DC Generators ______ dc machine are most common. 4 pole 8 pole 6 pole 2 pole 4 pole 8 pole 6 pole 2 pole 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 The same as rated voltage Zero Small High The same as rated voltage Zero Small High ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Mica Graphite Paper Insulating varnish Mica Graphite Paper Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main drawback of a dc shunt generator is that It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small It is expensive Terminal voltage drops considerably Shunt field circuit has high resistance Generated voltage is small ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a practical dc generator, mechanical efficiency is More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here More than electrical efficiency Equal to electrical efficiency Less than electrical efficiency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The physical size of 100 kW, 2000 rpm generator is _____ that of 10 kW, 200 rpm generator. None of the listed here Less than More than About the same as None of the listed here Less than More than About the same as ANSWER DOWNLOAD EXAMIANS APP
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