A Best Way To Crack Gorenment Job Exams

Electrical Engineering Objective Questions { Control System }

148. Which of the following system provi des provides excellent transient as well as steady state response?
A. proportional action
B. proportional plus integral action
C. proportional plus differential action
D. proportional plus integral actions plus differential action
Discuss in Forum

149. In an absolutely stable control system, oscillations
A. can not set up at all
B. can be set up but may be controlled
C. set up automatically get damped out eventually
D. are always present
Discuss in Forum

150.  Main cause of absolute instability in a
A. parameters of controlling system
B. parameters of the controlled system
C. parameters of the feedback system
D. error detector where the two signals are compared
Discuss in Forum

151.  The output of the controller in control system is fed to
A. amplifier
B. comparator
C. final control element
D. sensor
Discuss in Forum

152.  The on-off controller is a
A. linear device
B. nonlinear device
C. discontinuous device
D. none of these
Discuss in Forum

153.  The input to a controller is
A. a servo signal
B. an error signal
C. a sensed signal
D. none of these
Discuss in Forum

154.  Error signal in a control system is
A. the difference between the measured value and the set value
B. the sum of the measured value and the set value
C. the ratio of the measured value to the set value
D. the ratio of the set value to the measured value
Discuss in Forum

Page 22 of 47

« 20 21  22  2324 »