Electrical Machines Armature reaction effect is more in which of the following methods? None of these field weakening method same in both methods armature resistance control None of these field weakening method same in both methods armature resistance control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A simple method of increasing the voltage of a DC generator is to increase the number of turns in field coil. increase the number of turns in armature coil. increase the speed of shaft rotation. increase the source frequency. increase the number of turns in field coil. increase the number of turns in armature coil. increase the speed of shaft rotation. increase the source frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. All of these. Auto transformer starter. Star-delta starter. DOL starter. All of these. Auto transformer starter. Star-delta starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on stator frame. None of these pole faces. rotor shaft. stator frame. None of these pole faces. rotor shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 2 1 0 3 or 4 2 1 0 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss Stator core loss All of these Rotational loss Stator copper loss Stator core loss All of these Rotational loss ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS