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 - 3

Question 1:

An SCR behaves as a ……………. switch.

A. Unidirectional
B. Bidirectional
C. Mechanical
D. None of the above

Check Answer

Correct Answer – (A)

Question 2 :

An SCR has ………….. semiconductor layers

A. Two
B. Three
C. Four
D. None of the above

Check Answer

Correct Answer – (C)

Question 3 :

An SCR has …………….. pn junctions

A. Two
B. Three
C. Four
D. None of the above

Check Answer

Correct Answer – (B)

Question 4 :

An SCR has ___________ semiconductor layers

A. Two
B. Three
C. Four
D. None of the above

Check Answer

Correct Answer – (C)

Question 5 :

When SCR is OFF, the current in the circuit is ___________

A. Exactly zero
B. Small leakage current
C. Large leakage current
D. None of the above

Check Answer

Correct Answer – (B)

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

Question 6:

An SCR has three terminals viz ……………

A. Cathode, anode, gate
B. Anode, cathode, grid
C. Anode, cathode, drain
D. None of the above

Check Answer

Correct Answer – (A)

Question 7:

An SCR is a solid state equivalent of …………….

A. Triode
B. Pentode
C. Gas-filled triode
D. Tetrode

Check Answer

Correct Answer – (C)

Question 8:

An SCR combines the features of ___________

A. A rectifier and resistance
B. A rectifier and transistor
C. A rectifier and capacitor
D. None of the above

Check Answer

Correct Answer – (B)

Question 9:

An SCR is sometimes called ___________

A. Triac
B. Diac
C. Unijunction transistor
D. Thyristor

Check Answer

Correct Answer – (D)

Question 10:

If gate current is increased, then anode-cathode voltage at which SCR closes ___________

A. Is decreased
B. Is increased
C. Remains the same
D. None of the above

Check Answer

Correct Answer – (A)

MCQ Questions Electrical Engineering Silicon Controlled Rectifiers

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