Electrical Machines The brushes of a DC machine should be placed on the armature in the polar axis. commutator in the polar axis. armature midway between poles. commutator in the inter polar axis. armature in the polar axis. commutator in the polar axis. armature midway between poles. commutator in the inter polar axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt with armature resistance control. dc shunt motor with field weakening. dc series motor. dc compound motor. dc shunt with armature resistance control. dc shunt motor with field weakening. dc series motor. dc compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Equalizer rings. Dummy coils. Eye bolt. Commutator. Equalizer rings. Dummy coils. Eye bolt. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? On yoke in the pole faces. On armature. On yoke in the inter pole gap. None of these On yoke in the pole faces. On armature. On yoke in the inter pole gap. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.62. 0.72. 0.25. 1.24. 0.62. 0.72. 0.25. 1.24. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load None of these pure resistive load pure capacitive load pure inductive load None of these pure resistive load pure capacitive load ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS