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? Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems Type and order of transfer function G (s) = K / {s(s + 2)} 2, 1. 0, 2. 1, 1. 1, 2. 2, 1. 0, 2. 1, 1. 1, 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 60° 30° 45° 80° 60° 30° 45° 80° ANSWER DOWNLOAD EXAMIANS APP
Control Systems If a body has identical properties all over, it is known as none of them. homogeneous. elastic. isotropic. none of them. homogeneous. elastic. isotropic. ANSWER DOWNLOAD EXAMIANS APP
Control Systems When the system gain is doubled the gain margin becomes? None of these 2 times 1/2 times Remains unaffected None of these 2 times 1/2 times Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Control Systems Time response for a second order control system depends on value of ξ. If ξ>1 then the system is called as undamped system . critically damped system. under damped system. over damped system. undamped system . critically damped system. under damped system. over damped system. ANSWER DOWNLOAD EXAMIANS APP
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