Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 2.5Hz 1 Hz 2HZ 50Hz 2.5Hz 1 Hz 2HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by 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. providing damper winding in its rotor circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor used in Lathe machine? None of these D.C. shunt motor. D.C. cumulative compound motor. D.C . series motor. None of these D.C. shunt motor. D.C. cumulative compound motor. D.C . series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire as it carries large load current. in order to reduce eddy current to provide large flux. to provide large flux. to reduce the insulation of materials. as it carries large load current. in order to reduce eddy current to provide large flux. to provide large flux. to reduce the insulation of materials. ANSWER DOWNLOAD EXAMIANS APP
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