Electrical Machines In an auto-transformer, power is transferred through induction process only. conduction process only. None of these both A and B. induction process only. conduction process only. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of brass hard-drawn copper copper alloy copper brass hard-drawn copper copper alloy copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies inversely as applied voltage None of these directly as square of applied voltage directly as applied voltage inversely as applied voltage None of these directly as square of applied voltage directly as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Reversing supply connection. Reversing armature connection or field connection. Adding resistance to field circuit. Interchanging armature and field connection. Reversing supply connection. Reversing armature connection or field connection. Adding resistance to field circuit. Interchanging armature and field connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The functions of inter poles are reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. reduce cross magnetization effect and improve commutation both 1 and 2 None of these nullify reactance voltage and improve the commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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