Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded unshaded, unshaded shaded, unshaded shaded, shaded unshaded, shaded unshaded, unshaded shaded, unshaded shaded, shaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the ripples in the direct emf generated are reduced by employing carbon brushes. equalizer rings. graphite brushes. commutator with large number of segments. carbon brushes. equalizer rings. graphite brushes. commutator with large number of segments. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase breaking torque. cost of operation. starting torque. power factor. breaking torque. cost of operation. starting torque. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in delta. star. None of these delta or star according to need. delta. star. None of these delta or star according to need. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Ampere's law. Fleming's left hand rule. Fleming's right hand rule. Lenz's law. Ampere's law. Fleming's left hand rule. Fleming's right hand rule. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to unity. infinity. zero. two. unity. infinity. zero. two. ANSWER DOWNLOAD EXAMIANS APP