Automatic Control Systems The permanent magnet field system of brushless dc servo- motor is generally on Either (a) or (b) Stator Partly on stator and partly on rotor Rotor Either (a) or (b) Stator Partly on stator and partly on rotor Rotor 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 and 2 All 3 and 4 1, 2 and 3 1 and 2 All 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems Transport lag usually exists in Hydraulic systems and thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Thermal systems Hydraulic systems and thermal systems Pneumatic systems Thermal, hydraulic and pneumatic systems Thermal systems ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In force current analogy, displacement x is analogous to Electrostatic energy Charge Voltage Magnetic flux linkage Electrostatic energy Charge Voltage Magnetic flux linkage ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems In the field controlled motor the entire damping comes from Motor friction and load Armature resistance Field resistance Back emf Motor friction and load Armature resistance Field resistance Back emf ANSWER DOWNLOAD EXAMIANS APP
Automatic Control Systems The addition of a pole to the open loop transfer function pulls the root locus Towards right or left depending on the position of new pole None of these To the left and making the system more stable To the right Towards right or left depending on the position of new pole None of these To the left and making the system more stable To the right ANSWER DOWNLOAD EXAMIANS APP