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MCQs

Total Questions : 60 | Page 5 of 6 pages
Question 41. Name the Friction which acts till the body starts moving?
  1.    Dynamic friction
  2.    Static friction
  3.    Viscous friction
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Static friction
Answer: (b).Static friction
Question 42. What will you call the friction between a relative motion of two bodies?
  1.    Static friction
  2.    Dynamic friction
  3.    Viscous friction
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Viscous friction
Answer: (c).Viscous friction
Question 43. Transfer function of force acting on a body is given as 1/(s² M). What will be the transfer function of a rotating body?
  1.    1/(s² j)
  2.    1/j
  3.    1/sM
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> 1/(s² j)
Answer: (a).1/(s² j)
Question 44. What is the equivalent quantity of capacitance in the transfer function of the viscous force?
  1.    Viscous force
  2.    Viscosity
  3.    Damping coefficient
  4.    Inertia
 Discuss Question
Answer: Option C. -> Damping coefficient
Answer: (c).Damping coefficient
Question 45. 20N force is acting on a 5Kg body. What will be its rate of change of velocity?
  1.    4m/s²
  2.    5m/s²
  3.    10m/s²
  4.    2m/s²
 Discuss Question
Answer: Option A. -> 4m/s²
Answer: (a).4m/s²
Question 46. Tacho generators are ______________
  1.    Zero-order system
  2.    First-order system
  3.    Second order system
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Zero-order system
Answer: (a).Zero-order system
Question 47. Most electrical indicating instruments are electromechanical systems since ________________
  1.    They are used to measure electric component
  2.    They are more precise
  3.    They require no external power to operate
  4.    They convert electrical quantity to mechanical quantity
 Discuss Question
Answer: Option D. -> They convert electrical quantity to mechanical quantity
Answer: (d).They convert electrical quantity to mechanical quantity
Question 48. Current to force and current to torque conversion is possible only for a constant current source.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 49. Transfer function of force motor is _____________
  1.    Kg
  2.    SKg
  3.    Kf
  4.    SKf
 Discuss Question
Answer: Option C. -> Kf
Answer: (c).Kf
Question 50. Which of the following represents transfer function of tacho-generators?
  1.    Kg
  2.    1/Kg
  3.    SKg
  4.    S²Kg
 Discuss Question
Answer: Option A. -> Kg
Answer: (a).Kg

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