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Download DC Machines MCQs PDF. Home; General Knowledge; download DC Machines mcqs; Download DC Machines pdf. Current Affairs MCQs. Current Affairs Quiz July 2022. ... GST Multiple Choice Questions. Environmental Science GK. Month-wise Current Affairs 2022. July 2022. June 2022. May 2022. April 2022. March 2022. February 2022. January 2022.
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Which of the following do the machines want to prove from this line? a. Once Machines are fed with fuel, they take a very long time to start. b. Once Machines are fed with fuel, they start quickly. Ans: Once Machines are fed with fuel, they start quickly. 10. And now, if you will set us to our task, We will serve you four and twenty hours a day!
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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.
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1.A Single-phase transformer when supplied from 220V,50 Hz has eddy current loss of 50W.if the transformer is connected to a voltage of 330 V,50Hz, the eddy current loss will be a)168.75W b)112.5W c)75W d)50W Answer: 112.5W 2.A coil wound on a magnetic core is excited from an ac voltage source. The source voltage and its frequency are both doubled.
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DC Generator Quiz Question with Answer. 1. In a four-pole D.C. machine. all the four poles are north poles. alternate poles are north and south. all the four poles are south poles. two north poles follow two south poles. 2. In over compounded generator, full load terminal voltage is.
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_____ value of an AC is that steady (DC), which when flowing through, the given resistance for a given time produces the same amount of heat as produced by the AC when flowing through the same resistance for the same time. ... Multiple choice question on AC Fundamentals n Post navigation. Power Plant MCQ's. DC Machine MCQ's. Leave a Comment ...
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1) In a d.c. machine, the form of armature reaction mmf is a. Triangular b. Sinusoidal c. Saw tooth d. Rectangular Answer Explanation 2) A 120 V shunt generator running at 850 rpm has its armature and shunt field resistance of 0.15 ohm and 50 ohm respectively. It supplies 200 lamps each rated at 60 W, 100 V.
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Basic Electrical Engineering PDF. Rohit Mehta and VK Mehta Text Book of Electrical Technology with Volume 2 DC and AC Machines Topics Covered. AC and DC Machines are the Part of Electrical Technology. This subject Electrical Technology is like a Basic Electrical Engineering, Electronics Control Systems. By following these candidates can get the ...
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Explanation: The brushes in Dc machines are used for collecting the current from the commutator segment. The brushes are made from carbon. In Dc machines Number of brushes are equal to the number of parallel paths or the number of poles. For wave winding, a number of parallel paths are equal to 2 and the number of brushes is required also 2.
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Top 500+ Indian GeographyObjective Questions. The geography section is very important in General knowledge to clear a government job entrance exam, because there are so many exams in which there will be a portion for General Studies you can practice Geography multiple choice objective questions so that in competitive exams you will get success.
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EE8552 Power Electronics. EE8552 Power Electronics MCQ Multi Choice Questions, Lecture Notes, Books, Study Materials, Question Papers, Syllabus Part-A 2 marks with answers EE8552 Power Electronics MCQ Multi Choice Questions, Subjects Important Part-B 16 marks Questions, PDF Books, Question Bank with answers Key And MCQ Question & Answer, Unit Wise Important Question And Answers, One Mark ...
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each subsection includes a set of self-study questions that are structured to assist learning and to encourage students to investigate alternative settings on the VIs. 02-P2163 4/2/02 1:07 PM Page 13. This is a sample chapter of LabVIEW for Electric Circuits, Machines, Dr ives, and Laboratories ISBN: -13-061886-1 For the full text, visit
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ITI Wireman MCQ Objective Questions and Answers. 1. The shape and colour of mandatory sign is : (A) circular shape - black symbol on yellow background. (B) circular shape - white symbol on blue background. (C) square shape - green symbol on white background. (D) triangular shape - black symbol on blue background. 2.
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DC Machines Circuit Model. In this MCQ you can learn and practice DC Machines Circuit Model objective quiz questions to test your knowledge on electrical machines. This quiz section consists of total 15 questions. Each question carries 1 point. No negative points for wrong answers. You need to score at-least 50% to pass the test.
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The below list provides all the multiple-choice questions related to DC motor. Answers are available at the bottom of the article. 1. According to Fleming's left-hand rule, when the forefinger points in the direction of the field or flux, the middle finger will point in the direction of 2. In a D.C. shunt motor, speed is 3. In variable speed motor
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MECHANICAL MAINTENANCE ENTRY TEST ENABLING OBJECTIVES Site Maintenance Training Program Page 5of 5 ANSWERS TO TEST EXAMPLES #1. C. weather #2. B. legs.
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chapter 11: special machines. chapter 12: transmission and distribution of power ...
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1.11 POST LAB VIVA QUESTIONS: 1. Define critical field resistance. 2. How do you get the maximum voltage to which the generator builds up from OCC? 3. What does the flat portion of OCC indicate? 4. Why OCC does not start from origin? 5. Why is Rf > Ra in dc shunt machine? 6. How do you create residual magnetism if it is wiped out? 7.
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The instructional materials are created keeping in mind, the main objective of Vocational Training under NCVT/NAC in India, which is to help an individual to master skills to do a job. The instructional materials ... 3.1.118 Test a DC machine for continuity and insulation resistance 19 3.1.120 to 3.1.123 Characteristics of DC generator 21 ...
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Document Description: Problem Solving on DC Machines for Electrical Engineering (EE) 2022 is part of DC Machines for Basic Electrical Technology preparation. The notes and questions for Problem Solving on DC Machines have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Problem Solving on DC Machines covers topics like Introduction , Shunt Motor ...
