Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ None of the listed here Less rotor losses Greater mechanical strength Uniform torque None of the listed here Less rotor losses Greater mechanical strength Uniform torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In an induction motor, no load the slip is generally Less than 1% 4% 2% 1.5 % Less than 1% 4% 2% 1.5 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Slightly more than full load torque Negligible Low Same as full load torque Slightly more than full load torque Negligible Low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The good power factor of an induction motor can be achieved if the average flux density in the air gap is Large Small Infinity Absent Large Small Infinity Absent ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque Provides fine speed control None of the listed here Has simple and rugged construction Provides high starting torque Provides fine speed control None of the listed here Has simple and rugged construction ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ 1+S S-1 1-S None of the listed here 1+S S-1 1-S None of the listed here ANSWER DOWNLOAD EXAMIANS APP