Explore topic-wise MCQs in Transformers.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Transformers knowledge and support exam preparation. Choose a topic below to get started.

1.

How temperature rise of an oil-immersed transformer is not found out?

A. Short circuit equivalent test
B. Delta/delta test
C. Back-to-back test
D. Normal SC test
Answer» E.
Discussion
2.

Which of the following is not in the category of special test for a transformer?

A. Short-circuit test
B. Harmonics on the no-load current
C. Power taken by fan and oil-pump motors
D. Open-circuit test
Answer» E.
Discussion
3.

Which of the following tests don t indicate that transformer will work satisfactorily for at least 30 Years?

A. Temperature rise
B. Dielectric test
C. Overvoltage test
D. Load current runs
Answer» B. Dielectric test
Discussion
4.

Which of the following parameters don t define that transformer is built correctly?

A. Losses
B. Polarity
C. Tap changing operation
D. Ratio
Answer» B. Polarity
Discussion
5.

Which of the following is not a routine test for transformers?

A. Impedance test
B. Core insulation voltage test
C. Radio interference test
D. Polarity test
Answer» D. Polarity test
Discussion