DC Generators The size of a dc generator can be reduced by using ______ Iron commutator High resistance winding material Lap winding Magnetic material of high permeability Iron commutator High resistance winding material Lap winding Magnetic material of high permeability 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 Which of the following generator provides approximately constant voltage from no load to full load? Flat compounded Over compounded Series Shunt Flat compounded Over compounded Series Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be 150 V Greater than 150 V None of these Less than 150 V 150 V Greater than 150 V None of these Less than 150 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Insulating varnish Graphite Mica Paper Insulating varnish Graphite Mica Paper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The overall efficiency of a dc generator is maximum when its variable loss is equal to Stray loss Constant loss Iron loss Mechanical loss Stray loss Constant loss Iron loss Mechanical loss ANSWER DOWNLOAD EXAMIANS APP
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