Control Systems When the input to a system was with drawn at t = 0, its output was found to decrease exponentially from 1000 units to 500 units in 1.386 sec. The time constant of the system is 0.693. 2.000. 0.500. 1.386. 0.693. 2.000. 0.500. 1.386. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is 10. 2. 5. 1. 10. 2. 5. 1. ANSWER DOWNLOAD EXAMIANS APP
Control Systems None of the poles of a linear control system lie in the right half of s plane. For a bounded input, the output of this system could be unbounded. tends to zero. always bounded. none of these. could be unbounded. tends to zero. always bounded. none of these. 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 the 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 When compared to a 1st order LPF, a 2nd order LPF has faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. faster drop in filter response. lower voltage gain. higher voltage gain. higher cut off frequency. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The transfer function of a plant is T(s) = 5/(s+5)(s² + 5 + 1). The second order approximation of T(s) using dominant pole concept is 5/(s² + 5 + 1) 1/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) 5/(s² + 5 + 1) 1/(s² + 5 + 1) 5/(s+1)(s+5) 1/(s+1)(s+5) ANSWER DOWNLOAD EXAMIANS APP
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