Electrical Machines In a transformer which of the following losses are zero? Iron loss Rotational loss Copper loss All of these Iron loss Rotational loss Copper loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic field neutral pole. Magnetic neutral pole. Magnetic field neutral plane. Magnetic neutral plane. Magnetic field neutral pole. Magnetic neutral pole. Magnetic field neutral plane. Magnetic neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V, dc shunt motor draws 15 A while supplying the rated load at a speed of 80 rad/s. The armature resistance is 0.5 W and the field winding resistance is 80 W. The net voltage across the armature resistance at the time of plugging will be 240 V 6 V 474 V 234 V 240 V 6 V 474 V 234 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has low ratings only? Capacitor run Capacitor start Shaded pole Resistance split phase Capacitor run Capacitor start Shaded pole Resistance split phase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 2 / 3. 5 / 6. 4 / 5. 6 / 7. 2 / 3. 5 / 6. 4 / 5. 6 / 7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to with stand Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. All of these Bending moment due to weight of the armature. Twisting stains due to transmission of torque. Any unbalanced magnetic pull on the armature core. All of these Bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
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