Electrical Machines In which of the following, voltage regulation may be zero or negative unity power factor lagging power factor All of these leading power factor unity power factor lagging power factor All of these leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load None of these pure capacitive load pure resistive load pure inductive load None of these pure capacitive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Cross magnetization Magnetization None of these Demagnetization Cross magnetization Magnetization None of these Demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? cross magnetization magnetization All of these demagnetization cross magnetization magnetization All of these demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 72° 36° 30° 18° 72° 36° 30° 18° ANSWER DOWNLOAD EXAMIANS APP