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 The maximum torque in an induction motor depends on Frequency Square of supply voltage Rotor inductive reactance All of the listed here Frequency Square of supply voltage Rotor inductive reactance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors Friction and windage loss of a 3 phase induction motor are Maximum at no load Minimum at no load None of the listed here Remains the same at all loads Maximum at no load Minimum at no load None of the listed here Remains the same at all loads ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The reactance of the rotor circuit of a 3-phase induction motor is maximum at No load Starting Half full load Full load No load Starting Half full load Full load ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The shape of the torque/slip curve of induction motor is Rectangular parabola Straight line Parabola Hyperbola Rectangular parabola Straight line Parabola Hyperbola ANSWER DOWNLOAD EXAMIANS APP
Three Phase Induction Motors The speed of a squirrel-cage induction motor can be controlled by all of the following except Changing supply frequency Reducing supply voltage Changing number of poles Changing winding resistance Changing supply frequency Reducing supply voltage Changing number of poles Changing winding resistance ANSWER DOWNLOAD EXAMIANS APP
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