Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Zero Ns Nr S.Ns Zero Ns Nr S.Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in demagnetization of leading & magnetization of trailing pole tip. magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. demagnetization of centers of poles. demagnetization of leading & magnetization of trailing pole tip. magnetization of inter poles. magnetization of leading and demagnetization of trailing pole tip. demagnetization of centers of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low viscosity. low BDV. low resistivity. high viscosity. low viscosity. low BDV. low resistivity. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines There are two 2-pole DC machines. Main field axis of machine A is horizontal and that of B is vertical. It is preferable to purchase none of these machine A any of the two machines machine B none of these machine A any of the two machines machine B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of the current in the compensating winding is________ to the direction of current in the armature conductors? None of these exactly opposite either of these same None of these exactly opposite either of these same ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure resistive load None of these pure capacitive load pure inductive load pure resistive load None of these pure capacitive load pure inductive load ANSWER DOWNLOAD EXAMIANS APP
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