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 3 and 4 1, 2 and 3 All 1 and 2 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Which of the following is open loop system? Wind screen wiper System for controlling antirocket missiles Aqualing Respiratory system of animal Wind screen wiper System for controlling antirocket missiles Aqualing Respiratory system of animal ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichols chart consists of Constant phase angle loci None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram Constant phase angle loci None of these Constant magnitude loci Magnitude and phase angle loci in log-magnitude versus phase diagram ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Inversely proportional to gain constant Inversely proportional to bandwidth of system Independent of gain constant Directly proportional to gain constant Inversely proportional to gain constant Inversely proportional to bandwidth of system Independent of gain constant Directly proportional to gain constant ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins Either (a) or (b) Phase margin alone Gain margin alone Both phase and gain margins ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A lead compensator Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. Increases the stability margin None of these Speeds up the transient response Increases the stability margin and speeds up the transient-response. ANSWER DOWNLOAD EXAMIANS APP
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