__________________can be extended to systems which are time-varying ?

A. Bode-nyquist stability methods
B. Transfer functions
C. Root locus design
D. State model representatives

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

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

The phase lag produced by transportation relays_____________?

A. Is independent of frequency
B. Is inverseh’proportional to frequency
C. Increases linearly with frequency
D. Decreases linearly with frequency

Addition of zeros in transfer function causes which of the following ?

A. Lead-compensation
B. Lag-compensation
C. Lead-lag compensation
D. 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

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

The type 2 system has __________ at the origin?

A. No net pole
B. Net pole
C. Simple pole
D. Two poles

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

Spring constant in force-voltage analogy is analogous to_____________?

A. Capacitance
B. Reciprocal of capacitance
C. Current
D. Resistance