Electrical Machines The short circuit test on a transformer is conducted to obtain hysteresis loss. copper losses. eddy current loss. core loses only. hysteresis loss. copper losses. eddy current loss. core loses only. 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 For power factor improvement the synchronous motor is to be heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited lightly loaded and over excited heavily loaded and underexcited heavily loaded and over excited lightly loaded and underecited lightly loaded and over excited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is DC None of these AC and DC AC DC None of these AC and DC AC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? a positive finite value a finite negative value 0 ∞ a positive finite value a finite negative value 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the both of the above. weight of the stator. hysteresis loss. eddy current loss. both of the above. weight of the stator. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS