Automatic Control Systems Nyquist stability criterion uses open loop frequency response characteristics. False True False True ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Directly proportional to gain constant Inversely proportional to bandwidth of system Independent of gain constant Inversely proportional to gain constant Directly proportional to gain constant Inversely proportional to bandwidth of system Independent of gain constant Inversely proportional to gain constant ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If any term in the first column of a Routh array becomes zero, then Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small negative number for zero and complet-ing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion can be used by substituting a big positive number for zero and completing the array 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 1, 2 and 3 3 and 4 All 1 and 2 1, 2 and 3 3 and 4 All 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a simple on-off controller with differential gap, the magnitude of differential gap determines Neither (a) nor (b) The life of controller The level of accuracy Both (a) and (b) Neither (a) nor (b) The life of controller The level of accuracy Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems A system is highly oscillatory if Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° Gain margin is close to 1 or phase margin is zero Gain margin is high Gain margin is close to 1 Gain margin is high and phase margin is 180° ANSWER DOWNLOAD EXAMIANS APP
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