Electrical Machines In salient pole synchronous machine, the reluctance power varies as cosδ sinδ sin2δ cos2δ cosδ sinδ sin2δ cos2δ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards brush axis. Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. Peaky in nature. Saddle shape. Triangular and directed towards main pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Differently compounded. Series. Shunt. Cummulative compound. Differently compounded. Series. Shunt. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole IM is supplied from a 50 Hz source. Calculate rotor frequency when rotor runs 600 rpm? 30 Hz. 35 Hz. Can be determined. 20 Hz. 30 Hz. 35 Hz. Can be determined. 20 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motors, there is large decrease in maximum power factor when the dispersion coefficient is ________________. decreased. remains same. increased. kept constant to certain value. decreased. remains same. increased. kept constant to certain value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 250 - 500 W. 50 - 150 W. 10 - 20 W. 200 - 250 W. 250 - 500 W. 50 - 150 W. 10 - 20 W. 200 - 250 W. ANSWER DOWNLOAD EXAMIANS APP