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MCQs

Total Questions : 60 | Page 6 of 6 pages
Question 51. In which of the following categories RLC network can be included?
  1.    Zero-order system
  2.    First-order system
  3.    Second-order system
  4.    Third-order system
 Discuss Question
Answer: Option C. -> Second-order system
Answer: (c).Second-order system
Question 52. For an RC network with R=1KΩ and C=100µF. What will be the time constant of a system?
  1.    0.1
  2.    1
  3.    10
  4.    0.01
 Discuss Question
Answer: Option A. -> 0.1
Answer: (a).0.1
Question 53. How we can express Laplace transform of component capacitor?
  1.    Cs
  2.    C
  3.    1/sC
  4.    1/C
 Discuss Question
Answer: Option C. -> 1/sC
Answer: (c).1/sC
Question 54. What is the natural frequency of RLC circuit?
  1.    LC
  2.    RLC
  3.    √LC
  4.    1/(√LC)
 Discuss Question
Answer: Option D. -> 1/(√LC)
Answer: (d).1/(√LC)
Question 55. What is the Laplace transform of the component inductor?
  1.    sL
  2.    L
  3.    L/s
  4.    s²L
 Discuss Question
Answer: Option A. -> sL
Answer: (a).sL
Question 56. Torque developed by a DC motor will be proportional to armature current.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 57. Which of the following represents for torque speed characteristic for dc motor?
  1.    Positive slope
  2.    Negative slope
  3.    Slope zero
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Negative slope
Answer: (b).Negative slope
Question 58. Which of the following is the correct conversion in an electro mechanical system?
  1.    Electrical to electrical
  2.    Electrical to mechanical
  3.    Mechanical to electrical
  4.    Both electrical to mechanical and mechanical to electrical
 Discuss Question
Answer: Option D. -> Both electrical to mechanical and mechanical to electrical
Answer: (d).Both electrical to mechanical and mechanical to electrical
Question 59. For a constant field dc motor, what is the relation between the mechanical time constant and armature resistance?
  1.    Direct proportionality
  2.    Inverse proportionality
  3.    Double
  4.    Equal
 Discuss Question
Answer: Option A. -> Direct proportionality
Answer: (a).Direct proportionality
Question 60. What is the relation between eddy current damping coefficient and resistance in PMMC device?
  1.    Direct proportionality
  2.    Inverse proportionality
  3.    Constant
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Inverse proportionality
Answer: (b).Inverse proportionality

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