Three Phase Induction Motors As load on an induction motor goes on increasing Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on decreasing Its power factor goes on increasing even after full load Its power factor goes on increasing up to full load and then it falls again Its power factor remains constant Its power factor goes on decreasing ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors When a 3-phase induction motor is at no load, the slip is ______ 0.2 Practically zero 1 0.5 0.2 Practically zero 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is K2 × torque with direct switching k2/torque with direct switching K × torque with direct switching k/torque with direct switching K2 × torque with direct switching k2/torque with direct switching K × torque with direct switching k/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The cogging of an induction motor can be avoided by Having number of rotor slots more or less than the number of stator slots Auto transformer starter Using DOL starter Proper ventilation Having number of rotor slots more or less than the number of stator slots Auto transformer starter Using DOL starter Proper ventilation ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The power factor of an induction motor under no load conditions will be closer to 0.2 leading 0.2 lagging Unity 0.5 leading 0.2 leading 0.2 lagging Unity 0.5 leading ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at No load Starting Full load Half full load No load Starting Full load Half full load ANSWER DOWNLOAD EXAMIANS APP
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