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