DC Generators The yoke of a dc machine carries ______ pole flux. None of the listed here Two times the Three times One-half of None of the listed here Two times the Three times One-half of ANSWER DOWNLOAD EXAMIANS APP
DC Generators The insulating material used between the commutator segments is normally Insulating varnish Paper Mica Graphite Insulating varnish Paper Mica Graphite ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following will not prevent a self excited shunt generator from building upto its full voltage? Wrong direction of rotation No residual magnetism Speed too high Open field Wrong direction of rotation No residual magnetism Speed too high Open field ANSWER DOWNLOAD EXAMIANS APP
DC Generators Inter-pole flux should be sufficient to None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux None of these Neutralize both the armature reaction flux as well as commutating e.m.f. induced in the coil Neutralize the commutating self induced e.m.f. Neutralize the armature reaction flux ANSWER DOWNLOAD EXAMIANS APP
DC Generators As a result of armature reaction, the reduction in the total mutual air gap flux in a D.C. generator is approximately 25 percent 5 percent 10 percent 40 percent 25 percent 5 percent 10 percent 40 percent ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, the eddy current power loss is None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination None of the listed here Inversely proprtional to thickness of each lamination Directly proportional to thickness of each lamination Directly proportional to sqaure of thickness of each lamination ANSWER DOWNLOAD EXAMIANS APP
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