Electrical Machines In dc motors, under leading pole tips flux density will--------? either increase or decrease decrease None of these increase either increase or decrease decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. any of these. vibrations. over excitation. heating. any of these. vibrations. over excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? All of these Stator copper loss Stator core loss Rotational loss All of these Stator copper loss Stator core loss Rotational loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected in parallel either of these depending on the design of the motor through inductive coupling in series in parallel either of these depending on the design of the motor through inductive coupling in series ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? speed flux (φ) both A and B armature current (I) speed flux (φ) both A and B armature current (I) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is magnetic field poles. armature. none of these. core. magnetic field poles. armature. none of these. core. ANSWER DOWNLOAD EXAMIANS APP