Control Systems Find the conditions for the system to be stable? Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive Gain margin and phase margins are negative Gain margin and phase margins are positive Gain margin is positive but phase margin is negative Gain margin is negative but phase margin is positive ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the disadvantages of an open loop control system? both 1 and 2. Inaccurate. Unreliable. None of these both 1 and 2. Inaccurate. Unreliable. None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the relation of damped natural frequency (ωd) (ωn) √(1-ζ²) (ωn) √(1-4ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-2ζ²) (ωn) √(1-ζ²) (ωn) √(1-4ζ²) (ωn) √(1-1/ζ²) (ωn) √(1-2ζ²) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If the gain k is increased to infinity, then damping ratio will tend to become 0.707 zero infinite unity 0.707 zero infinite unity ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is the electrical analogous element for displacement in force-voltage analogy? Current. Charge. Voltage. Flux. Current. Charge. Voltage. Flux. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is 1. 5. 2. 10. 1. 5. 2. 10. ANSWER DOWNLOAD EXAMIANS APP