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/(s+1) (s+1)2/s s/(s+1)2 1/s(s+1)2 s/(s+1) (s+1)2/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems The optimum values of damping ratio is -------------- 0.3 to 0.7 0 to 2 0.3 to 5 0.9 to 1.1 0.3 to 0.7 0 to 2 0.3 to 5 0.9 to 1.1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The output of the system has an effect upon the input quantity, then the system is a None of these closed loop control system. open loop control system. either 1 or 2. None of these closed loop control system. open loop control system. either 1 or 2. 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 infinite zero unity 0.707 infinite zero unity 0.707 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Adding a pole to a system transfer function in terms of compensator represents a --------------- compensator ? lag-lead lag lead-lag lead lag-lead lag lead-lag lead 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. open loop zeroes in RHP. open loop poles in RHP. roots of characteristic polynomial in RHP. zeroes of system in RHP. open loop zeroes in RHP. open loop poles in RHP. roots of characteristic polynomial in RHP. ANSWER DOWNLOAD EXAMIANS APP
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