DC Generators The critical resistance of the D.C. generator is the resistance of Armature Load Field Brushes Armature Load Field Brushes ANSWER DOWNLOAD EXAMIANS APP
DC Generators In dc generator, the generated voltage depend upon Both speed and flux Speed only Flux only None of the listed here Both speed and flux Speed only Flux only None of the listed here 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 no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 11.3% 2.8% 4.5% 9.1% 11.3% 2.8% 4.5% 9.1% ANSWER DOWNLOAD EXAMIANS APP
DC Generators The efficiency of a dc generator is maximum when its variable loss is Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss Equal to half of constant loss None of the listed here Equal to Constant loss Equal to double the constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Reduce armature reaction Save iron Facilitate commutation Reduce losses Reduce armature reaction Save iron Facilitate commutation Reduce losses ANSWER DOWNLOAD EXAMIANS APP