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MCQs

Total Questions : 117 | Page 12 of 12 pages
Question 111. Instrument transformers can be easily replaced.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 112. The secondary winding of a P.T. has _________
  1.    a large number of turns
  2.    intermediate number of turns
  3.    no turns at all
  4.    a few turns
 Discuss Question
Answer: Option D. -> a few turns
Answer: (d).a few turns
Question 113. For a C.T. the nominal ratio is given by which of the following relation?
  1.    Kₙ = \(\frac{I_{p(rated)}}{I_{s(rated)}}\)
  2.    Kₙ = \(\frac{I_{s(rated)}}{I_{p(rated)}}\)
  3.    Kₙ = \(\frac{1}{I_{s(rated)}}\)
  4.    Kₙ = Iₚ(rated)
 Discuss Question
Answer: Option A. -> Kₙ = \(\frac{I_{p(rated)}}{I_{s(rated)}}\)
Answer: (a).Kₙ = \(\frac{I_{p(rated)}}{I_{s(rated)}}\)
Question 114. Ratio correction factor is defined as _________
  1.    reciprocal of nominal ratio
  2.    ratio of nominal ratio to transformation ratio
  3.    ratio of transformation ratio to nominal ratio
  4.    reciprocal of transformation ratio
 Discuss Question
Answer: Option C. -> ratio of transformation ratio to nominal ratio
Answer: (c).ratio of transformation ratio to nominal ratio
Question 115. For a P.T. the turns ratio is defined as the _________
  1.    n = Nₚ ⁄ Nₛ
  2.    n = 1 ⁄ Nₚ
  3.    n = Nₛ
  4.    n = Nₛ ⁄ Nₚ
 Discuss Question
Answer: Option A. -> n = Nₚ ⁄ Nₛ
Answer: (a).n = Nₚ ⁄ Nₛ
Question 116. For a C.T. the turns ratio is defined as the _________
  1.    n = Nₚ ⁄ Nₛ
  2.    n = 1 ⁄ Nₚ
  3.    n = Nₛ
  4.    n = Nₛ ⁄ Nₚ
 Discuss Question
Answer: Option D. -> n = Nₛ ⁄ Nₚ
Answer: (d).n = Nₛ ⁄ Nₚ
Question 117. For a P.T. the nominal ratio is given by which of the following relation?
  1.    Kₙ = \(\frac{V_{s(rated)}}{V_{p(rated)}}\)
  2.    Kₙ = \(\frac{V_{p(rated)}}{V_{s(rated)}}\)
  3.    Kₙ = \(\frac{1}{V_{s(rated)}}\)
  4.    Kₙ = Vₚ(rated)
 Discuss Question
Answer: Option B. -> Kₙ = \(\frac{V_{p(rated)}}{V_{s(rated)}}\)
Answer: (b).Kₙ = \(\frac{V_{p(rated)}}{V_{s(rated)}}\)

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