Three Phase Induction Motors Which of the following component is usually fabricated out of silicon steel? Bearings Shaft Stator core None of these Bearings Shaft Stator core None of these ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The approximate efficiency of a 3-phase , 50 Hz, 4 pole induction motor running at 1350 rpm is ______ None of the listed here 65% 90% 40% None of the listed here 65% 90% 40% ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be As small as possible Very large Large 1 As small as possible Very large Large 1 ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The starting torque of a squirrel cage induction motor is Same as full load torque Slightly more than full load torque Negligible Low Same as full load torque Slightly more than full load torque Negligible Low ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The torque developed in the cage induction motor with auto-starter is k/torque with direct switching K2 × torque with direct switching K × torque with direct switching k2/torque with direct switching k/torque with direct switching K2 × torque with direct switching K × torque with direct switching k2/torque with direct switching ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors In induction motor, percentage slip depends on Supply frequency None of these Supply voltage Copper losses in motor Supply frequency None of these Supply voltage Copper losses in motor ANSWER DOWNLOAD EXAMIANS APP