Electrical Machines Which of the following voltage regulation method is accurate ? ZPF method American standard association method Synchronous impedance method MMf method ZPF method American standard association method Synchronous impedance method MMf method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 10 ohm 0.2 ohm 2 ohm. 100 ohm 10 ohm 0.2 ohm 2 ohm. 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor the speed can be increased by Increasing the armature current. Increasing the field current. Decreasing the field current. Increasing the field current. Increasing the armature current. Increasing the field current. Decreasing the field current. Increasing the field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for reduce eddy current loss convert ac armature current in to dc collecting of voltage collecting of current without any sparkings reduce eddy current loss convert ac armature current in to dc collecting of voltage collecting of current without any sparkings ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to None of above. The speed of motor. The voltage across the terminals. The torque required. None of above. The speed of motor. The voltage across the terminals. The torque required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Adding resistance to field circuit. Interchanging armature and field connection. Reversing armature connection or field connection. Reversing supply connection. Adding resistance to field circuit. Interchanging armature and field connection. Reversing armature connection or field connection. Reversing supply connection. ANSWER DOWNLOAD EXAMIANS APP
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