Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 60° 30° 45° 10° 60° 30° 45° 10° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed by a synchronous motor depends on supply voltage and load angle supply voltage and excitation excitation and load angle supply voltage, load angle and excitation supply voltage and load angle supply voltage and excitation excitation and load angle supply voltage, load angle and excitation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 50 Hz. 25 Hz. 100 Hz. Zero Hz. 50 Hz. 25 Hz. 100 Hz. Zero Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing any one or more of the above methods. compensating winding. inter poles. high resistance carbon brushes. any one or more of the above methods. compensating winding. inter poles. high resistance carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When an electric train is moving down a hill, the DC motor will operate as DC series motor. DC shunt generator. DC series generator. DC shunt motor. DC series motor. DC shunt generator. DC series generator. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The short circuit test on a transformer is conducted to obtain eddy current loss. core loses only. hysteresis loss. copper losses. eddy current loss. core loses only. hysteresis loss. copper losses. ANSWER DOWNLOAD EXAMIANS APP