Three Phase Induction Motors An induction motor is preferred to a dc motor because it _______ Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here Provides high starting torque Has simple and rugged construction Provides fine speed control None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The number of slip rings on a squirrel cage induction motor is usually None Three One Two None Three One Two ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing supply frequency Reducing supply voltage Changing winding resistance Changing number of poles Changing supply frequency Reducing supply voltage Changing winding resistance Changing number of poles ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from 10 to 20 % 20 to 30 % 2 to 5 % None of the listed here 10 to 20 % 20 to 30 % 2 to 5 % None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Negligible Low Slightly more than full load torque Same as full load torque Negligible Low Slightly more than full load torque Same as full load torque ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage rotor, the bars are not placed parallel to the shaft but are skewed to have ______ Less rotor losses None of the listed here Greater mechanical strength Uniform torque Less rotor losses None of the listed here Greater mechanical strength Uniform torque ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS