Electrical Machines In which of the following, voltage regulation may be zero or negative lagging power factor leading power factor All of these unity power factor lagging power factor leading power factor All of these unity power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Magnetic loss Copper loss Eddy current loss Hysteresis loss Magnetic loss Copper loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Motor for constant load torque, what will happen to the armature current if armature resistance increases? Decreases. Increases. None of above. Remain unchanged Decreases. Increases. None of above. Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos (α/2) Cos α sin (α/2) Cos α² Cos (α/2) Cos α sin (α/2) Cos α² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. decreases decreases. increases. remains constant. decreases decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 36° 18° 72° 30° 36° 18° 72° ANSWER DOWNLOAD EXAMIANS APP
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