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MCQs

Total Questions : 125 | Page 10 of 13 pages
Question 91. In thermal-electrical analogy charge is considered analogous to
  1.    heat flow
  2.    reciprocal of heat flow
  3.    reciprocal of temperature
  4.    temperature
  5.    none of the above
 Discuss Question
Answer: Option D. -> temperature
Question 92. An increase in gain, in most systems, leads to
  1.    smaller damping ratio
  2.    larger damping ratio
  3.    constant damping ratio
  4.    none of the above
 Discuss Question
Answer: Option A. -> smaller damping ratio
Question 93. The transient response of a system is mainly due to
  1.    inertia forces
  2.    internal forces
  3.    stored energy
  4.    friction
 Discuss Question
Answer: Option C. -> stored energy
Question 94. In case of type-1 system steady state acceleration is
  1.    unity
  2.    infinity
  3.    zero
  4.    10
 Discuss Question
Answer: Option B. -> infinity
Question 95. Which of the following is the best method for determining the stability and transient response ?
  1.    Root locus
  2.    Bode plot
  3.    Nyquist plot
  4.    None of the above
 Discuss Question
Answer: Option A. -> Root locus
Question 96. A conditionally stable system exhibits poor stability at
  1.    low frequencies
  2.    reduced values of open loop gain
  3.    increased values of open loop gain
  4.    none of the above
 Discuss Question
Answer: Option B. -> reduced values of open loop gain
Question 97. Is a part of the human temperature control system.
  1.    Digestive system
  2.    Perspiration system
  3.    Ear
  4.    Leg movement
 Discuss Question
Answer: Option B. -> Perspiration system
Question 98. Which of the following is the non-linearity caused by servomotor ?
  1.    Static friction
  2.    Backlash
  3.    Saturation
  4.    None of the above
 Discuss Question
Answer: Option C. -> Saturation
Question 99. Which of the following is the input to a controller ?
  1.    Servo signal
  2.    Desired variable value
  3.    Error signal
  4.    Sensed signal
 Discuss Question
Answer: Option C. -> Error signal
Question 100. The output of a feedback control system must be a function of
  1.    reference and output
  2.    reference and input
  3.    input and feedback signal
  4.    output and feedback signal
 Discuss Question
Answer: Option A. -> reference and output

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