Control Systems Error at corner frequency ωcf of first order control system is ------- ±2 db ±4 db ±1 db ±3 db ±2 db ±4 db ±1 db ±3 db ANSWER DOWNLOAD EXAMIANS APP
Control Systems Transfer function of zero order hold response is (1 / s) × e-st. (1 / s) × (1 - est). (s) × (1 - est). (1 / s) × (1 - e-st). (1 / s) × e-st. (1 / s) × (1 - est). (s) × (1 - est). (1 / s) × (1 - e-st). ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the conditions for the system to be stable? Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin and phase margins are negative Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are positive Gain margin and phase margins are negative ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following represents the value of resonant frequency (ωr)? 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) 2*(ωn) √(1-ζ²) (ωn) √(1-ζ²/2) (ωn) √(1-ζ²) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a mass element is (where, x = displacement) M d2x/dt2 M *x any of the above M dx/dt M d2x/dt2 M *x any of the above M dx/dt 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 13/4 4/9 9/4 4/13 13/4 4/9 9/4 ANSWER DOWNLOAD EXAMIANS APP
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