Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): GM and PM both +ve. GM -ve. GM and PM both -ve. PM - ve. GM and PM both +ve. GM -ve. GM and PM both -ve. PM - ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Differentiation of parabolic response is a -------------- response? ramp impulse parabolic step ramp impulse parabolic step ANSWER DOWNLOAD EXAMIANS APP
Control Systems The following transfer function represents a phase-lead compensator? (s+4)/(3s+6) (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) (s+4)/(s+6) (4s+2)/(6s+1) 1/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 1/(s² + s + 1) All of these 4/(s² + 2s + 4) 2/(s² + 2s + 2) 1/(s² + s + 1) All of these 4/(s² + 2s + 4) 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A cascade of three linear time invariant systems is causal and unstable. From this we conclude that the majority are unstable and the majority are causal. each system in the cascade is individually caused and unstable. at least one system is causal and all systems are unstable. at least one system is unstable and at least one system is causal. the majority are unstable and the majority are causal. each system in the cascade is individually caused and unstable. at least one system is causal and all systems are unstable. at least one system is unstable and at least one system is causal. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The unit impulse response of second order system is 1/6 * e-0.8t sin(0.6t). THen the natural frequency is 0.8 rad/s 2 rad/s 0.6 rad/s 1 rad/s 0.8 rad/s 2 rad/s 0.6 rad/s 1 rad/s ANSWER DOWNLOAD EXAMIANS APP
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