Three Phase Induction Motors 5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest? 730 rpm 1440 rpm 2880 rpm 1000 rpm 730 rpm 1440 rpm 2880 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Copper Phospor bronze Aluminium Carbon Copper Phospor bronze Aluminium Carbon ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors An induction motor is so called because its operation depends on Mutual induction Hysteresis Self induction Eddy currents Mutual induction Hysteresis Self induction Eddy currents ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Copper losses in motor Supply voltage Supply frequency None of these Copper losses in motor Supply voltage Supply frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In a squirrel cage induction motor, the number of stator slots is _______ rotor slots. Always eqaul to the number of Either more or less than the number of Always less than the number of Always greater than the number of Always eqaul to the number of Either more or less than the number of Always less than the number of Always greater than the number of ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The no load speed of an induction motor depends on The supply frequency The number of its poles Both supply frequency and number of poles The maximum flux/poles The supply frequency The number of its poles Both supply frequency and number of poles The maximum flux/poles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS