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 can be used by substituting a big positive number for zero and completing the array Routh criterion can be used by substituting a small positive number for zero and completing the array Routh criterion cannot be used to determine stability Routh criterion can be used by substituting a small negative number for zero and complet-ing 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 positive number for zero and completing the array Routh criterion cannot be used to determine stability ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In a two phasor servomotor, the direction of rotation of the rotating field depends on Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these Magnitudes of voltages applied to the two stator windings Phase relation of voltages applied to the two stator windings Both magnitude and phase relationship of voltages applied to the two stator windings None of these ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems If poles lie in first quadrant, damping ratio is less than 1 More than 1 1 Zero less than 1 More than 1 1 Zero ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Thermal, hydraulic and pneumatic systems Pneumatic systems Hydraulic systems and thermal systems Thermal systems Thermal, hydraulic and pneumatic systems Pneumatic systems Hydraulic systems and thermal systems Thermal systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is 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 Inversely proportional to bandwidth of system 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 3 and 4 1, 2 and 3 All 1 and 2 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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