Electrical Machines In DC generator, brushes are always placed along geometrical neutral axis. load axis. armature axis. magnetic neutral axis. geometrical neutral axis. load axis. armature axis. magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A part an alternator winding consist of eight coils in series, each having an emf of 20 V rms induced in it. Coils are placed in successive slots and between each slot and the next, there is an electrical phase displacement of 30°. Find the emf of eight coils in series 66.91 V. 76.91 V. 56.91 V. 86.91 V. 66.91 V. 76.91 V. 56.91 V. 86.91 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance for simple wave-winding ? PZL/ 4Sa PZL/4S PZL/4Sp² PZL/4Sa² PZL/ 4Sa PZL/4S PZL/4Sp² PZL/4Sa² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a variable reluctance motor. DC motor. induction motor. switched reluctance motor. variable reluctance motor. DC motor. induction motor. switched reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be either (B) or (C). unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. equal to number of rotor slots. either (B) or (C). unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. equal to number of rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor used for shears and punches is Differential compound motor. Series motor. Cummulative compound motor. Shunt motor. Differential compound motor. Series motor. Cummulative compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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