Control Systems The device necessarily used for automatic temperature control in a furnace is Any of above. Thermostat. Thermocouple. Auto-transformer. Any of above. Thermostat. Thermocouple. Auto-transformer. 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 = cot(Tω1) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ω1 = cot(Tω1) Tω1 = tan(ω1) ω1 = tan(Tω1) Tω1 = cot(ω1) ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 4. 8. 6. 2. 4. 8. 6. 2. ANSWER DOWNLOAD EXAMIANS APP
Control Systems Lead network is used to both A and C. increase bandwidth. improve steady state response. improve transient response. both A and C. increase bandwidth. improve steady state response. improve transient response. ANSWER DOWNLOAD EXAMIANS APP
Control Systems In the integral control of the single area system frequency error is reduced to zero. Then integrator o/p decreases and speed changer position comes down. integrator output and speed changer position attain a constant value. integrator o/p decreases but speed changer position moves up. integrator o/p increases but speed changer position comes down. integrator o/p decreases and speed changer position comes down. integrator output and speed changer position attain a constant value. integrator o/p decreases but speed changer position moves up. integrator o/p increases but speed changer position comes down. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A second order control system has a transfer function 16/(s² + 4s + 16). What is the time for the first overshoot? π/4√3 sec π/√3 sec 2π/√3 sec π/2√3 sec π/4√3 sec π/√3 sec 2π/√3 sec π/2√3 sec ANSWER DOWNLOAD EXAMIANS APP