Three Phase Induction Motors Slip of an induction motor is negative when None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction None of these Rotor speed is less than the synchronous speed of the field and are in the same direction Magnetic field and rotor rotate in opposite direction Rotor speed is more than the synchronous speed of the field and are in the same direction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors DOL starting of induction motors is usually restricted to High horsepower motors High speed motors Low horsepower motors Variable speed motors High horsepower motors High speed motors Low horsepower motors Variable speed motors ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The supply frequency Both supply frequency and number of poles The maximum flux/poles The number of its poles The supply frequency Both supply frequency and number of poles The maximum flux/poles The number of its poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If the rotor slots are made deeper, rotor resistance is ______ Increased under running conditions Increased at starting None of the listed here Decreased at starting Increased under running conditions Increased at starting None of the listed here Decreased at starting ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The complete circle diagram of induction motor can be drawn with the help of data found from Blocked rotor test Stator resistance test All of these No-load test Blocked rotor test Stator resistance test All of these No-load test ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor with 1000 r.p.m. speed will have 2 poles 4 poles 6 poles 8 poles 2 poles 4 poles 6 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
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