Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 460 A. 250 A. 570 A. 340 A. 460 A. 250 A. 570 A. 340 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Both wave and lap winding. Wave winding. No wave and lap winding. Lap winding. Both wave and lap winding. Wave winding. No wave and lap winding. Lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant power drive above base speed. constant torque drive above the base speed. constant hp drive below the base speed. constant torque drive below the base speed. constant power drive above base speed. constant torque drive above the base speed. constant hp drive below the base speed. constant torque drive below the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A belt-driven cumulatively-compound dc generator is delivering power to the dc mains. If the Belt snaps then the machine will run as a differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction differentially compounded motor in the same direction differentially compounded motor in the opposite direction cumulative compounded motor in opposite direction cumulative compounded motor in the same direction differentially compounded motor in the same direction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Direct online starting. Stator resistance starting. Auto transformer starting. Rotor resistance starting. Direct online starting. Stator resistance starting. Auto transformer starting. Rotor resistance starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the V curve shown in figure below for a synchronous motor, the parameter of Y and X coordinates are, respectively Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. Power factor and field current. Armature current and torque. Armature current and field current. Torque and field current. ANSWER DOWNLOAD EXAMIANS APP
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