DC Generators In a D.C. machine stray loss is the sum of Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss Iron loss and mechanical loss Total copper loss and mechanical loss Armature copper loss and iron loss Shunt field copper loss and mechanical loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature copper loss in a dc generator is a Variable loss None of the listed here Stray loss Constant loss Variable loss None of the listed here Stray loss Constant loss ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines To increase the generated e.m.f. To increase the series flux So that the two identical machines will pass approximately equal currents to the load To reduce the combined effect of armature reaction of both the machines ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Series generator only None of the listed here Both shunt and compound generator Shunt generator only Series generator only None of the listed here Both shunt and compound generator Shunt generator only ANSWER DOWNLOAD EXAMIANS APP
DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here Three times Two times the One-half of None of the listed here Three times Two times the One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Needle bearings Bush bearings Magnetic bearings Ball bearings Needle bearings Bush bearings Magnetic bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
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