Electrical Machines Which of the following pairs is/are correct? All of these semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high open slot----- leakage flux is less All of these semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high open slot----- leakage flux is less ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the rotating losses of machine? All of the them Eddy current losses Friction and windage losses Hysteresis losses All of the them Eddy current losses Friction and windage losses Hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 399 V. 230.2 V. 100 V. 50 V. 399 V. 230.2 V. 100 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Both A and C. DC motor. Synchronous motor. Induction motor. Both A and C. DC motor. Synchronous motor. Induction motor. 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. 200Hz. 150Hz. 100Hz. 50Hz. 200Hz. 150Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will aprroach infinity. remain unchanged. between zero and infinity. approach zero. aprroach infinity. remain unchanged. between zero and infinity. approach zero. ANSWER DOWNLOAD EXAMIANS APP