Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. 1 - s. s. 2 - s. 2 + s. 1 - s. s. 2 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the mechanical power developed by a DC series motor is maximum? Back emf is equal to half the applied voltage. Back emf is equal to zero. None of above. Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. Back emf is equal to zero. None of above. Back emf is equal to applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. mica. copper. carbon. cast iron. mica. copper. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmin to Imin. Vmax to Imax. Vmax to Imin. Vmin to Imax. Vmin to Imin. Vmax to Imax. Vmax to Imin. Vmin to Imax. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Use of fractional pitch winding make it stiffer. All of these results in reduced axial length of the machine. results in reduced leakage reactance. make it stiffer. All of these results in reduced axial length of the machine. results in reduced leakage reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - star Delta - delta Star - star Star - delta Delta - star Delta - delta Star - star Star - delta ANSWER DOWNLOAD EXAMIANS APP
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