Control Systems Time response for a second order system depends on value of ξ. If ξ = 1 then the system is called as under damped system. undamped system. critically damped system. over damped system. under damped system. undamped system. critically damped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the transfer function of a phase lead compensator is (s+a)/(s+b) and that of a lag compensator is (s+p)/(s+q), then which one of the following sets of conditions must be satisfied? a > b, p < q a > b, p > q a < b, p < q a < b, p >q a > b, p < q a > b, p > q a < b, p < q a < b, p >q ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a capacitor in parallel with the contacts. a reactor in the line. a resistor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. a reactor in the line. a resistor in the line. a capacitor in series with the contacts. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of sign changes in the entries in 1st column of Routh array denotes the no. of zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop zeroes in RHP. open loop poles in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop zeroes in RHP. open loop poles in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of 'a' in to give phase margin = 45o will be 0.9. 1.18. 1.414. 0.707. 0.9. 1.18. 1.414. 0.707. ANSWER DOWNLOAD EXAMIANS APP
Control Systems At which frequency does the Bode magnitude plots for the functions K/S2 have gain crossover frequency ω = K rad/sec. ω = K2 rad/sec. ω = √K rad/sec. ω = 0 rad/sec. ω = K rad/sec. ω = K2 rad/sec. ω = √K rad/sec. ω = 0 rad/sec. ANSWER DOWNLOAD EXAMIANS APP