Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 lap winding wave winding None of these both 1 and 2 lap winding wave winding None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as 1 at 90°C. 0.5 at 90°C. 2 at 90°C. 3 at 90°C. 1 at 90°C. 0.5 at 90°C. 2 at 90°C. 3 at 90°C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is zero maximum any of the above infinite value zero maximum any of the above infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use DC shunt motor. Universal motor. Slip induction motor. Partial motor. DC shunt motor. Universal motor. Slip induction motor. Partial motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at the speed of rotor in the air gap. rotates at synchronous speed with respect to rotor. ANSWER DOWNLOAD EXAMIANS APP