Dc motor mcq pdf file

Noload speed of which of the following motor will be highest. Three phase ac circuits mcqs with explanatory answers. It converts fixed ac voltage into variable dc voltage. In a split phase motor, the running winding should have a high resistance and low inductance b low resistance and high inductance c. Great pdf to practice electrical and electronics fundamentals. Dc motor applications tecowestinghouse motor company dc motors are ideally suited to a multitude of industrial and marine applications in which high torque and variable speed are required.

The rotor and stator are each connected from a different power supply, this. Dc motors although ac motors are used in most of the cases, dc motors have many applications and used for multipurpose applications. Interview questions electrical ac dc motors interview questions whyelectrical ac dc motors interview questions placement papers. Motors interview objective type questions pdf free download. Newest dcmotor questions electrical engineering stack. Important 50 dc motor mcq questions and answers morning. Three phase ac circuits mcqs with explanatory answers 1. First, a look at an incredibly simpli ed motor, a square loop in a magnetic eld, as shown in figure 1. The dc motor develops maximum power when the back emf is half the applied voltage is e b v 2. 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. Dc machines electrical engineering mcq questions and.

Dc motors electrical engineering questions and answers. Brushed dc motor fundamentals microchip technology. Questions tagged dc motor ask question a common actuator in robotics. A stepper motor is a type of dc motor that works in discrete steps. C motor electrical machine multiple choice questions and. If the load on a dc shunt motor is increased, its speed decreases primarily due to.

This dc motor test contains around 20 questions of multiple choice with 4 options. Jb gupta electrical engineering objective mcq book free pdf download. Jb gupta electrical engineering objective mcq book free. Electrical engineering objective questions mcq with answer free pdf download. Noload speed of which of the following motor is highest. No change due to the corresponding change in back emf. As 5000 free distribution is over, now this content is locked. Dc motor or direct current motor multiple choice questions and answers. You will get all the dc motor mcq important question and answer with explanation for your all electrical engineering competitive exams 1.

Automobile engineering important multiple choice questions with answers pdf file free download. Motors multiple choice and answers for freshers and experienced top list of d. When a current carrying conductor is placed in a magnetic field, it experiences a torque and has a tendency to move. These mcqs are very important for preparation of gate, fpsc, nts, kppsc, ppsc and other job tests. Ward leonard method of speed control is basically a a field control method. Single phase induction motors multiple choice questions. This video provides all the important mcq questions of dc motor in detail and also provides some important points to remember for interviews. An905 ds00905bpage 2 2010 microchip technology inc. Interview questions electrical ac dc motors interview. Part 7 1 the basic requirement of a dc armature winding is that it must be a a closed one b a lap winding c a wave winding d either b.

Electrical engineering objective questions mcq with answer. Mention some of the applications of controlled rectifier. Free download 100 mcq objective type questions on converters and rectifiers. A dc series motor should not be started on no load because it would a. It is a synchronous brushless motor where a full rotation is divided into a number of steps. Dc motor principle a machine that converts dc power into mechanical energy is known as dc motor.

Expected dc motor objective questions mcq 1 25 electrical engg in hindi. Following electrical engineering multiple choice objective type questions and answers will help you in bsnl jto, gate. Motors subjective, objective questions, mcqs solution. Dc machines quiz questions electrician exams practice tests. The induced emf in the armature conductors of a dc motor is a. 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. Other members of the family are the directcurrent dc motor or generator, the induction motor or generator, and a number of derivatives of all these three. Steel rolling mills, printing press, textile mills and paper mills employing dc motor drives. Dc motor electrical machine engineering multiple choice questions and answers,dc motor objective questions answers pdf preparation for gate.

If the pole flux of a dc motor approaches zero,its speed will a. Brushed dc motors, despite their mechanical complexity, are governed by only a few forces. This type of breaking is called as regenerative breaking. Automobile engineering important multiple choice questions with answers pdf file fr.

Jb gupta free pdf books cover all electrical engineering topic and contain 12000 mcq. Motors mcq question is the important chapter for a electrical engineering and gate students. Learn and practice the placement papers of hal and find out how much. 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. The rotor and stator windings are connected in parallel. Multiple choice questions assertionreason type questions matching. Approach is stable value somewhere between zero and infinity. Its operation is based on the principle that when a current carrying conductor is placed in a.