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Transformer Losses - Transformers MCQs

Transformer Losses MCQs : This section focuses on the "Transformer Losses" in Transformers. These Multiple Choice Questions (MCQs) should be practiced to improve the Transformers skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

Which of the following is not types of Losses in a Transformer?

A. hysteresis loss
B. eddy current loss
C. resistance loss
D. dielectric loss

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Question 2

Which of the following is also known as Core loss

A. Iron Losses
B. Hysteresis Loss
C. Eddy Current Loss
D. Ohmic Loss

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Question 3

Iron loss is further divided into ?

A. 1
B. 2
C. 3
D. 4

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Question 4

The eddy current loss is minimized by making the core with thin laminations

C. Can be true or false
D. Can not say

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Question 5

Copper losses vary as the square of the load_______

A. resistance
B. voltage
C. current
D. All of the above

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Question 6

Which loss occur due to the presence of leakage field?

A. Hysteresis losses
B. Dielectric Loss
C. Radiative Loss
D. Stray Loss

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Question 7

Leakage flux in the transformer depends on _____________________

A. Load current and voltage
B. Load current, voltage and frequency
C. Load current, voltage, frequency and power factor
D. Load current

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Question 8

The full-load copper loss of a transformer is 1600 W. At half-load, the copper loss will be _______

A. 200 W
B. 400 W
C. 800 W
D. 1600 W

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Question 9

Silicon steel used in laminations, because it reduces ________________

A. Hysteresis loss
B. Eddy current losses
C. Copper losses
D. Can not say

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Question 10

Which of the following loss in a transformer is zero even at full load?

A. Core loss
B. Eddy current loss
C. Friction loss
D. Hysteresis loss

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