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 s/(s+1) 1/s(s+1)2 (s+1)2/s s/(s+1)2 s/(s+1) 1/s(s+1)2 (s+1)2/s ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation of a dash-pot element is (where, x = displacement) B dx/dt B d2x/dt2 B *x None of these B dx/dt B d2x/dt2 B *x None of these ANSWER DOWNLOAD EXAMIANS APP
Control Systems Consider a network function H(s) = 2(s+3)/{(s+2)(s+4)}. What is the steady state response due to step input? 1/2 4/3 3/4 1 1/2 4/3 3/4 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems The DC gain of a system represented by the transfer function 12 / {( s + 2 )( s + 3 )} is 1. 10. 5. 2. 1. 10. 5. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The phase margin of a system having the loop transfer function G(s)H(s) = 2√3/s(s+1) is 45° 80° 30° 60° 45° 80° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Control Systems The error of a system to a ramp input is 1/5, if the type of the system is decreased by one, then the error of unit step input is 0.167 5 6/5 0.2 0.167 5 6/5 0.2 ANSWER DOWNLOAD EXAMIANS APP