DC Generators The commutator of a dc generator acts as An amplifier None of the listed here A rectifier A load An amplifier None of the listed here A rectifier A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars ANSWER DOWNLOAD EXAMIANS APP
DC Generators The real working part of a dc machine is the ______ Armature winding Commutator Field winding None of the listed here Armature winding Commutator Field winding None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Needle bearings Bush bearings Ball bearings Magnetic bearings Needle bearings Bush bearings Ball bearings 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 None of these 150 V Greater than 150 V Less than 150 V None of these 150 V Greater than 150 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine is made of Cast steel Soft iron Aluminum Silicon steel Cast steel Soft iron Aluminum Silicon steel ANSWER DOWNLOAD EXAMIANS APP
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