With feed back _____ reduces.
A. system stability
B. system gain
C. system stability and gain
D. none of the above
Answer: Option B
In a system low friction coefficient facilitates
A. Reduced velocity lag error
B. Increased velocity lag error
C. Increased speed of response
D. Reduced time constant of the system
In pneumatic control systems the control valve used as final control element converts
A. Pressure signal to electric signal
B. Pressure signal to position change
C. Electric signal to pressure signal
D. Position change to pressure signal
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
If the gain of the critical damped system is increased it will behave as
A. oscillatory
B. critically damped
C. overdamped
D. underdamped
E. none of the above
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