DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction Commutation Armature resistance drop Field weakening due to armature reaction and armature Armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Soft iron Aluminum Cast steel Silicon steel Soft iron Aluminum Cast steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to None of these Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. None of these Neutralize the armature reaction flux Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south Two north poles follow two south poles All the four poles are south poles All the four poles are north poles Alternate poles are north and south ANSWER DOWNLOAD EXAMIANS APP
DC Generators In lap winding, the number of brushes is always Same as the number of poles Two Half the number of poles Double the number of poles Same as the number of poles Two Half the number of poles Double the number of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has Resistance Capacitance None of the listed here Inductance Resistance Capacitance None of the listed here Inductance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS