DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage May be greater or less than 250 V None of these Will be less than 250 V Will always be 250 V May be greater or less than 250 V None of these Will be less than 250 V Will always be 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators A separately excited generator as compared to a self-excited generator Has exciting current independent of load current Has all above features Is amenable to better voltage control Is more stable Has exciting current independent of load current Has all above features Is amenable to better voltage control Is more stable ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator in order to reduce sparking at brushes, the self-induced e.m.f. in the coil is neutralized by all of the following except Interpoles Dummy coils Compensating winding Shifting of axis of brushes Interpoles Dummy coils Compensating winding Shifting of axis of brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a four-pole D.C. machine Alternate poles are north and south All the four poles are south poles Two north poles follow two south poles All the four poles are north poles Alternate poles are north and south All the four poles are south poles Two north poles follow two south poles All the four poles are north poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ None of the listed here Electric field Both electrical and magnetic fields Magnetic field None of the listed here Electric field Both electrical and magnetic fields Magnetic field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The number of brushes in a commutator depends on Speed of armature Voltage Amount of current to be collected Type of winding Speed of armature Voltage Amount of current to be collected Type of winding ANSWER DOWNLOAD EXAMIANS APP
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