Automatic Control Systems For any transfer function, the constant phase angle loci are A family of straight lines Neither (a) nor (b) A family of circles Either (a) or (b) A family of straight lines Neither (a) nor (b) A family of circles Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A conditionally stable system is stable for the value of gain between two critical values. It is unstable if The gain is decreased below lower critical value None of these The gain is increased beyond upper critical value Both A and B The gain is decreased below lower critical value None of these The gain is increased beyond upper critical value Both A and B ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Nichol’s chart is symmetric about – 180° axis. True False True False ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The relative stability of a system is given by Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) Both phase and gain margins Gain margin alone Phase margin alone Either (a) or (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is 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 Inversely proportional to gain constant ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Magnetic amplifier is used for Power amplification Voltage amplification Frequency amplification Current amplification Power amplification Voltage amplification Frequency amplification Current amplification ANSWER DOWNLOAD EXAMIANS APP