Control Systems The open loop transfer function of a unity feedback control system is given by G(s) = k/s(s+1). If gain k is increased to infinity, then damping ratio will tend to become 0.707 infinite unity zero 0.707 infinite unity zero ANSWER DOWNLOAD EXAMIANS APP
Control Systems The device necessarily used for automatic temperature control in a furnace is Thermocouple. Thermostat. Auto-transformer. Any of above. Thermocouple. Thermostat. Auto-transformer. Any of above. 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) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) ω1 = tan(Tω1) Tω1 = cot(ω1) Tω1 = tan(ω1) ω1 = cot(Tω1) 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. +10dB/decade. 0 dB/decade -20dB/decade. -10dB/decade. +10dB/decade. 0 dB/decade -20dB/decade. ANSWER DOWNLOAD EXAMIANS APP
Control Systems What is the order of a closed loop control system for a plant with a transfer function equal to G(s) = k/s²(1+Ts) and with unity feedback 3 2 0 1 3 2 0 1 ANSWER DOWNLOAD EXAMIANS APP
Control Systems If the magnitude of G(jω)H(jω) at phase crossover frequency is 0.5. Find the gain margin of the given system? 4 0.5 1 2 4 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP