Electrical Machines In salient pole synchronous machine, the reluctance power varies as cos2δ sin2δ cosδ sinδ cos2δ sin2δ cosδ sinδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to variable supply voltage. windage friction. variable load. variable frequency. variable supply voltage. windage friction. variable load. variable frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? flux (φ) armature current (I) speed both A and B flux (φ) armature current (I) speed both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Shunt motor. Differential compound motor. Series motor. Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. Cummulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be pulsed wave. sine wave. square wave. triangular wave. pulsed wave. sine wave. square wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Shunt. Differntical compound. Cummulative compound. Series. Shunt. Differntical compound. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
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