Electrical Machines Ward Leonard control is provides speed control Above rated speed. In both direction. Below rated speed. In one direction only. Above rated speed. In both direction. Below rated speed. In one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is None of these leading power factor. unity power factor. lagging power factor. None of these leading power factor. unity power factor. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is zero. normal speed. less than normal speed. more than normal speed. zero. normal speed. less than normal speed. more than normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors either of these None of these shunt motors series motors either of these None of these shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Series motor Shunt motor Cumulative compound motors Differential compound motor Series motor Shunt motor Cumulative compound motors Differential compound motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called harmonics. cogging. crawling. resonance. harmonics. cogging. crawling. resonance. ANSWER DOWNLOAD EXAMIANS APP
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