In an open loop control system____________?
(A) Output is independent of control input
(B) Output is dependent on control input
(C) Only system parameters have effect on the control output
(D) None of the above
Which of the following statements is not necessarily correct for open control system ?
(A) Input command is the sole factor responsible for providing the control action
(B) Presence of non-linearities causes malfunctioning
(C) Less expensive
(D) Generally free from problems of non-linearities
The initial response when tne output is not equal to input is called_____________?
(A) Transient response
(B) Error response
(C) Dynamic response
(D) Either of the above
A good control system has all the following features except_____________?
(A) good stability
(B) slow response
(C) good accuracy
(D) sufficient power handling capacity
Which of the following devices are commonly used as error detectors in instruments ?
(A) Vernistats
(B) Microsyns
(C) Resolvers
(D) Any of the above
By which of the following the control action is determined when a man walks along a path ?
(A) Brain
(B) Hands
(C) Legs
(D) Eyes
Which of the following should be done to make an unstable system stable ?
(A) The gain of the system should be decreased
(B) The gain of the system should be increased
(C) The number of poles to the loop transfer function should be increased
(D) The number of zeros to the loop transfer function should be increased
_______________is a closed loop system?
(A) Auto-pilot for an aircraft
(B) Direct current generator
(C) Car starter
(D) Electric switch
A closed loop system is distinguished from open loop system by which of the following ?
(A) Servomechanism
(B) Feedback
(C) Output pattern
(D) Input pattern
An automatic toaster is a ___________ loop control system?
(A) open
(B) closed
(C) partially closed
(D) any of the above