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Three Winding Transformers - Transformers MCQs

Three Winding Transformers MCQs : This section focuses on the "Three Winding Transformers" 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

The third winding is constructed in addition to the primary and the secondary windings

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

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Question 2

The third winding is called the ?

A. secondary windings
B. primary windings
C. tertiary winding
D. None of the above

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Question 3

The voltage ratings of all the three windings of the transformer are usually?

A. unequal
B. equal
C. depends on windings
D. depends on transformer

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Question 4

Which winding has the highest voltage rating?

A. tertiary
B. secondary
C. primary
D. Can not say

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Question 5

Which of the following is an applications of tertiary winding?

A. The reactive power is supplied to the substations with the help of the tertiary winding
B. The tertiary winding reduces the impedance of the circuit so that the fault current easily passes to the ground
C. It is used for testing the high rating transformer
D. All of the above

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Question 6

Tertiary winding is generally _________

A. star connected
B. delta connected
C. open-delta connected
D. star or open-delta connected

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Question 7

Tertiary winding allows the flow of _______________

A. fifth harmonic currents
B. eleventh harmonic currents
C. third harmonic currents
D. seventh harmonic currents

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Question 8

Simple phase equivalent circuit of three winding transformer can be shown as ____________

A. simple star network
B. simple parallel network
C. simple series network
D. can be shown accordingly

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Question 9

The ____________ is carried out to determine the core loss

A. Short Circuit Test
B. Closed Circuit Test
C. Polarity Test
D. Open Circuit Test

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Question 10

The chief advantages of the three winding transformers is an economy of construction and their great efficiency.

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

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