Control Systems The following transfer function represents a phase-lead compensator? (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) (s+4)/(s+6) (4s+2)/(6s+1) 1/s (s+4)/(3s+6) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Find the stability for the following transfer function G(s) = 50/s(s+5) ? Stable Marginally stable Critically stable Unstable Stable Marginally stable Critically stable Unstable 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 gain k is increased to infinity, then damping ratio will tend to become 0.707 unity infinite zero 0.707 unity infinite zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Reduces the overall gain. Oscillatory response. Complex and costly. All of these Reduces the overall gain. Oscillatory response. Complex and costly. ANSWER DOWNLOAD EXAMIANS APP
Control Systems 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 0.5 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time constant is defined as the time taken by the response of the system to reach ----------- ? 70.7% of the final value 50% of the final value 63% of the final value 100% of the final value 70.7% of the final value 50% of the final value 63% of the final value 100% of the final value ANSWER DOWNLOAD EXAMIANS APP
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