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 The number of slip rings on a squirrel cage induction motor is usually Three One None Two Three One None Two ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____ 1000 rpm 300 rpm 1200 rpm 600 rpm 1000 rpm 300 rpm 1200 rpm 600 rpm 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 ______ Uniform torque Less rotor losses None of the listed here Greater mechanical strength Uniform torque Less rotor losses None of the listed here Greater mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The efficiency of an induction motor can be expected to be nearly 60 to 90% 80 to 90% 99% 95 to 98 % 60 to 90% 80 to 90% 99% 95 to 98 % ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Slip rings are usually made of Carbon Aluminium Phospor bronze Copper Carbon Aluminium Phospor bronze Copper ANSWER DOWNLOAD EXAMIANS APP