MCQ Questions Electrical Engineering Polyphase Induction Motors

Electrical Engineering polyphase induction motor-5

MCQ Questions Electrical Engineering Polyphase Induction Motors

Take a look at these MCQ Questions Electrical Engineering Polyphase Induction Motors 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 Polyphase Induction Motors
 

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 Polyphase Induction Motors

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 Polyphase Induction Motors are given below.

MCQ Questions Electrical Engineering Polyphase Induction Motors - Set - 5

Question 1: 

In an induction motor, no-load the slip is generally

A. Less than 1 %

B. 1.5 %

C. 2 %

D. 4 %

Correct Answer – (A)

Question 2 : 

In a squirrel cage motor the induced e.m.f. is

A. Dependent on the shaft loading

B. Dependent on the number of slots

C. Slip times the stand still e.m.f. induced in the rotor

D. None of the above

Correct Answer – (C)

Question 3 : 

In a three-phase induction motor

A. Power factor at starting is high as compared to that while running

B. Power factor at starting is low as compared to that while running

C. Power factor at starting in the same as that while running

D. None of these

Correct Answer – (B)

Question 4 : 

The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type

A. Star connected only

B. Delta connected only

C. Both (A) and (B)

D. None of the above

Correct Answer – (C)

Question 5 : 

In a star-delta starter of an induction motor

A. Resistance is inserted in the stator

B. Reduced voltage is applied to the stator

C. Resistance is inserted in the rotor

D. Applied voltage per stator phase is 57.7% of the line voltage

Correct Answer – (D)

MCQ Questions Electrical Engineering Polyphase Induction Motors​

Question 6: 

Size of a high speed motor as compared to low speed motor for the same H.P. will be

A. Bigger

B. Smaller

C. Same

D. Any of the above

Correct Answer – (B)

Question 7: 

In the circle diagram for induction motor, the diameter of the circle represents

A. Slip

B. Rotor current

C. Running torque

D. Line voltage

Correct Answer – (B)

Question 8: 

In squirrel cage induction motors, the rotor slots are usually given slight skew in order to

A. Reduce windage losses

B. Reduce eddy currents

C. Reduce accumulation of dirt and dust

D. Reduce magnetic hum

Correct Answer – (D)

Question 9: 

The shape of the torque/slip curve of induction motor is

A. Parabola

B. Hyperbola

C. Rectangular parabola

D. Straight line

Correct Answer – (C)

Question 10: 

Insertion of resistance in the stator of an induction motor

A. Increases the load torque

B. Decreases the starting torque

C. Increases the starting torque

D. None of the above

Correct Answer – (B)

MCQ Questions Electrical Engineering Polyphase Induction Motors​

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