Automatic Control Systems For a stable system having two or more gain crossover frequencies the phase margin is measured at the highest crossover frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Integral control action Neither (a) nor (b) Removes offset May lead to oscillatory response Both (a) and (b) Neither (a) nor (b) Removes offset May lead to oscillatory response Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following can be used as a rotating amplifier in a control system? 1. Amplidyne 2. Separately excited dc generator 3. Synchro 4. Self excited dc generator All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Thermal, hydraulic and pneumatic systems Thermal systems Pneumatic systems Hydraulic systems and thermal systems Thermal, hydraulic and pneumatic systems Thermal systems Pneumatic systems Hydraulic systems and thermal systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Integral Derivative Proportional Both (b) and (c) Integral Derivative Proportional Both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The poles with greater displacement from the real axis correspond to Lower frequencies of oscillations Stable response Unbounded output Higher frequencies of oscillations Lower frequencies of oscillations Stable response Unbounded output Higher frequencies of oscillations ANSWER DOWNLOAD EXAMIANS APP