Control Systems Which of the following is/are the characteristics of negative feedback control system? Rejection of disturbance signals All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability Rejection of disturbance signals All of these Low sensitivity to parameter variations Reduction in gain at the expense of better stability 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. √( ab ). √( a / b). a / b. ab. √( ab ). √( a / b). a / b. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following transfer functions represent under damped second order systems? 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) 4/(s² + 2s + 4) All of these 1/(s² + s + 1) 2/(s² + 2s + 2) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Advantages of open loop control system is/are All of these simple and economical. accurate. reliable. All of these simple and economical. accurate. reliable. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The position and velocity error coefficient for the transfer function given below are respectively 50 and 0. 50 and infinity. 0 and infinity. 0 and 0. 50 and 0. 50 and infinity. 0 and infinity. 0 and 0. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Negative feedback in a closed loop control system All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. All of these reduces sensitivity to parameter variation. reduces gain. improves disturbance rejection. ANSWER DOWNLOAD EXAMIANS APP
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