Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Dummy coils. Equalizer rings. Eye bolt. Commutator. Dummy coils. Equalizer rings. Eye bolt. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. get damaged. continue running in the same direction as before. run in a direction opposite to previous one. not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3-phase induction motor, torque and supply voltage are related as T ∝ V T ∝ 1/V T ∝ 1/V² T∝ V² T ∝ V T ∝ 1/V T ∝ 1/V² T∝ V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A cumulatively compounded dc motor delivers rated load power at rated speed. If the series field is short-circuited, then Ia remains constant but ωm increase both armature current Ia and speed ωm increase both decrese Ia increases and ωm decreses Ia remains constant but ωm increase both armature current Ia and speed ωm increase both decrese Ia increases and ωm decreses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc compound motor. dc series motor. dc shunt motor with field weakening. dc shunt with armature resistance control. dc compound motor. dc series motor. dc shunt motor with field weakening. dc shunt with armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase None of these supply frequency supply voltage rotor resistance None of these supply frequency supply voltage rotor resistance ANSWER DOWNLOAD EXAMIANS APP
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