Electrical Machines Example of double excited machine is Synchronous motor. Both are correct. None of these DC Shunt Motor Synchronous motor. Both are correct. None of these DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, if P be the number of poles and N be the rpm of the rotor, then frequency of magnetic reversals will be PN/60. PN/3000. PN/2. PN/120. PN/60. PN/3000. PN/2. PN/120. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? none of these. Shunt. Compound (cummolative). Series. none of these. Shunt. Compound (cummolative). Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Closed slot type machines. Semi closed slot type machine. Open slot type machines. Any of the above. Closed slot type machines. Semi closed slot type machine. Open slot type machines. Any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is rectangular flat-topped co- sinusoidal sinusoidal rectangular flat-topped co- sinusoidal sinusoidal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding are used to rectify the flux density waveform at throughout the air gap. interpole region. region under main pole. None of these throughout the air gap. interpole region. region under main pole. None of these ANSWER DOWNLOAD EXAMIANS APP