Three Phase Induction Motors When the rotor of a 3-phase induction motor is blocked, the slip is _____ 0.1 0.5 0 1 0.1 0.5 0 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The frequency of rotor current in a 6-pole , 50 Hz, 3-phase induction motor running at 950 rpm is 5 Hz 0.05 Hz 1.5 Hz 2.5 Hz 5 Hz 0.05 Hz 1.5 Hz 2.5 Hz 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 An induction motor is Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting Self starting with zero torque Self starting with high torque Self starting with low torque Non self starting 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 ______ Greater mechanical strength Uniform torque None of the listed here Less rotor losses Greater mechanical strength Uniform torque None of the listed here Less rotor losses ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor Slip ring motor only but not with squirrel cage induction motor None of these Squirrel cage induction motor only but not with slip ring motor Squirrel cage as well as slip ring induction motor ANSWER DOWNLOAD EXAMIANS APP
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