Which of the following is/are the advantages of a closed loop control system? both 1 and 2. The closed loop systems are accurate. nether 1 nor 2. The closed loop systems are less affected by noise. TRUE ANSWER : ? YOUR ANSWER : ?
Electrical analogous quantity for dash-pot in force-current analogy is capacitance. conductance. inductance. resistance. TRUE ANSWER : ? YOUR ANSWER : ?
The open loop transfer function of a unity feedback system is given by G(s) = 1/(s+2)². The closed loop transfer function will have poles at -2,-2 -2+j,-2-j -2,-1 -2,2 TRUE ANSWER : ? YOUR ANSWER : ?
If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 0.5 2 1 4 TRUE ANSWER : ? YOUR ANSWER : ?
If a circuit consists of two mass elements, two spring elements and four friction elements. Find the order of transfer function? 4 6 2 12 TRUE ANSWER : ? YOUR ANSWER : ?
Transient response is improved in case of lag network. none of these. both A and B. lead network. TRUE ANSWER : ? YOUR ANSWER : ?
Lowest critical frequency is due to zero and it may be present at the origin or nearer to the origin, then the type of network is RL Circuit. LC circuit. RC circuit. RLC circuit. TRUE ANSWER : ? YOUR ANSWER : ?
Let P = Number of open loop poles and Z = Number of open loop zeros and P > Z, find the number of branches terminating at ∞? P - Z P Any of the above Z TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following combinations is/are correct electrical analogous elements in force-current analogy? All of these Spring element (K) --------- Inverse inductance (1/L) Velocity (v) ----------------- Voltage (V) Force (f) --------------------- Current (i) TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following is the steady state error for a step input applied to a unity feedback system with the open loop transfer function G(s) = 10/(s²+14s+50)? 0 infinite 1 0.83 TRUE ANSWER : ? YOUR ANSWER : ?