[amp_mcq option1=”Error detector” option2=”Final control element” option3=”Sensor” option4=”Oscillator” correct=”option4″]
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
[amp_mcq option1=”reduces damping” option2=”reduces the gain margin” option3=”increases input noise” option4=”increases error” correct=”option1″]
Detailed SolutionA differentiator is usually not a part of a control system because it
33. A conditionally stable system exhibits poor stability at
[amp_mcq option1=”low frequencies” option2=”reduced values of open loop gain” option3=”increased values of open loop gain” option4=”none of the above” correct=”option1″]
Detailed SolutionA conditionally stable system exhibits poor stability at
34. The frequency and time domain are related through which of the following?
[amp_mcq option1=”Laplace Transform and Fourier Integral” option2=”Laplace Transform” option3=”Fourier Integral” option4=”Either (B) or (C)” correct=”option1″]
Detailed SolutionThe frequency and time domain are related through which of the following?
35. Is a part of the human temperature control system.
[amp_mcq option1=”Digestive system” option2=”Perspiration system” option3=”Ear” option4=”Leg movement” correct=”option2″]
Detailed SolutionIs a part of the human temperature control system.
36. A controller, essentially, is a
[amp_mcq option1=”sensor” option2=”clipper” option3=”comparator” option4=”amplifier” correct=”option1″]
37. Spring constant in force-voltage analogy is analogous to
[amp_mcq option1=”capacitance” option2=”reciprocal of capacitance” option3=”current” option4=”resistance” correct=”option4″]
Detailed SolutionSpring constant in force-voltage analogy is analogous to
38. technique is not applicable to nonlinear system ?
[amp_mcq option1=”Nyquist Criterion” option2=”Quasi linearization” option3=”Functional analysis” option4=”Phase-plane representation” correct=”option1″]
Detailed Solutiontechnique is not applicable to nonlinear system ?
39. The second derivative input signals modify which of the following ?
[amp_mcq option1=”The time constant of the system” option2=”Damping of the system” option3=”The gain of the system” option4=”The time constant and suppress the oscillations E. None of the above” correct=”option4″]
Detailed SolutionThe second derivative input signals modify which of the following ?
40. Which of the following is the input to a controller ?
[amp_mcq option1=”Servo signal” option2=”Desired variable value” option3=”Error signal” option4=”Sensed signal” correct=”option3″]
Detailed SolutionWhich of the following is the input to a controller ?