objective question of dc motor

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objective question of dc motor

objective question of dc motor

objective question of dc motor

DC Motors Objective Questions and Answers Set 01

2021-10-31  DC Motors Objective Questions and Answers Set 01 MCQ DC Motors Edit Practice Test: Question Set 01. 1. A three point starter is considered suitable for If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor

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DC Motor Objective Questions Answers your electrical

SHOW ANSWER. 25. A dc series motor is used for an overhauling load. It can work stably if. (a) the armature is shunted by a resistor. (b) the field winding is reversed. (c) a resistor is put in series with the machine. (d) a divertor is put across the field. Answer: (a) the armature is shunted by a resistor.

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100 Important MCQ Question of DC Motor Objective

Small H.P motors require only 2 poles because as the number of poles is inversely proportional to the speed therefore 2 pole motor runs at high speed than 4 pole motor. Two pole motor has better efficiency. Two pole motor has better rpm and noise performance. Ques 7. The efficiency of the DC motor

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400 Important DC Motor MCQ Objective Questions and

400 Important DC Motor MCQ Electrical Engineering Important Multiple choice Questions and Answer PDF free download interview questions objective type questions.

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Top 50+ Objective type question of DC Motor| set -1

This Objective type question of DC Motor includes 50+ Best Choice Questions, that solved MCQ are beneficial for campus placement of Electrical Engineering freshers, college tests, interviews, viva, and aggressive tests like SSC JE Electrical, JE EE, GATE, IES, PSU, NET/SET/JRF, UPSC, and diploma. mcqcollection website that provides

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DC Motors Objective Questions & Answers Part 2

The speed of a D.C. series motor is. (a) proportional to the armature current. (b) proportional to the square of the armature current. (c) proportional to field current. (d) inversely proportional to the armature current. Ans: d. 37. In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to.

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DC Motor Principle MCQ [Free PDF] Objective Question

Get DC Motor Principle Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free DC Motor Principle MCQ Quiz Pdf and prepare for your upcoming exams Like SSC, Railway, UPSC, State PSC.

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DC Motor MCQ Objective Questions and Answers Page 5

DC Motor MCQ Objective Questions and Answers Page 5: Morning Exam. Morningexam provides Electrical MCQs, Notes, Exam Materials and Online Test series for your Competitive exams. You can also get Current Affairs, GK, Aptitude, Verbal Ability, and Reasoning questions

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100 Important MCQ Question of DC Motor Objective

For any dc. machine whether it is a generator or a motor, its efficiency is important It should work efficiently. This means that the losses must be as small as possible in d.c

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72 questions with answers in BRUSHLESS DC MOTORS

2021-6-12  18 answers. Jan 28, 2014. A brushless dc motor and PMSM motor consists of a permanent magnet, which rotates (the rotor), surrounded by three equally spaced windings, which

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DC Motors Objective Questions and Answers Set 01

2021-10-31  DC Motors Objective Questions and Answers Set 01 MCQ DC Motors Edit Practice Test: Question Set 01. 1. A three point starter is considered suitable for If a D.C. motor designed for 40°C ambient temperature is to be used for 50°C ambient temperature, then the motor

get price

DC Motor Objective Questions Answers your electrical

SHOW ANSWER. 25. A dc series motor is used for an overhauling load. It can work stably if. (a) the armature is shunted by a resistor. (b) the field winding is reversed. (c) a resistor is put in series with the machine. (d) a divertor is put across the field. Answer: (a) the armature is shunted by a resistor.

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Top 50+ Objective type question of DC Motor| set -1

This Objective type question of DC Motor includes 50+ Best Choice Questions, that solved MCQ are beneficial for campus placement of Electrical Engineering freshers, college tests, interviews, viva, and aggressive tests like SSC JE Electrical, JE EE, GATE, IES, PSU, NET/SET/JRF, UPSC, and diploma. mcqcollection website that provides

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400 Important DC Motor MCQ Objective Questions and

400 Important DC Motor MCQ Electrical Engineering Important Multiple choice Questions and Answer PDF free download interview questions objective type questions.

