Electrical Machines Lap winding is prefered for which type of machines? high current and low voltage low current and low voltage low current and high voltage high current and high voltage high current and low voltage low current and low voltage low current and high voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum possible speed at which an alternator can be driven to generate 50 Hz and 4000 V is 4000 rpm. 3000 rpm. 3600 rpm. 1500 rpm. 4000 rpm. 3000 rpm. 3600 rpm. 1500 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Any of above. Armature resistance control. Armature voltage control. Shunt field resistance control. Any of above. Armature resistance control. Armature voltage control. Shunt field resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 45° 60° 10° 30° 45° 60° 10° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase slip-ring induction motor, brushes are connected to external star-connected resistors. DC supply. 3 - Φ AC supply. equalizing coils. external star-connected resistors. DC supply. 3 - Φ AC supply. equalizing coils. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce eddy current loss. both eddy current and hysteresis loss. hysteresis loss. ohmic loss. eddy current loss. both eddy current and hysteresis loss. hysteresis loss. ohmic loss. ANSWER DOWNLOAD EXAMIANS APP
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