Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 2 1 4 0.5 2 1 4 0.5 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
Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 2.000. 0.693. 1.386. 0.500. 2.000. 0.693. 1.386. 0.500. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B dx/dt None of these B *x B d2x/dt2 B dx/dt None of these B *x B d2x/dt2 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 0.25 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 0.50 and 4 rad/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems In which of the following controller band width is increased? proportional plus integral controller nether 1 nor 2 both 1 and 2 proportional plus derivative controller proportional plus integral controller nether 1 nor 2 both 1 and 2 proportional plus derivative controller ANSWER DOWNLOAD EXAMIANS APP
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