Electrical Machines Regenerative braking is not found in which motor? DC series. DC compound. DC shunt. Induction motor. DC series. DC compound. DC shunt. Induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in dc machine provide ----------------- rectification? full wave full wave controlled half wave controlled half wave full wave full wave controlled half wave controlled half wave ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. magnetizing current. speed. power factor. air gap flux. magnetizing current. speed. power factor. air gap flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? none of these. Series. Compound (cummolative). Shunt. none of these. Series. Compound (cummolative). Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 1 - s. s. 2 - s. 2 + s. 1 - s. s. 2 - s. 2 + s. ANSWER DOWNLOAD EXAMIANS APP