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 1, 2 and 3 All 3 and 4 1 and 2 1, 2 and 3 All 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which control action can never be used alone? Integral Both (b) and (c) Proportional Derivative Integral Both (b) and (c) Proportional Derivative ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Stator Partly on stator and partly on rotor Rotor Either (a) or (b) Stator Partly on stator and partly on rotor Rotor Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lag compensator Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system Improves steady state behavior and speeds up the transient response of the system Improves steady state behavior of the system Improves steady state behavior and preserves the transient response of the system Speeds up the transient response of the system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is open loop system? System for controlling antirocket missiles Aqualing Wind screen wiper Respiratory system of animal System for controlling antirocket missiles Aqualing Wind screen wiper Respiratory system of animal ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. True False True False ANSWER DOWNLOAD EXAMIANS APP