DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.5 m 0.005 mm 5 m 0.05 mm 0.5 m 0.005 mm 5 m 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as A rectifier An amplifier None of the listed here A load A rectifier An amplifier None of the listed here A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators If residual magnetism is present in a D.C. generator, the induced e.m.f. at zero speed will be Zero The same as rated voltage Small High Zero The same as rated voltage Small High ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. About the same as None of the listed here More than Less than About the same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
DC Generators When two D.C. generators are running in parallel an equalizer bar is used To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. To reduce the combined effect of armature reaction of both the machines So that the two identical machines will pass approximately equal currents to the load To increase the series flux To increase the generated e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The ideal commutation in a coil is not possible because each coil has None of the listed here Inductance Resistance Capacitance None of the listed here Inductance Resistance Capacitance ANSWER DOWNLOAD EXAMIANS APP
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