A. disturbance
B. command
C. control element
D. reference input
Related Mcqs:
- signal will become zero when the feedback signal and reference signs are equal?
A. Input
B. Actuating
C. Feedback
D. Reference - Any externally introduced signal affecting the controlled output is called a______________?
A. feedback
B. stimulus
C. signal
D. gain control - _____________is the reference input minus the primary feedback?
A. Manipulated variable
B. Zero sequence
C. Actuating signal
D. Primary feedback - Static error coefficients are used as a measure of the effectiveness of closed loop systems for specified ___________ input signal?
A. acceleration
B. velocity
C. position
D. all of the above - 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 - The second derivative input signals modify which of the following ?
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
F. None of the above - If a step function is applied to the input of a system and the output remains below a certain level for all the time, the system is_____________?
A. not necessarily stable
B. stable
C. unstable
D. always unstable
F. any of the above - Velocity error constant of a system is measured when the input to the system is unit ___________ function?
A. parabolic
B. ramp
C. impulse
D. step - In closed loop control system, with positive value of feedback gain the overall gain of the system will______________?
A. decrease
B. increase
C. be unaffected
D. any of the above - A control system in which the control action is somehow dependent on the output is known as____________?
A. Closed loop system
B. Semiclosed loop system
C. Open system
D. None of the above
