Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: Zero Hz. 50 Hz. 25 Hz. 100 Hz. Zero Hz. 50 Hz. 25 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? All of these 3 point starter 2 point starter 4 point starter All of these 3 point starter 2 point starter 4 point starter ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply frequency None of these rotor resistance supply voltage supply frequency None of these rotor resistance supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Low. Infinitely large. 1000 ohms. around 500 ohms. Low. Infinitely large. 1000 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at light loads only low at rated load only both A and B low at heavy loads only low at light loads only low at rated load only both A and B low at heavy loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected in parallel through inductive coupling either of these depending on the design of the motor in series in parallel through inductive coupling either of these depending on the design of the motor in series ANSWER DOWNLOAD EXAMIANS APP
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