Electrical Machines Select the motor that should not be started on no load? Shunt motor. Compound motor. Series motor. Brushless DC motor. Shunt motor. Compound motor. Series motor. Brushless DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed It will run in same direction. motor will become slow. motor will not run. It will run in opposite direction. It will run in same direction. motor will become slow. motor will not run. It will run in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very low speed. run at very high speed. burn. start haunting. run at very low speed. run at very high speed. burn. start haunting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Pole. Armature. Carbone brush. Starter. Pole. Armature. Carbone brush. Starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be very small, say about 2 or 3 V. 250 V. about 100 V. zero. very small, say about 2 or 3 V. 250 V. about 100 V. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? None of these. DC series motor. DC compound motor. DC shunt motor. None of these. DC series motor. DC compound motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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