Lakshya Education MCQs

Question: Phase margin of a system is used to specify which of the following ?
Options:
A.Frequency response
B.Absolute stability
C.Relative stability
D.Time response
Answer: Option C

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More Questions on This Topic :

Question 1. 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 2. The second derivative input signals modify which of the following ?
  1.    The time constant of the system
  2.    Damping of the system
  3.    The gain of the system
  4.    The time constant and suppress the oscillations
  5.    None of the above
Answer: Option D
Question 3. 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 4. 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
Question 5. Transfer function of a system is used to calculate which of the following ?
  1.    The order of the system
  2.    The time constant
  3.    The output for any given input
  4.    The steady state gain
Answer: Option C
Question 6. A closed loop system is distinguished from open loop system by which of the following ?
  1.    Servomechanism
  2.    Feedback
  3.    Output pattern
  4.    Input pattern
Answer: Option B

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