Electrical Machines Rotating part of DC motor is known as Pole. Carbone brush. Starter. Armature. Pole. Carbone brush. Starter. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the speed. Avoid sparking. Limit the current. Limit the flux. Limit the speed. Avoid sparking. Limit the current. Limit the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the statically induced voltage. reactance voltage. dynamically induced voltage. None of these statically induced voltage. reactance voltage. dynamically induced voltage. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 0.1 Ω 100 Ω 50 Ω 10 Ω 0.1 Ω 100 Ω 50 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 250 rpm 2000 rpm 1000 rpm 500 rpm 250 rpm 2000 rpm 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 2 point starter 3 point starter All of these 4 point starter 2 point starter 3 point starter All of these 4 point starter ANSWER DOWNLOAD EXAMIANS APP