Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 -1.92 1.92 0.08 -0.08 -1.92 1.92 0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? All of these Copper loss Rotational loss Iron loss All of these Copper loss Rotational loss Iron loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imax Vmin to Imin Vmax to Imax Vmax to Imin Vmin to Imax Vmin to Imin Vmax to Imax Vmax to Imin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of armature reaction. permanent magnets. None of these residual magnetism. armature reaction. permanent magnets. None of these residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The type of DC motor generally used for shears and punches is Cummulative compound motor. Differential compound motor. Shunt motor. Series motor. Cummulative compound motor. Differential compound motor. Shunt motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with three phase winding. heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. single phase winding. three phase winding. heavy short-circuited end rings. heavy copper or aluminium bars placed in rotor slots. single phase winding. ANSWER DOWNLOAD EXAMIANS APP
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