DC Generators The rapid wear of brushes takes place due to Excessive spring pressure Rough commutator bars Abrasion from dust All of these Excessive spring pressure Rough commutator bars Abrasion from dust All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a cummulative compounded generator the shunt and series fields ______ each other. Aid Oppose None of the listed here Sometime aid, sometime oppose Aid Oppose None of the listed here Sometime aid, sometime oppose ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature reaction 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 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Field poles Commutating poles Yoke Armature Field poles Commutating poles Yoke Armature ANSWER DOWNLOAD EXAMIANS APP
DC Generators The critical resistance of the D.C. generator is the resistance of Load Brushes Armature Field Load Brushes Armature Field ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading ANSWER DOWNLOAD EXAMIANS APP
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