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100 Important MCQ Question of DC Motor Objective

Small H.P motors require only 2 poles because as the number of poles is inversely proportional to the speed therefore 2 pole motor runs at high speed than 4 pole motor. Two pole motor has better efficiency. Two pole motor has better rpm and noise performance. Ques 7. The efficiency of the DC motor

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DC Motors Objective Questions & Answers Part 2

The speed of a D.C. series motor is. (a) proportional to the armature current. (b) proportional to the square of the armature current. (c) proportional to field current. (d) inversely proportional to the armature current. Ans: d. 37. In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to.

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DC Motor Principle MCQ [Free PDF] Objective Question

Get DC Motor Principle Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free DC Motor Principle MCQ Quiz Pdf and prepare for your upcoming exams Like SSC, Railway, UPSC, State PSC.

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DC Motor Efficiency MCQ [Free PDF] Objective Question

DC Motor Efficiency MCQ Question 10: The armature resistance of permanent magnet dc motor is 0.8 . At no load the motor draws 1.5A from a supply voltage of 25V and runs at 1500rpm. The efficiency of the motor while it is operating on load at 1500rpm drawing a current of 3.5A from the same source will be

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100 Important MCQ Question of DC Motor Objective

In a DC shunt motor, if we cut the supply for the field winding, the speed would dangerously increase in order to maintain the back emf of the motor. In the case of DC motors Speed ∝ Back emf(E b )/flux(φ) .

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100 Important MCQ Question of DC Motor Objective

For any dc. machine whether it is a generator or a motor, its efficiency is important It should work efficiently. This means that the losses must be as small as possible in d.c machines. The losses will determine the heating of the machine and hence the rating

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DC Motor Objective Questions with Answers

DC Motor Objective Questions with Answers. 16) What is the temperature value of class ?F? insulation? 90 Degree Centigrade. 105 Degree Centigrade. 120 Degree Centigrade. 155 Degree Centigrade. Answer Explanation. Answer is: 155 Degree Centigrade. Explanation: 17) Which type of D.C motor is used for constant speed drives?

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DC Motors Multiple Choice Questions and Objective Quiz

DC Motors MCQ Questions and Answers Quiz. 1. The condition for maximum power in case of D.C. motor is. 2. The current drawn by the armature of D.C. motor is directly proportional to. 3. The direction of rotation of a D.C. series motor can be changed by. 4.

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DC Motor Objective Type Question Answer your

Efficiency of a dc shunt machine can be computed by knowing. (a) output and input. (b) rating of machine and account of constant losses and armature resistance. (c) either (a) or (b). Answer: (c) either (a) or (b). SHOW ANSWER. 5. The overall efficiency of a well designed dc machine may be expected to

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DC Motors MCQ Or Quiz, Electrical Objective Questions

2020-7-21  Hello guys, welcome back to my blog. In this article, I will discuss dc motor MCQ or quiz, quiz questions for dc motors, or electrical interview questions related to dc motors. If you want an article on some other topics then comment us below in the comment section. You can also catch me @ Instagram Chetan Shidling.

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DC Motor Objective Type Question Answer ||01||

2020-5-12  11.DC Motor Series is most suitable for electric traction, because-. (A) Its initial torque is high. (B) It is much cheaper. (C) It moves very fast. (D. ALL OF THE ABOVE. Answer- (A) 12. DC machine has 32 coil. The number of commutator segments will be.

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dc motor objective questions answers pdf BINQ Mining

2012-11-15  TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Q.1 The two windings of a transformer is (A) conductively linked. (B) the series DC motor will . » More detailed.

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Dc Motors Electrical Engineering Questions and Answers

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations : 1.In a D.C. shunt motor

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DC Machines Multiple Choice Questions with Answers DC

DC Machines Multiple Choice Questions with Answers for competitive exams. These short objective type questions with answers are very important for competitive exams like IIT-JEE, NEET, AIIMS, JIPMER etc. These short solved questions or quizzes are provided by Gkseries.

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Multiple Choice Questions (MCQs) on DC Motor

2021-10-27  62) The back e.m.f of a DC motor depends on. So, it depends both on field flux and speed. 63) The air gap between stator and armature of an electric motor is kept small in order to. Air has a much higher reluctance than the magnetic materials used in the motor.

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Objective Questions on Single Phase Motors Part 1

Objective Questions on Single Phase Motors Part 1. 1. A capacitor start single phase induction motor will usually have a power factor of. (D) 0.6 lagging. 2. A capacitor start, capacitor run single phase induction motor is basically a. (D) 3 phase induction motor. 3.

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