Control Systems A linear time invariant system, initially at rest when subjected to a unit step input gave response c(t) = te-t (t ≥ 0). The transfer function of the system is s/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) s/(s+1)2 1/s(s+1)2 (s+1)2/s s/(s+1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Sparking between the contacts can be reduced by inserting a capacitor in series with the contacts. a capacitor in parallel with the contacts. a resistor in the line. a reactor in the line. a capacitor in series with the contacts. a capacitor in parallel with the contacts. a resistor in the line. a reactor in the line. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Number of sign changes in the entries in 1st column of Routh array denotes the no. of open loop poles in RHP. open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. open loop poles in RHP. open loop zeroes in RHP. zeroes of system in RHP. roots of characteristic polynomial in RHP. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a system given by The system is an over damped. an under damped. a critically damped. unstable. an over damped. an under damped. a critically damped. unstable. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following are the disadvantages of a closed loop control system? All of these Complex and costly. Oscillatory response. Reduces the overall gain. All of these Complex and costly. Oscillatory response. Reduces the overall gain. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Which of the following controller is also known as anticipatory controller? integral controller both 1 and 3 proportional controller derivative controller integral controller both 1 and 3 proportional controller derivative controller ANSWER DOWNLOAD EXAMIANS APP
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