Electrical Machines In DC generator on no-load, the air gap flux distribution in space is flat topped. triangular. sinusoidal. pulsating. flat topped. triangular. sinusoidal. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? All of these compensating winding pole chamfering pole stacking All of these compensating winding pole chamfering pole stacking ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Compound. Series. Parallel. None of the options. Compound. Series. Parallel. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these both of above. AC. DC. None of these both of above. AC. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. armature circuit none of above both A and B shunt field armature circuit none of above both A and B shunt field 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. commutator with large number of segments. graphite brushes. carbon brushes. equalizer rings. commutator with large number of segments. graphite brushes. ANSWER DOWNLOAD EXAMIANS APP