Electrical Machines What is the phase difference between two windings of A.C servomotor ? 60°. 90°. 30°. 120°. 60°. 90°. 30°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of carbon. silicon steel. stainless steel. cast iron. carbon. silicon steel. stainless steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to equalizing coils. 3 - Φ AC supply. external star-connected resistors. DC supply. equalizing coils. 3 - Φ AC supply. external star-connected resistors. DC supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 75 W 50 W 168.75 W 112.5 W 75 W 50 W 168.75 W 112.5 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to Ia Ia2 1/Ia I/Ia2 Ia Ia2 1/Ia I/Ia2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for All of these compound motors. series motors. shunt motors. All of these compound motors. series motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
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