Electrical Machines Which of the following alternators contain large number of poles? Turbo alternators. Hydro alternators. Aame in both alternators. None of these Turbo alternators. Hydro alternators. Aame in both alternators. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Copper loss. Eddy current loss. Hysteresis loss. Stray loss. Copper loss. Eddy current loss. Hysteresis loss. Stray loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 2.2 ohms. 1.9 ohms. 6 ohms. 5.7 ohms. 2.2 ohms. 1.9 ohms. 6 ohms. 5.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by field winding starters commutator armature winding field winding starters commutator armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. armature circuit both A and B none of above shunt field armature circuit both A and B none of above shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Carbone brush. Armature. Starter. Pole. Carbone brush. Armature. Starter. Pole. ANSWER DOWNLOAD EXAMIANS APP
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