Three Phase Induction Motors The crawling in an induction motor is caused by High loads Improper design of machine Harmonics developed in the rotor Low voltage supply High loads Improper design of machine Harmonics developed in the rotor Low voltage supply ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High starting torque is required Less costly motor is not required Speed control is required High rotor resistance is required during running High starting torque is required Less costly motor is not required Speed control is required High rotor resistance is required during running ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The maximum torque of a 3-phase induction motor under running conditions is inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance None of the listed here Inveresly proportional to supply voltage inversely proportional to rotor reactance at standstill Directly proportional to rotor resistance None of the listed here Inveresly proportional to supply voltage ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A four speed squirrel cage induction motor uses______ stator windings. Three Two Four One Three Two Four One ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles 8 poles 4 poles 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 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 k2/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
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