Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? sin-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) sin-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) cos-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase of lead compensator of the system G ( s ) = ( s + a ) / ( s + b ) is at its maximum at: ab. √( a / b). a / b. √( ab ). ab. √( a / b). a / b. √( ab ). ANSWER DOWNLOAD EXAMIANS APP
Control Systems The Laplace transform of a transportation lag of 5 seconds is e5s. 1/(s+5). 1/(s-5). e-5s. e5s. 1/(s+5). 1/(s-5). e-5s. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system reduces gain. improves disturbance rejection. reduces sensitivity to parameter variation. All of these reduces gain. improves disturbance rejection. reduces sensitivity to parameter variation. All of these 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? 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° 120°, 180°, 240° 60°, 180°, 300° 0°, 120°, 240° 0°, 180°, 300° ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ None of these incoming branches outgoing branches both 1 and 2 None of these incoming branches outgoing branches both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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