DC Generators The armature winding of a dc machine is place on the rotor to ______ Save iron Reduce losses Reduce armature reaction Facilitate commutation Save iron Reduce losses Reduce armature reaction Facilitate commutation ANSWER DOWNLOAD EXAMIANS APP
DC Generators The open circuit voltage of a compound generator is 250 V. At full load the terminal voltage May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V May be greater or less than 250 V Will be less than 250 V None of these Will always be 250 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators The greatest eddy current loss occurs in the _____ of a dc machine. Yoke Armature Commutating poles Field poles Yoke Armature Commutating poles Field poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators In D.C. generators on no-load, the air gap flux distribution in space is Pulsating Sinusoidal Flat topped Triangular Pulsating Sinusoidal Flat topped Triangular ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Paper Graphite Mica Insulating varnish Paper Graphite Mica Insulating varnish ANSWER DOWNLOAD EXAMIANS APP
DC Generators An 8 pole, 250 V, wave wound generator has 400 conductors. If the generator is to be lap wound, the number of conductors required is ______ 1600 800 3200 100 1600 800 3200 100 ANSWER DOWNLOAD EXAMIANS APP
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