Error detector
Final control element
Sensor
Oscillator
Answer is Right!
Answer is Wrong!
Detailed SolutionIn an automatic control system which of the following elements is not used ?
Electrical control systems
32. A differentiator is usually not a part of a control system because it
reduces damping
reduces the gain margin
increases input noise
increases error
Answer is Right!
Answer is Wrong!
Detailed SolutionA differentiator is usually not a part of a control system because it
33. A conditionally stable system exhibits poor stability at
low frequencies
reduced values of open loop gain
increased values of open loop gain
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionA conditionally stable system exhibits poor stability at
34. The frequency and time domain are related through which of the following?
Laplace Transform and Fourier Integral
Laplace Transform
Fourier Integral
Either (B) or (C)
Answer is Right!
Answer is Wrong!
Detailed SolutionThe frequency and time domain are related through which of the following?
35. Is a part of the human temperature control system.
Digestive system
Perspiration system
Ear
Leg movement
Answer is Right!
Answer is Wrong!
Detailed SolutionIs a part of the human temperature control system.
36. A controller, essentially, is a
sensor
clipper
comparator
amplifier
Answer is Right!
Answer is Wrong!
37. Spring constant in force-voltage analogy is analogous to
capacitance
reciprocal of capacitance
current
resistance
Answer is Right!
Answer is Wrong!
Detailed SolutionSpring constant in force-voltage analogy is analogous to
38. technique is not applicable to nonlinear system ?
Nyquist Criterion
Quasi linearization
Functional analysis
Phase-plane representation
Answer is Right!
Answer is Wrong!
Detailed Solutiontechnique is not applicable to nonlinear system ?
39. The second derivative input signals modify which of the following ?
The time constant of the system
Damping of the system
The gain of the system
The time constant and suppress the oscillations E. None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionThe second derivative input signals modify which of the following ?
40. Which of the following is the input to a controller ?
Servo signal
Desired variable value
Error signal
Sensed signal
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following is the input to a controller ?