Dc motor mcq pdf download

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Dc shunt motor is operating at a speed of 1,440 rpm. When the armature current of dc series motor is reduced by half it torque will a reduce by half. Dc circuits mcqs with explanatory answers electrical. M motor mcq three phase induction motor click here to download pdf of 3phase i. Sep 08, 2019 previous article important 50 dc motor mcq questions and answers next article pdf objective electrical technology by vk mehta and rohit mehta pdf free download morningcareer. Thermodynamics multiple choice questions and answers pdf free download 31. Fluid mechanics problems quiz multiple choice questions download free.

The output power of any electrical motor is taken from the a armature b field c coupling mounted on the shaft d motor frame ans. Oct 18, 2019 dc generator click here to download dc motor click here to download single phase induction motor click here to download pdf of 1phase i. Ward leonard method of speed control is basically a a field control method. Dc circuits mcq questions answers electrical engineering. Electrical engineering multiple choice questions mcqs. Apr 24, 2020 basic electrical engineering quiz offline and online is a quiz based application to learn the basic concepts of electrical engineering basic electrical engineering. Dc machines electrical engineering mcq questions and answers home category electrical engineering mcq questions and answers dc machines 1 if e b is the back emf of d. It is outer cover of dc motor also called as frame. 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 jeaen, rrb loco pilot and technicians, ssc je, dmrc, lmrc, isro and other state level engineering exams. General knowledge mcq gk questions answers objective paper. Jb gupta electrical engineering objective mcq book free pdf download.

Multiple choice questions with answers on dc generators set 08. Multiple choice questions with answers on dc generators set. Multiple choice questions with answers on dc generators. Which law states that the internal energy of a gas is a function of temperature a charles law b joules law c regn. Dc generators mcq online test set 04 objectivebooks. This video provides all the important mcq questions of dc motor in detail and also provides some important points to remember for interviews and exams. Calculate its synchronous speed and percentage slip.

By introducing an extra resistance in the armature circuit. Sep 08, 2019 you will get all the dc motor mcq important question and answer with explanation for your all electrical engineering competitive exams. Mcq steam boilers mcq steel structures mcq structural analysis mcq structural design mcq surveying mcq switchgear protections mcq synchronous motor mcq theory of structures mcq thermodynamics mcq three phase mcq time response mcq tom mcq. Electrical engineering objective questions mcq with answer. Important 50 dc generator mcq question and answers morning. Machine subjective, objective questions, mcqs solution. If the load on a dc shunt motor is increased, its speed decreases primarily due to. Three phase ac circuits mcqs with explanatory answers 1.

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Multiple choice question mcq of alternator and synchronous. Dc motor mcq questions answers electrical engineering direct current 1 a d. An ac motor is an electric motor driven by an alternating current ac. Dc motors although ac motors are used in most of the cases, dc motors have many applications and used for multipurpose applications. Expected dc motor objective questions mcq 1 25 electrical engg in hindi. Apr 10, 2020 ssc je electrical important mcq pdf part 2 note download link of pdf given at end of post 1. Noload speed of which of the following motor will be highest. Dc machines quiz questions electrician exams practice tests. This book contains the very basic knowledge on motors and generators. Basic electrical engineering quiz mcq is a quiz based electrical awareness application to learn the basic concepts of electrical and. Oct 18, 2019 electrical machine mcq pdf october 18, 2019 april 1, 2020 electricalworld dc generator click here to download dc motor click here to download single phase induction motor click here to download pdf of 1phase i. Electrical machines mcq quiz multiple choice questions and.

Mcq switchgear protections mcq synchronous motor mcq theory of. If the pole flux of a dc motor approaches zero,its speed will a. State the term that applies to voltage variation from noload to fullload conditions and how it is expressed as a percentage. Dc machines electrical engineering mcq questions and. Three phase ac circuits mcqs with explanatory answers. Web to pdf convert any web pages to highquality pdf. In dc motors, voltage equation is vebiara v terminal voltage, eb back emf in motor, ia armature current, ra armature resistance. Download pdf electrical questions answers in hindi. If the excitation of the machine is reduced by 10%, the extra resistance to be put in the armature circuit to maintain the same speed and torque will be. Frequently asked petroleum refinery engineering multiple choice questions and answers pdf. Alternator generator mcqs with explanatory answers.

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As the speed of an alternator increases, the frequency. Dc motor or direct current motor multiple choice questions. A 5 kw, 50 hz, 6pole slipring induction motor runs at 960 rpm. The direction of rotation of a dc motor can be reversed a. Approach is stable value somewhere between zero and infinity. Electrical engineering objective questions mcq with answer free pdf download. Generators electrical engineering multiple choice questions and answers tuesday, 2 september 2014 124 top d.

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Field control has some specific advantages over armature control and on the other hand armature control has also some. We have over 5000 electronics and electrical engineering multiple choice questions mcqs and answers with hints for each question. Basic electrical engineering quiz offline and online is a quiz based application to learn the basic concepts of electrical engineering basic electrical engineering. Pdf link for expected dc motor mcq 125 expected dc generator mcq 125. Electrical machines objective question and answer to prepare for competitive and entrance exams and test your skills on the topic. Dc machines electrical engineering mcq questions and answers.

But the alternator conductors are calculated for a definite current and the insulation at magnetic system are designed for a. The power mentioned on the name plate of an electric motor indicates a the power drawn in kw b the power drawn in kva c the gross power d the output power available at the shaft ans. Feb 06, 2017 expected dc motor objective questions mcq 1 25 electrical engg in hindi. Download free sample and get upto 75% off on mrprental. Motors, electrical engineering multiple choice questions objective type questions, mcqs, with question and answers, download free pdf, electrical engineering, multiple choice questions, objective type questions, electrical engineering short notes, rapid fire notes, best theory. Dc generators mcq questions answers electrical engineering. Electrical engineering mcq questions and answers for an engineering student to practice, gate exam, interview, competitive examination and entrance exam.

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