Control Systems The optimum values of damping ratio is -------------- 0.9 to 1.1 0 to 2 0.3 to 5 0.3 to 0.7 0.9 to 1.1 0 to 2 0.3 to 5 0.3 to 0.7 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function y (t) satisfies the following differential equation : Where, δ (t) is the delta function. Assuming zero initial condition and denoting the unit step function by u(t), y(t) can be formed as e-tu(t). et. e-t. etu(t). e-tu(t). et. e-t. etu(t). ANSWER DOWNLOAD EXAMIANS APP
Control Systems In polar plots if the critical point '-1+j0' is enclosed then the system is -------- unstable stable critical stable marginally stable unstable stable critical stable marginally stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems A negative feedback closed loop control system is supplied to an input of 5 volt. The system has a forward gain of 1 and a feedback gain of 1. What is the output voltage? 2.0 Volt. 1.0 Volt. 2.5 Volt. 1.5 Volt. 2.0 Volt. 1.0 Volt. 2.5 Volt. 1.5 Volt. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 5/(s² + 5 + 1) 1/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A control system has open loop transfer function . Break away point is lies between 0 and 4. 0 and -4. -4 and -6. any of the above. 0 and 4. 0 and -4. -4 and -6. any of the above. ANSWER DOWNLOAD EXAMIANS APP