Control Systems Which of the following represents the value of resonant frequency (ωr)? (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- stable unstable critical stable marginally stable stable unstable critical stable marginally stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems Error at corner frequency ωcf of first order control system is ------- ±4 db ±3 db ±1 db ±2 db ±4 db ±3 db ±1 db ±2 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a mass element is (where, x = displacement) M dx/dt any of the above M *x M d2x/dt2 M dx/dt any of the above M *x M d2x/dt2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a < b, p >q a < b, p < q a > b, p > q a > b, p < q a < b, p >q a < b, p < q a > b, p > q a > b, p < q ANSWER DOWNLOAD EXAMIANS APP
Control Systems Resonant peak of a marginally stable system is infinite 0 any of the above finite value infinite 0 any of the above finite value ANSWER DOWNLOAD EXAMIANS APP
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