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 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 1 and 2 All ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Thermal systems Pneumatic systems Hydraulic systems and thermal systems Thermal, hydraulic and pneumatic systems Thermal systems Pneumatic systems Hydraulic systems and thermal systems Thermal, hydraulic and pneumatic systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems For type 1 system the velocity lag error is Directly proportional to gain constant Independent of gain constant Inversely proportional to gain constant Inversely proportional to bandwidth of system Directly proportional to gain constant Independent of gain constant Inversely proportional to gain constant Inversely proportional to bandwidth of system ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Back emf Motor friction and load Field resistance Armature resistance Back emf Motor friction and load Field resistance Armature resistance ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogy, displacement x is analogous to Voltage Electrostatic energy Magnetic flux linkage Charge Voltage Electrostatic energy Magnetic flux linkage Charge ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems M circles are symmetrical with respect to M = 1 straight line and real axis M = 1 straight line and imaginary axis M = 1 straight line Real and imaginary axis M = 1 straight line and real axis M = 1 straight line and imaginary axis M = 1 straight line Real and imaginary axis ANSWER DOWNLOAD EXAMIANS APP