Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to Ia2. 1/Ia. √Ia. Ia. Ia2. 1/Ia. √Ia. Ia. 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 Kef2Kf2Bm. KefKf2Bm2. Kef2KfBm2. Kef2Kf2Bm2. Kef2Kf2Bm. KefKf2Bm2. Kef2KfBm2. Kef2Kf2Bm2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control Above rated speed. In one direction only. Below rated speed. In both direction. Above rated speed. In one direction only. Below rated speed. In both direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high staring torque and high power factor. none. high staring torque only. high power factor only. high staring torque and high power factor. none. high staring torque only. high power factor only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. over compounded. shunt. differential compounded. under-compounded. over compounded. shunt. differential compounded. under-compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breather is provided in a transformer to provide cold air in transformer. absorb moisture of air during breathing. filter the transformer oil. absorb moisture from air entering in transformer. provide cold air in transformer. absorb moisture of air during breathing. filter the transformer oil. absorb moisture from air entering in transformer. ANSWER DOWNLOAD EXAMIANS APP
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