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MCQs

Total Questions : 120 | Page 3 of 12 pages
Question 21. Which of the following represents the use of including additional mass in acceleration transducer?
  1.    To prevent system response to transverse acceleration
  2.    To prevent system response to linear acceleration
  3.    To prevent system response to angular acceleration
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> To prevent system response to transverse acceleration
Answer: (a).To prevent system response to transverse acceleration
Question 22. Which of the following represents correct expression for sensitivity in a magnetostrictive transducer?
  1.    ΔB
  2.    ΔB/σ
  3.    σ
  4.    σ/ΔB
 Discuss Question
Answer: Option B. -> ΔB/σ
Answer: (b).ΔB/σ
Question 23. Which of the following torque can be measured using magnetostrictive transducers?
  1.    Large amplitude torque
  2.    Small amplitude torque
  3.    Torque of an amplitude
  4.    Cannot be used to measure torque
 Discuss Question
Answer: Option B. -> Small amplitude torque
Answer: (b).Small amplitude torque
Question 24. Magnetostrictive transducers are more sensitive than piezoelectric transducers.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 25. Magnetostrictive transducers can only be used in static forces.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 26. Hall Effect is a/an _____________
  1.    Electronic
  2.    Magnetic
  3.    Galvanic
  4.    Ionizing
 Discuss Question
Answer: Option C. -> Galvanic
Answer: (c).Galvanic
Question 27. Hall Effect is clearly visible in _______________
  1.    Pure conductors
  2.    Semiconductors
  3.    Super conductors
  4.    Metals
 Discuss Question
Answer: Option B. -> Semiconductors
Answer: (b).Semiconductors
Question 28. Which of the following represents the correct expression of Lorentz force?
  1.    Eₕ/b
  2.    eEₕ/b
  3.    eEₕ
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> eEₕ/b
Answer: (b).eEₕ/b
Question 29. At equilibrium Lorentz forces will be ____________ of Hall Effect force.
  1.    Double
  2.    Half
  3.    Equal
  4.    No proportionality
 Discuss Question
Answer: Option C. -> Equal
Answer: (c).Equal
Question 30. Hall potential is inversely proportional to magnetic flux density.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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