Electrical Machines Which of the following motors has low ratings only? Shaded pole Capacitor start Resistance split phase Capacitor run Shaded pole Capacitor start Resistance split phase Capacitor run ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are 1/√3, 1/3 1/3, 1/√3 1/3, 1/3 1/√3, 1/√3 1/√3, 1/3 1/3, 1/√3 1/3, 1/3 1/√3, 1/√3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Normal. Very high. Zero. Very low. Normal. Very high. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dummy coils are used for reducing armature reaction. All of these increasing efficiency. mechanical balancing. reducing armature reaction. All of these increasing efficiency. mechanical balancing. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become 4 times. one fourth. half. double. 4 times. one fourth. half. double. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by providing damper winding in its rotor circuit. coupling it with a small AC induction motor called the pony motor. coupling it with a DC compound motor. any of the above methods. providing damper winding in its rotor circuit. coupling it with a small AC induction motor called the pony motor. coupling it with a DC compound motor. any of the above methods. ANSWER DOWNLOAD EXAMIANS APP
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