In a control system integral error compensation _________________ steady state error?

Related Mcqs:

1. increases the steady state accuracy?

   A. Integrator
   B. Differentiator
   C. Phase lead compensator
   D. Phase lag compensator

2. Which of the following devices are commonly used as error detectors in instruments ?

   A. Vernistats
   B. Microsyns
   C. Resolvers
   D. Any of the above

3. 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

4. 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

5. The effect of error damping is to______________?

   A. provide larger settling lime
   B. delay the response
   C. reduce steady state error
   D. any of the above
   F. none of the above

6. Pressure error can be measured by which of the following ?

   A. Differential bellows and straingauge
   B. Selsyn
   C. Strain gauge
   D. Strain gauge and potentiometer

7. In open loop system_____________?

   A. the control action depends on the size of the system
   B. the control action depends on system variables
   C. the control action depends on the input signal
   D. the control action is independent of the output

8. 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

9. In an automatic control system which of the following elements is not used ?

   A. Error detector
   B. Final control element
   C. Sensor
   D. Oscillator

10. An increase in gain, in most systems, leads to_____________?

    A. smaller damping ratio
    B. larger damping ratio
    C. constant damping ratio
    D. none of the above