Three Phase Induction Motors The cogging of an induction motor can be avoided by Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots Auto transformer starter Proper ventilation Using DOL starter Having number of rotor slots more or less than the number of stator slots 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
Three Phase Induction Motors An induction motor is Non self starting 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 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Reduced voltage starter can be used with Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor None of these Slip ring motor only but not with squirrel cage induction motor Squirrel cage as well as slip ring induction motor Squirrel cage induction motor only but not with slip ring motor None of these Slip ring motor only but not with squirrel cage induction motor ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The full load slip of a 3-phase induction motor ranges from None of the listed here 2 to 5 % 10 to 20 % 20 to 30 % None of the listed here 2 to 5 % 10 to 20 % 20 to 30 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ High rotor resistance is required during running Less costly motor is not required Speed control is required High starting torque is required High rotor resistance is required during running Less costly motor is not required Speed control is required High starting torque is required ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS