DC Generators The current in armature conductors of a dc machine is ______ Pure dc Pure dc plus pulsating dc Ac Pulsating dc Pure dc Pure dc plus pulsating dc Ac Pulsating dc ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a short shunt compound wound generator, the shunt field is connected in parallel with Armature Series field Parallel combination of armature and series field Series combination of armature and series field Armature Series field Parallel combination of armature and series field Series combination of armature and series field ANSWER DOWNLOAD EXAMIANS APP
DC Generators The resistance of armature winding depends on Number of conductors All of the listed here Length of conductor Cross sectional area of the conductor Number of conductors All of the listed here Length of conductor Cross sectional area of the conductor ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator pitch for simplex lap winding is equal to Numbers of poles in the machine 1 None of the listed here Number of pairs of poles Numbers of poles in the machine 1 None of the listed here Number of pairs of poles ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by None of these Permanent magnets Electromagnets Both (A) and (B) None of these Permanent magnets Electromagnets Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP