Control Systems The following transfer function represents a phase-lead compensator? 1/s (s+4)/(s+6) (s+4)/(3s+6) (4s+2)/(6s+1) 1/s (s+4)/(s+6) (s+4)/(3s+6) (4s+2)/(6s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become infinite 0.707 unity zero infinite 0.707 unity zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems A property of phase lead compensation is that the gain margin is reduced. overshoot is increased. rise time of closed loop system is reduced. bandwidth of closed loop system is reduced. gain margin is reduced. overshoot is increased. rise time of closed loop system is reduced. bandwidth of closed loop system is reduced. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation of a control system is given by What are the angles of asymptotes of the root loci for k ≥ 0? 0°, 180°, 300° 120°, 180°, 240° 0°, 120°, 240° 60°, 180°, 300° 0°, 180°, 300° 120°, 180°, 240° 0°, 120°, 240° 60°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 1.5 Volt. 1.0 Volt. 2.0 Volt. 2.5 Volt. 1.5 Volt. 1.0 Volt. 2.0 Volt. 2.5 Volt. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A cascade of three linear time invariant systems is causal and unstable. From this we conclude that at least one system is unstable and at least one system is causal. at least one system is causal and all systems are unstable. the majority are unstable and the majority are causal. each system in the cascade is individually caused and unstable. at least one system is unstable and at least one system is causal. at least one system is causal and all systems are unstable. the majority are unstable and the majority are causal. each system in the cascade is individually caused and unstable. ANSWER DOWNLOAD EXAMIANS APP
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