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Swinburne's test is an indirect method of testing DC machines, named after Sir James Swinburne. In this method, the losses are determined separately and the efficiency at desired load is predetermined. The Swinburne's test is the simplest method of testing of shunt and compound DC machines which have constant field flux.
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- 1000+ Multiple Choice Questions & Answers (MCQs) in DC Machines with a detailed explanation of every question. - These MCQs cover theoretical concepts, true-false (T/F) statements, fill-in-the-blanks and match the following style statements. - These MCQs also cover numericals as well as diagram oriented MCQs.
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Solution: For maximum power transfer, the load resistance (referred to the primary) must be equal to the source resistance. Example 2. A 460-V:2400-V transformer has a series leakage reactance of 37.2 Ω as referred to the high-voltage side. A load connected to the low-voltage side is observed to be absorbing 25 kW, unity power factor, and the ...
Get priceThis set of DC Machines Multiple Choice Questions & Answers (MCQs) focuses on "DC Motor Basics -1". 1. What will happen if DC shunt motor is connected across AC supply? a) Will run at normal speed b) Will not run c) Will Run at lower speed d) Burn due to heat produced in the field winding View Answer
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Look at the following diagram: With reference to the memory jogger called 'Ohm's Triangle' shown above, if the value of the current in a given circuit is required it can be determined by: A. multiplying the voltage by the resistance. B. multiplying the power by the voltage. C. dividing the voltage by the resistance. D.
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Network analysis MCQ/Quiz. March 1, 2014 pani. Electrical Network analysis is one of the fundamental topics in electronics and electrical engineering. Here are some multiple choice questions or quizzes on the topics related to electrical network analysis. Check your knowledge and understanding of the topics with these MCQs.
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(Answer any six questions including Q.No. 1) [2X10] 1. Answer the following questions: (a) Differentiate between the spring control and gravity control. (b) Why an ammeter should have a low resistance value. (c) What are the precautions taken while using a DC voltmeter and DC ammeter.
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4.2 EXPRESSION FOR SPEED FOR A DC MOTOR 62 4.3 Applications of DC Drives 62 4.4 Advantages of DC Drives 62 4.5 Conventional Methods of Speed Control 63 4.5.1 Speed control of DC Shunt Motors 63 4.5.2 Speed control of DC Series Motors 64 4.5.3 Ward Leonard Control System 65 4.6 Solid state Speed Control of DC Motor 66
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dc machines objective questions pdf We provide crushing & grinding products and solutions . CRM Mining Crusher is a Porland company with facilities in Europe and Africa that manufactures and installs crushing, grinding, and screening equipment and spare parts for mining, quarrying and demolition operations.
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1) What is the Power plant or Power Station? The generation, distribution, and transmission system together constitute a network called as Power plant. The power plant uses the form of energy such as coal, diesel and converts it into electrical energy. An example of the power system is a grid that supplies power to the other system.
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Explore the latest questions and answers in DC-DC Converters, and find DC-DC Converters experts. Questions (344) Publications (23,832) Questions related to DC-DC Converters 1 2 3 4 Muhammad Zeshan...
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A.C.Machine, Electrical Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, Electrical Engineering, Multiple Choice Questions, Objective type questions, Electrical Engineering short notes, rapid fire notes, best theory
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- DC Machines Questions and Answers by Manish 6-7 minutes. This set of DC Machines Multiple Choice Questions & Answers (MCQs) focuses on "Brushes and Commutator Assembly - 1". 1.The armature in DC machines is always placed on rotor
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1. In an alternator, voltage drops occurs in (A) armature resistance only (B) armature resistance and leakage reactance (C) armature resistance, leakage reactance and armature reaction (D) armature resistance, leakage reactance, armature reaction and earth connections. Ans : C 2. As the speed of an alternator increases (A) the frequency increases
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D.C Machines Dc Motor 1. What will happen if DC shunt motor is connected across AC supply? a) Will run at normal speed b) Will not run c) Will Run at lower speed d) Burn due to heat produced in the field winding 2. What will happen if the back emf of a DC motor vanishes suddenly? a) The motor will stop b) The motor will continue to run
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Transcribed image text: EENG70 - DC Machines Design Project Objective: To design a DC Shunt Generator with the following specifications: • Power Rating (Output Power, Pout) : 400 W • Rated Voltage (Output Voltage, V.) : 24 V • Shunt Field Resistance (Rsh): 24 ohms • Armature Resistance (Ra): 0.15 ohms A. DC Shunt Generator Parameters i. Draw the schematic diagram ii.
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Direct Current Machine Or DC Machine Objective Questions and Answers 1. Poles of a DC machine are often laminated to A. Reduce pulsation loss B. Reduce armature reaction C. Reduce iron weight D. dissipate more heat View Answer Your Comments 2. Pole shoe of a DC machine is laminated for the purpose of A. Decreasing hysteresis loss
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Categories DC Generator, Interview Questions, Objective Questions This set of DC Generator Problems with Solution focuses on problems based on EMF equation of DC Generator. 1. A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature are 50 Ω and 0.03 Ω respectively. Calculate the generated e.m.f? Solution:
Get priceWe have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers - with hints for each question. 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.
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INDUCTION MACHINES: AN INTRODUCTION 1.1. ELECTRIC ENERGY AND INDUCTION MOTORS The level of prosperity of a community is related to its capability to produce goods and services. But producing goods and services is strongly related to the use of energy in an intelligent way. Motion and temperature (heat) control are paramount in energy usage.
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