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-t. etu(t). e-tu(t). et. e-t. etu(t). e-tu(t). et. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system is stable for (where GM = Gain Margin and PM = Phase Margin): PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. PM - ve. GM and PM both -ve. GM -ve. GM and PM both +ve. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order system depends on the value of τ. If τ= 0 then the system is called as under damped system. critically damped system. undamped system. over damped system. under damped system. critically damped system. undamped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the advantages of a closed loop control system? The closed loop systems are less affected by noise. nether 1 nor 2. both 1 and 2. The closed loop systems are accurate. The closed loop systems are less affected by noise. nether 1 nor 2. both 1 and 2. The closed loop systems are accurate. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lead-lag lead lag-lead lag lead-lag lead lag-lead lag ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following is/are the characteristics of negative feedback control system? Rejection of disturbance signals All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations Rejection of disturbance signals All of these Reduction in gain at the expense of better stability Low sensitivity to parameter variations ANSWER DOWNLOAD EXAMIANS APP