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+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² (2s+2)/s² (2s+1)/s² (2s+1)/(s+1)² (2s+2)/(s+1)² ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) K *x K dx/dt K d2x/dt2 None of these K *x K dx/dt K d2x/dt2 None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is 180° 90° -180° -90° 180° 90° -180° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The output of the system has an effect upon the input quantity, then the system is a open loop control system. closed loop control system. either 1 or 2. None of these open loop control system. closed loop control system. either 1 or 2. None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the open loop DC gain of a unity feedback control system having closed loop transfer function as 4/13 9/4 4/9 13/4 4/13 9/4 4/9 13/4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a unity feedback control system open loop transfer function then velocity error constant is 50. 10. 0. infinity. 50. 10. 0. infinity. ANSWER DOWNLOAD EXAMIANS APP
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