Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 90o. less than 90o. 0o. Greater than 90o. 90o. less than 90o. 0o. Greater than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce hysteresis loss. friction and windage loss. eddy current loss. copper loss. hysteresis loss. friction and windage loss. eddy current loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting negative sequence currents are generated. the damper bars develop induction generator torque. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop synchronous motor torque. induction generator torque. induction motor torque. DC motor torque. synchronous motor torque. induction generator torque. induction motor torque. DC motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will happen if the the supply terminals are reversed in case of a DC shunt motor? The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will stop. The motor will run much faster in the same direction. The motor will run at its normal speed in the same direction as before. The motor will run in reverse direction. The motor will stop. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an ideal DC generator the regulation is low. zero. high. positive. low. zero. high. positive. ANSWER DOWNLOAD EXAMIANS APP
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