Control Systems The characteristic equation of a control system is given below: The system is unstable stable marginally stable critical stable unstable stable marginally stable critical stable ANSWER DOWNLOAD EXAMIANS APP
Control Systems When writing a transfer function which of the following loops are not valid loops? Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. Self loops at output node. Neither 1 nor 2. Both 1 and 2. Self loops at input node. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The initial slope of Bode plot for a transfer function having no poles at the origin is +10dB/decade. 0 dB/decade -10dB/decade. -20dB/decade. +10dB/decade. 0 dB/decade -10dB/decade. -20dB/decade. ANSWER DOWNLOAD EXAMIANS APP
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 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ω1 = tan(Tω1) ω1 = cot(Tω1) Tω1 = tan(ω1) Tω1 = cot(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems A system has poles at 0.01 Hz, 1 Hz and 80 Hz; zeros at 5 Hz, 100 Hz and 200 Hz. The approximate phase of the system response at 20 Hz is -180° 90° 180° -90° -180° 90° 180° -90° ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead network is used to increase bandwidth. improve steady state response. both A and C. improve transient response. increase bandwidth. improve steady state response. both A and C. improve transient response. ANSWER DOWNLOAD EXAMIANS APP
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