Lakshya Education MCQs

Question: The second derivative input signals modify which of the following ?
Options:
A.The time constant of the system
B.Damping of the system
C.The gain of the system
D.The time constant and suppress the oscillations
E.None of the above
Answer: Option D

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More Questions on This Topic :

Question 1. In a stable control system saturation can cause which of the following ?
  1.    Low-level oscillations
  2.    High-level oscillations
  3.    Conditional stability
  4.    Overdamping
Answer: Option C
Question 2. Pressure error can be measured by which of the following ?
  1.    Differential bellows and straingauge
  2.    Selsyn
  3.    Strain gauge
  4.    Strain gauge and potentiometer
Answer: Option A
Question 3. Is the reference input minus the primary feedback.
  1.    Manipulated variable
  2.    Zero sequence
  3.    Actuating signal
  4.    Primary feedback
Answer: Option C
Question 4. The transfer function is applicable to which of the following ?
  1.    Linear and time-in variant systems
  2.    Linear and time-variant systems
  3.    Linear systems
  4.    Non-linear systems
  5.    None of the above
Answer: Option A
Question 5. Phase margin of a system is used to specify which of the following ?
  1.    Frequency response
  2.    Absolute stability
  3.    Relative stability
  4.    Time response
Answer: Option C
Question 6. In a stable control system backlash can cause which of the following ?
  1.    Underdamping
  2.    Overdamping
  3.    Poor stability at reduced values of open loop gain
  4.    Low-level oscillations
Answer: Option D

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