MCQ Questions Electrical Engineering D.C. 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 D.C. 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 D.C. Motors are given below.
MCQ Questions Electrical Engineering D.C. Motors - Set - 3
Question 1:
In D.C. motor which of the following can sustain the maximum temperature rise?
(a) Slip rings
(b) Commutator.
(c) Field winding
(d) Armature winding
Correct Answer – (C)
Question 2 :
In case-the conditions for maximum power for a D.C. motor are established, the efficiency of the motor will be
(a) 100%
(b) around 90%
(c) anywhere between 75% and 90%
(d) less than 50%
Correct Answer – (D)
Question 3 :
In D.C. machines fractional pitch winding is used
(a) to improve cooling
(b) to reduce copper losses
(c) to increase the generated e.m.f.
(d) to reduce the sparking
Correct Answer – (D)
Question 4 :
By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor?
(a) Frame
(b) Shaft
(c) Commutator
(d) Stator
Correct Answer – (C)
Question 5 :
In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be
(a) almost negligible
(b) rated full-load current
(c) less than full-load current
(d) more than full-load current
Correct Answer – (D)
MCQ Questions Electrical Engineering D.C. Motors
Question 6:
The ratio of starting torque to full-load torque is least in case of
(a) series motors
(b) shunt motors
(c) compound motors
(d) none of the above
Correct Answer – (B)
Question 7:
A three point starter is considered suitable for
(a) shunt motors
(b) shunt as well as compound motors
(c) shunt, compound and series motors
(d) all D.C. motors
Correct Answer – (B)
Question 8:
In which of the following applications D.C. series motor is invariably tried?
(a) Starter for a car
(b) Drive for a water pump
(c) Fan motor
(d) Motor operation in A.C. or D.C.
Correct Answer – (A)
Question 9:
These days D.C. motors are widely used in
(a) pumping sets
(b) air compressors
(c) electric traction
(d) machine shops
Correct Answer – (C)
Question 10:
In case of D.C. shunt motors the speed is dependent on back e.m.f. only because
(a) back e.m.f. is equal to armature drop
(b) armature drop is negligible
(c) flux is proportional to armature current
(d) flux is practically constant in D:C. shunt motors
Correct Answer – (D)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
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