Three Phase Induction Motors A 3 phase induction motor is ________ A variable speed motor Essentially a constant speed motor Very costly Not easily maintainable A variable speed motor Essentially a constant speed motor Very costly Not easily maintainable ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The condition of induction motor at no load resemble those of a transformer whose secondady is _______ Short-circuited Open circuited Supplying a variable resistive load None of the listed here Short-circuited Open circuited Supplying a variable resistive load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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? 1440 rpm 1000 rpm 730 rpm 2880 rpm 1440 rpm 1000 rpm 730 rpm 2880 rpm ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors For higher efficiency of 3-phase induction motor, the slip should be 1 Large As small as possible Very large 1 Large As small as possible Very large 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 Supply voltage Copper losses in motor None of these Supply frequency Supply voltage Copper losses in motor None of these ANSWER DOWNLOAD EXAMIANS APP
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