Electrical Machines Voltage regulation can be determined by which of the following? All of these MMf method. Synchronous impedance method. ZPF method. All of these MMf method. Synchronous impedance method. ZPF method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of efficiency. starting torque. speed regulation. running torque. efficiency. starting torque. speed regulation. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 50 Hz. 100 Hz. Zero Hz. 25 Hz. 50 Hz. 100 Hz. Zero Hz. 25 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure capacitive load pure inductive load pure resistive load None of these pure capacitive load pure inductive load pure resistive load None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Avoid sparking. Limit the speed. Limit the current. Limit the flux. Avoid sparking. Limit the speed. Limit the current. Limit the flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon all of above. size of air gap. shape of the pole shoe. clearance between tips of the adjacent pole shoes. all of above. size of air gap. shape of the pole shoe. clearance between tips of the adjacent pole shoes. ANSWER DOWNLOAD EXAMIANS APP