Control Systems A unity feedback control system has forward loop transfer function as e-Ts/s(s+1). Its phase value will be zero at frequency ω1. Which of the following equations should be satisfied by ω1? ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) 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 0.2 0.167 6/5 5 0.2 0.167 6/5 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead compensator is used to improve ------------------ Both 1 and 2 Steady state response None of these Transient response Both 1 and 2 Steady state response None of these Transient response ANSWER DOWNLOAD EXAMIANS APP
Control Systems Force balancing equation for elastic element (K) is (where, x = displacement) None of these K *x K dx/dt K d2x/dt2 None of these K *x K dx/dt K d2x/dt2 ANSWER DOWNLOAD EXAMIANS APP
Control Systems A function of one or more variables which conveys information about the nature of physical phenomenon is called interference. signal. system. noise. interference. signal. system. noise. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A proportional plus integral controller increases the stability of the system it increases rise time both 2 and 3 has high sensitivity increases the stability of the system it increases rise time both 2 and 3 has high sensitivity ANSWER DOWNLOAD EXAMIANS APP
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