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MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

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Silicon Controlled Rectifiers-4

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

Take a look at these MCQ Questions Electrical Engineering Silicon Controlled Rectifiers 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 Silicon Controlled Rectifiers. 
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.

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers - Set - 4

Question 1: 

In an SCR circuit the supply voltage is generally ……….. that of breakover voltage

  1. Equal to
  2. Less than
  3. Greater than
  4. None of the above

Correct Answer – (B)

Question 2 : 

An SCR is turned off by …………….

  1. Reducing anode voltage to zero
  2. Reducing gate voltage to zero
  3. Reverse biasing the gate
  4. None of the above

Correct Answer – (A)

Question 3 : 

The control element of an SCR is ………….

  1. Cathode
  2. Anode
  3. Anode supply
  4. Gate

Correct Answer – (D)

Question 4 : 

In normal operation of an SCR, gate is ………..w.r.t. cathode

  1. Positive
  2. Negative
  3. At zero potential
  4. None of the above

Correct Answer – (A)

Question 5 : 

An SCR is made of ………….

  1. Germanium
  2. Silicon
  3. Carbon
  4. None of the above

Correct Answer – (B)

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

Question 6: 

An SCR is a ……………….. triggered device

  1. Voltage
  2. Current
  3. Voltage as well as current
  4. None of the above

Correct Answer – (B)

Question 7: 

The normal way to turn on a SCR is by ……………..

  1. Breakover voltage
  2. Appropriate anode current
  3. Appropriate gate current
  4. None of the above

Correct Answer – (C)

Question 8: 

An SCR combines the features of …………..

  1. A rectifier and resistance
  2. A rectifier and transistor
  3. A rectifier and capacitor
  4. None of the above

Correct Answer – (B)

Question 9: 

In the normal operation of an SCR, anode is …………… w.r.t. cathode

  1. At zero potential
  2. Negative
  3. Positive
  4. None of the above

Correct Answer – (C)

Question 10: 

An SCR is sometimes called …………

  1. Triac
  2. Diac
  3. Unijunction transistor
  4. Thyristor

Correct Answer – (D)

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers
Set 1
Set 2
Set 3
Set 4
Set 5

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