Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 220.4 volt. None of these. 218.5 volt. 120 volt. 220.4 volt. None of these. 218.5 volt. 120 volt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of low horse power motor. high speed motor. single phase induction motor. high torque motor. low horse power motor. high speed motor. single phase induction motor. high torque motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of main winding. reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motor have which of the following application? Food mixer. Lift. Traction. Domestic pump. Food mixer. Lift. Traction. Domestic pump. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power flow of a dc motor, with respect to a DC generator is increased. reversed. modified. none of these. increased. reversed. modified. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed regulation of a DC motor is given as (NfL − NnL)/NnL. NnL/NfL. (NnL − NfL)/NfL. NnL − NfL. (NfL − NnL)/NnL. NnL/NfL. (NnL − NfL)/NfL. NnL − NfL. ANSWER DOWNLOAD EXAMIANS APP