Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called skewing. cogging. crawling. slip. skewing. cogging. crawling. slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for series motors. shunt motors. All of these compound motors. series motors. shunt motors. All of these compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Over-loading for long period. Small and constant load. Periodic variation of load. Over-excitation. Over-loading for long period. Small and constant load. Periodic variation of load. Over-excitation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? All of these Stator copper loss Stator core loss Rotational loss All of these Stator copper loss Stator core loss Rotational loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are 1/3, 1/√3 1/3, 1/3 1/√3, 1/√3 1/√3, 1/3 1/3, 1/√3 1/3, 1/3 1/√3, 1/√3 1/√3, 1/3 ANSWER DOWNLOAD EXAMIANS APP
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