Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 10° 30° 60° 45° 10° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 720 rpm, the supply frequency is 25 Hz 50 Hz 60 Hz 40 HZ 25 Hz 50 Hz 60 Hz 40 HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 10 ohm 100 ohm 0.2 ohm 2 ohm. 10 ohm 100 ohm 0.2 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is any of the above. equal to primary. greater than the primary. less than primary. any of the above. equal to primary. greater than the primary. less than primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc generator is running at 1500 rpm the frequency of current in the armature winding is 100Hz. 50Hz. 150Hz. 200Hz. 100Hz. 50Hz. 150Hz. 200Hz. ANSWER DOWNLOAD EXAMIANS APP