Three Phase Induction Motors If a 3 phase induction motor is running at a slip S, then approximate efficiency of the motor is ______ None of the listed here 1-S 1+S S-1 None of the listed here 1-S 1+S S-1 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 Greater mechanical strength None of the listed here Uniform torque Less rotor losses Greater mechanical strength None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel cage induction motor is changed by Pole changing None of the listed here Rheostatic control Cascade control Pole changing None of the listed here Rheostatic control Cascade control ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are None of the listed here Minimum at no load Maximum at no load Remains the same at all loads None of the listed here Minimum at no load Maximum at no load Remains the same at all loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors A wound rotor motor is mainly used in applications where ______ Speed control is required Less costly motor is not required High rotor resistance is required during running High starting torque is required Speed control is required Less costly motor is not required High rotor resistance is required during running High starting torque is required ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors 3-phase wound rotor morors are also called _____ motors. Slip ring Commutator Series Synchronous Slip ring Commutator Series Synchronous ANSWER DOWNLOAD EXAMIANS APP
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