MCQ Questions Electrical Engineering D.C. Generators

DC Generators-3

MCQ Questions Electrical Engineering D.C. Generators

Take a look at these MCQ Questions Electrical Engineering D.C. Generators for engineering interview questions and our tips on how to answer them. If you’re applying for an engineering internship, graduate scheme or entry-level job, you’ll face at least one interview as part of an engineering employer’s recruitment process. You may be interviewed by one or more members of the HR team, senior members of the engineering team you’d be joining or a mixture of both. In this section we will study MCQ Questions Electrical Engineering D.C. Generators
 

As well as questions about your reasons for applying to the role and the employer in question, engineering recruiters will be assessing your potential in the areas that is crucial to any engineering role: technical expertise. Engineers may be asked to perform feats of fantastic technical prowess, but it will be as as part of a Justice League rather than as a solo engineering superhero.

The interviewer is almost as nervous as the candidate in most interviews. You might wonder if you look confident enough, if you will hire the right person, or if you are asking the right engineering interview questions. The last question is arguably the most crucial part to worry about when you’re interviewing candidates.

The best engineering interview questions to ask candidates should be questions that reveal they have the skills required for the job. If you need a problem solver, ask questions about past experiences. If they need to have a specific skill set, ask them directly about their skills. This chapter consisting Electrical engineering MCQ Questions Electrical Engineering D.C. Generators

There are six major branches of engineering which include Electrical, Mechanical, Civil, Management, Geotechnical, and Chemical with many different subcategories under each main branch of engineering such as Structural or Biomedical engineering.

This article will get into the top engineering interview questions to ask candidates, eight types of interview questions, how to choose the questions you ask, and then will list excellent questions you can choose from. Let’s jump right in.

You can practice interviews using the resources available from our partners. MCQ Questions Electrical Engineering D.C. Generators are given below.

MCQ Questions Electrical Engineering D.C. Generators - Set - 3

Question 1: 

D.C. generators are connected to the busbars or disconnected from them only under the floating condition
(a) to avoid sudden loading of the primemover
(b) to avoid mechanicaljerk to the shaft
(c) to avoid burning of switch contacts
(d) all above

Correct Answer – (D)

Question 2 : 

If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be
(a) demagnetisation only
(b) cross magnetisation as well as mag¬netisation
(c) cross magnetisation as well as demagnetising
(d) cross magnetisation only

Correct Answer – (C)

Question 3 : 

The insulating material used between the commutator segments is normally
(a) graphite
(b) paper
(c) mica
(d) insulating varnish

Correct Answer – (C)

Question 4 : 

In case of a 4-pole D.C. generator provided with a two layer lap winding with sixteen coils, the pole pitch will be
(a) 4
(b) 8
(c) 16
(d) 32

Correct Answer – (B)

Question 5 : 

Brushes of D.C. machines are made of
(a) carbon
(b) soft copper
(c) hard copper
(d) all of above

Correct Answer – (A)

MCQ Questions Electrical Engineering D.C. Generators

Question 6: 

Armature reaction of an unsaturated D.C. machine is
(a) crossmagnetising
(b) demagnetising
(c) magnetising
(d) none of above

Correct Answer – (A)

Question 7: 

In D.C. generators, the brushes on commutator remain in contact with conductors which
(a) lie under south pole
(b) lie under north pole
(c) lie under interpolar region
(d) are farthest from the poles

Correct Answer – (C)

Question 8: 

The material for commutator brushes is generally
(a) mica
(b) copper
(c) cast iron
(d) carbon

Correct Answer – (D)

Question 9: 

If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by
(a)Blv
(b)Blv2
(c)Bl2v
(d)Bl2v2

Correct Answer – (A)

Question 10: 

In D.C. generators, current to the external circuit from armature is given through
(a) commutator
(b) solid connection
(c) slip rings
(d) none of above

Correct Answer – (A)

MCQ Questions Electrical Engineering D.C. Generators

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