Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ?

Related Mcqs:

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...

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...

The transfer function is applicable to which of the following ?

A. Linear and time-in variant systems B. Linear and time-variant systems C. Linear systems D. Non-linear systems F. None of the above...

A phase lag lead network introduces in the output_______________?

A. lag at all frequencies B. lag at high frequencies and lead at low frequencies C. lag at low frequencies and lead at high frequencies D. none of the above...

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...