Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are positive Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative Gain margin and phase margins are positive Gain margin and phase margins are negative Gain margin is negative but phase margin is positive Gain margin is positive but phase margin is negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems The impulse response of a system is c(t) = -te-t + 2 e-t (t>0). Its open loop transfer function is (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² (2s+2)/(s+1)² (2s+1)/(s+1)² (2s+1)/s² (2s+2)/s² ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the bandwidth of the system is very large, the system response is slower independent of bandwidth None of these faster slower independent of bandwidth None of these faster ANSWER DOWNLOAD EXAMIANS APP
Control Systems Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞? P Any of the above Z P - Z P Any of the above Z P - Z ANSWER DOWNLOAD EXAMIANS APP
Control Systems A transfer function has a zero at s = -1 and poles at s = -1 ± j1. The multiplier being unity, if the input is step function, the steady state response is given by 1∠0° 0.5∠0° 2∠90° 0.5∠10° 1∠0° 0.5∠0° 2∠90° 0.5∠10° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The characteristic equation has the following roots for over damped stable system? -2±j4 -2,-4 -2,2 -2,-2 -2±j4 -2,-4 -2,2 -2,-2 ANSWER DOWNLOAD EXAMIANS APP
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