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MCQs

Total Questions : 604 | Page 8 of 61 pages
Question 71. Which of the following is the electrical analogous element for displacement in force-voltage analogy?
  1.     Flux.
  2.     Charge.
  3.     Current.
  4.     Voltage.
 Discuss Question
Answer: Option B. ->  Charge.
Question 72. Which of the following is/are the characteristics of negative feedback control system?
  1.    All of these
  2.     Rejection of disturbance signals
  3.     Low sensitivity to parameter variations
  4.     Reduction in gain at the expense of better stability
 Discuss Question
Answer: Option A. -> All of these
Question 73. Accurate and reliable output is possible with which of the following system?
  1.     Closed loop control system
  2.    None of these
  3.     Both 1 and 2
  4.     Open loop control system
 Discuss Question
Answer: Option A. ->  Closed loop control system
Question 74. Which of the following combinations is/are correct electrical analogous elements in force-current analogy?
  1.     Spring element (K) --------- Inverse inductance (1/L)
  2.    All of these
  3.     Force (f) --------------------- Current (i)
  4.     Velocity (v) ----------------- Voltage (V)
 Discuss Question
Answer: Option B. -> All of these
Question 75. Which of the following is/are the example of actuator?
  1.     All
  2.     Electric motor
  3.     Hydraulic motor
  4.     Pneumatic motor
 Discuss Question
Answer: Option A. ->  All
Question 76. In signal flow graph output node is node having only------------
  1.     incoming branches
  2.     outgoing branches
  3.     both 1 and 2
  4.    None of these
 Discuss Question
Answer: Option A. ->  incoming branches
Question 77. The transfer function for tachometer E(S)/θ(S) is
  1.     K/S
  2.     K
  3.     KS
  4.     KS2
 Discuss Question
Answer: Option C. ->  KS
Question 78. Open loop transfer function,
  1.     all pass filter.
  2.     band reject filter.
  3.     band stop filter.
  4.    None of these
 Discuss Question
Answer: Option A. ->  all pass filter.
Question 79. The step response of the system described by the differential equation will be
  1.     e-3t u(t).
  2.     non of above.
  3.     (1/6)*(1-e-6t).
  4.     e6t.
 Discuss Question
Answer: Option C. ->  (1/6)*(1-e-6t).
Question 80. Transient state analysis deals with -------------
  1.    None of these
  2.     magnitude of error
  3.     both 1 and 2
  4.     nature of response
 Discuss Question
Answer: Option D. ->  nature of response

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