Electrical Machines The overall power factor of an on load transformer is always lagging. is always leading. is always unity. depends on the power factor of the load. is always lagging. is always leading. is always unity. depends on the power factor of the load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will not run. run at lower speed. run at normal speed. burn. not run. run at lower speed. run at normal speed. burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their leakage reactance. percentage impedance. rating. efficiency. leakage reactance. percentage impedance. rating. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will any of the above. increase. remain constant. decrease. any of the above. increase. remain constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be four. two. six. three. four. two. six. three. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Ke is eddy current constant, Kf is form factor, f is supply frequency, Bm maximum flux density in core of transformer, the expression of eddy current loss in transformer, is given by KefKf2Bm2. Kef2Kf2Bm. Kef2KfBm2. Kef2Kf2Bm2. KefKf2Bm2. Kef2Kf2Bm. Kef2KfBm2. Kef2Kf2Bm2. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS