Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its closed loop transfer function is (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? Remains unaffected None of these 2 times 1/2 times Remains unaffected None of these 2 times 1/2 times ANSWER DOWNLOAD EXAMIANS APP
Control Systems The position and velocity error coefficient for the transfer function given below are respectively 0 and 0. 50 and 0. 50 and infinity. 0 and infinity. 0 and 0. 50 and 0. 50 and infinity. 0 and infinity. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system is defined by the following equation: 4 d²c(t)/dt² + 8 dc(t)/dt + 16 c(t) = 16 u(t) The damping ratio and natural frequency for this system are respectively 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s 0.50 and 4 rad/s 0.25 and 2 rad/s 0.25 and 4 rad/s 0.50 and 2 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 5/(s+1)(s+5) 1/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s² + 5 + 1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems If a body has identical properties all over, it is known as isotropic. elastic. none of them. homogeneous. isotropic. elastic. none of them. homogeneous. ANSWER DOWNLOAD EXAMIANS APP
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