DC Generators Which of the following generating machine will offer constant voltage on all loads? Self-excited generator Level compounded generator Separately excited generator All of these Self-excited generator Level compounded generator Separately excited generator All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators With a D.C. generator which of the following regulation is preferred? 50% regulation 100% regulation 1% regulation Infinite regulation 50% regulation 100% regulation 1% regulation Infinite regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? No residual magnetism Wrong direction of rotation Open field Speed too high No residual magnetism Wrong direction of rotation Open field Speed too high ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature winding of a dc machine is place on the rotor to ______ Facilitate commutation Reduce armature reaction Save iron Reduce losses Facilitate commutation Reduce armature reaction Save iron Reduce losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Mica Insulating varnish Graphite Paper Mica Insulating varnish Graphite Paper ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 40 percent 10 percent 5 percent 25 percent 40 percent 10 percent 5 percent 25 percent ANSWER DOWNLOAD EXAMIANS APP