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
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
Question 3
Iron loss is further divided into ?
A. 1
B. 2
C. 3
D. 4
Question 4
The eddy current loss is minimized by making the core with thin laminations
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 5
Copper losses vary as the square of the load_______
A. resistance
B. voltage
C. current
D. All of the above
Question 6
Which loss occur due to the presence of leakage field?
A. Hysteresis losses
B. Dielectric Loss
C. Radiative Loss
D. Stray Loss
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
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
Question 9
Silicon steel used in laminations, because it reduces ________________
A. Hysteresis loss
B. Eddy current losses
C. Copper losses
D. Can not say
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