DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars All of these Abrasion from dust Excessive spring pressure Rough commutator bars All of these Abrasion from dust ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on All of the listed here Cross sectional area of the conductor Number of conductors Length of conductor All of the listed here Cross sectional area of the conductor Number of conductors Length of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Magnetic bearings Ball bearings Needle bearings Bush bearings Magnetic bearings Ball bearings Needle bearings Bush bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A rectifier A load An amplifier None of the listed here A rectifier A load An amplifier ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon Both speed and flux Speed only None of the listed here Flux only Both speed and flux Speed only None of the listed here Flux only ANSWER DOWNLOAD EXAMIANS APP
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