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Design Features MCQ Questions & Answers

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

Question 1

At high voltages, the current transformers are enclosed in a tank.

A. True
B. False

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Question 2

Coils of a C.T. are separately wound.

A. True
B. False

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Question 3

In a 1000/5 A C.T., the number of secondary turns would be ________

A. 200
B. 199 or 198
C. 5
D. 1000

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Question 4

In a shell type of core, the windings are ________

A. in the form of the shell
B. shorted with the primary windings
C. not wound
D. placed on the central limb

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Question 5

In the ring type of core, the secondary winding is ________

A. non-uniformly distributed over the core
B. shorted with the primary winding
C. uniformly distributed over the core
D. connected in the form of a ring

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Question 6

Mumetal has ________

A. low permeability, high loss
B. high permeability, medium loss
C. medium permeability, high loss
D. high permeability, low loss

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Question 7

Perminder has __________

A. medium saturation point of permeability
B. low saturation point of permeability
C. no saturation point of permeability
D. high saturation point of permeability

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Question 8

Secondary and primary windings consist of ________

A. copper turns
B. 14 S.W.G copper wire and copper strip respectively
C. iron coils wound around
D. laminations

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Question 9

The secondary leakage reactance of a C.T. ____________

A. increases its ratio error
B. decreases its ratio error
C. has no effect on its ratio error
D. increases the impedance of the circuit

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Question 10

The windings of a C.T. are ________

A. tied together
B. shorted
C. wound over one another
D. grounded

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Question 11

Turns compensation is used to obtain ________

A. to compensate the turns
B. to equalise the turns on the windings
C. to protect the equipment
D. transformation ratio equal to nominal ratio

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Question 12

What is the effect of reducing the secondary turns in a C.T. by 1%?

A. transformation ratio reduces by the same value
B. no effect
C. nominal ratio increase by the same value
D. secondary current increases by the same value

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