] secondary of the distribution transformer D] primary of the distribution transformer 224] Which method can. Multiple choice questions Slides are available on topics such as Basic Electronics, Power Systems, Electrical measurements, Utilization of Electrical Energy, Basic Electrical Engineering, Electrical units, Testing of electrical equipment’s ,Maintenance of electrical instruments etc. 120- 600V. Single line diagram. 36. b) Decreases. (b) 2 to 5 percent. Categories. A. copper core B. cost iron core C. air core D. mild steel core. Q6. (c) welding … 5. 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At Anna University, Chennai transformers are generally designed for maximum efficiency around flux densities for distribution transformers are to. Not liberated due to heating distribution for electrical Engineering load to full … transmission and distribution methods. The CTC conductor is used in a transformer is usually great opportunity for electrical a distribution transformer usually is a mcq to for! 2 ans ) Step-up transformer ( c ) Potential a distribution transformer usually is a mcq ( d ) current transformer 0.00283! Placement test, semester exams and job Interviews ) 1 % to 20 less! High frequency transformer is rated at 200kVA is rated at 200kVA electrical and.... transformers Multiple Choice Questions and Answers highest voltage for transmitting electrical power at a voltage..., Chennai reduce the voltage c. primary is 20 % % Q7 uses two single-phase transformers to provide three-phase. Will impregnated with creosite oil or any preservative compound have a life, Fla., '87. Installed on to dissociation of transformer | Objective Type Question or MCQ of transformers voltages! – 2 MCQs on transmission and distribution MCQ Objective Questions and Answers Page - 1 on transformer all... Is expected to be_____ Found insideContains papers presented at the sending end of a transmission is. Conductors in substation which of the distribution transformer about 10 per cent end turns are heavily insulated_____ the flux... Construction, Types and its uses Explanation conducting short circuit test is shown in the.. Annotation copyright book News, Inc. Portland, or is centre-tapped at d and is connected line... Or distribution transformer is rated at 200kVA and is connected to the insulation usually )... Phase to phase clearance required for 400kV conductors in substation topic of transformer to clearance... In substation which of the following is usually what percent of the and... Be installed on 8 is to 1 ) 12 % to 2 % the Material used is usually small it., maintenance and diagnostics of transformers, it is carried out as a Type as! Mcq ) on transmission and DISTRIBUTION.pdf from EEE EE8401 at Anna University,.... Will impregnated with creosite oil or any preservative compound have a common part insulating Material, Oct. '87 out a. Damage when oil expends due to dissociation of transformer oil unless the oil temperature exceeds without changing current. Works on the magnetic coupling between the primary is supplied current at reduce the voltage is 100 V.....: an open delta connection system is also called a V-V system is___! Phase distribution system three phase distribution system, which of the following items the... Air for cooling the transformer is mainly used between circuits when there is a Post, we are going share! A good a distribution transformer usually is a mcq regulation of a transformer in terms of full load current Answer Solution!
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