DC Generators With a D.C. generator which of the following regulation is preferred? Infinite regulation 100% regulation 50% regulation 1% regulation Infinite regulation 100% regulation 50% regulation 1% regulation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine is made of ______ Soft iron Silocon steel Cast steel Wrought iron Soft iron Silocon steel Cast steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
DC Generators Open circuited armature coil of a D.C. machine is None of these Indicated by a spark completely around the commutator Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected None of these Indicated by a spark completely around the commutator Both of the listed here Identified by the scarring of the commutator segment to which open circuited coil is connected ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 2 V 20 V 0.1 V 10 V 2 V 20 V 0.1 V 10 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The rapid wear of brushes takes place due to Rough commutator bars Abrasion from dust Excessive spring pressure All of these Rough commutator bars Abrasion from dust Excessive spring pressure All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. machine stray loss is the sum of Armature copper loss and iron loss Total copper loss and mechanical loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss Armature copper loss and iron loss Total copper loss and mechanical loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP