DC Motors In the dc motor the iron losses occur in Brushes Commutator Armature Field Brushes Commutator Armature Field ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at Half full load Full load No load None of the listed here Half full load Full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit None of these A capacitive circuit A highly resistive circuit A low resistance circuit None of these A capacitive circuit A highly resistive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Aids the applied voltage Aids the armature current None of the listed here Opposes the applied voltage Aids the applied voltage Aids the armature current None of the listed here Opposes the applied voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Lathe machine Centrifugal pump Air blower Locomotive Lathe machine Centrifugal pump Air blower Locomotive ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS