Electrical Machines In dc machines, the space waveform of the air-gap flux distribution affects both the torque and voltage neither the voltage nor the torque voltage but not the torque torque but not the voltage both the torque and voltage neither the voltage nor the torque voltage but not the torque torque but not the voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Open slot type machines. Semi closed slot type machine. Closed slot type machines. Any of the above. Open slot type machines. Semi closed slot type machine. Closed slot type machines. Any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slight curvature at the lower end of the OCC of a self excited DC generator is due to high speed. high field resistance. magnetic inertia. residual flux. high speed. high field resistance. magnetic inertia. residual flux. 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 5 / 6. 6 / 7. 2 / 3. 4 / 5. 5 / 6. 6 / 7. 2 / 3. 4 / 5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is zero lagging leading unity zero lagging leading unity ANSWER DOWNLOAD EXAMIANS APP
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