DC Generators The real working part of a dc machine is the ______ None of the listed here Commutator Field winding Armature winding None of the listed here Commutator Field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz will be zero will be of v Hz 5 will be of 5 xiVHz will be of 5 Hz will be zero ANSWER DOWNLOAD EXAMIANS APP
DC Generators Carbon brushes are used in a dc machine because _______ Contact resistance is decreased None of the listed here Carbon lubricates and polishes the commutator Carbon is cheap Contact resistance is decreased None of the listed here Carbon lubricates and polishes the commutator Carbon is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Cast steel Silocon steel Soft iron Wrought iron Cast steel Silocon steel Soft iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be Less than 150 V 150 V Greater than 150 V None of these Less than 150 V 150 V Greater than 150 V None of these ANSWER DOWNLOAD EXAMIANS APP
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