MCQ Questions Electrical Engineering Rectifiers and Convertors

Electrical Engineering Rectifiers and Convertors-5

MCQ Questions Electrical Engineering Rectifiers And Convertors

Take a look at these MCQ Questions Electrical Engineering Rectifiers And Convertors 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 Rectifiers And Convertors
 

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 Rectifiers And Convertors

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 Rectifiers And Convertors are given below.

MCQ Questions Electrical Engineering Rectifiers And Convertors - Set - 5

Question 1: 

Ageing of a selenium rectifier may change the output voltage by
(a) 5 to 10 per cent
(b) 15 to 20 per cent
(c) 25 to 30 per cent
(d) none of the above

Correct Answer – (A)

Question 2 : 

Selenium rectifier can be operated at temperatures as high as
(a) 25°C
(b) 40°C
(c) 60°C
(d) 75°C

Correct Answer – (D)

Question 3 : 

The efficiency of the copper oxide rectifier seldom exceeds
(a) 90 to 95%
(b) 85 to 90%
(c) 80 to 85%
(d) 65 to 75%

Correct Answer – (D)

Question 4 : 

The metal rectifiers are preferred to valve rectifiers due to which of the following advantages ?
(a) They are mechanically strong
(b) They do not require any voltage for filament heating
(c) Both (a) and (b)
(d) None of the above

Correct Answer – (C)

Question 5 : 

In phase-shift control method the control is carried out by varying the of grid voltage.
(a) magnitude
(b) polarity
(c) phase
(d) any of the above

Correct Answer – (C)

MCQ Questions Electrical Engineering Rectifiers And Convertors

Question 6: 

In selenium rectifiers efficiencies ranging from ______ to ______ percent are attainable
(a) 25, 35
(b) 40, 50
(c) 60, 70
(d) 75, 85

Correct Answer – (D)

Question 7: 

Copper oxide rectifier is usually designed not to operate above
(a) 10°C
(b) 20°C
(c) 30°C
(d) 45°C

Correct Answer – (D)

Question 8: 

Which of the following statement is incorrect ?
(a) Copper oxide rectifier is a linear device
(b) Copper oxide rectifier is not a perfect rectifier
(c) Copper oxide rectifier has a low efficiency
(d) Copper oxide rectifier finds use in control circuits

Correct Answer – (A)

Question 9: 

In a phase-shift control method, the phase shift between anode and grid voltages can be achieved by means of
(a) shunt motor
(b) synchronous motor
(c) induction regulator
(d) synchronous generator

Correct Answer – (C)

Question 10: 

In mercury arc rectifiers having grid, the arc can be struck between anode and cathode only when the grid attains a certain potential, this potential being known as
(a) maximum grid voltage
(b) critical grid voltage
(c) any of the above
(d) none of the above

Correct Answer – (B)

MCQ Questions Electrical Engineering Rectifiers And Convertors

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