Electrical Machines Equalizer rings are used in which of the followings? wave winding both 1 and 2 None of these lap winding wave winding both 1 and 2 None of these lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes 1/4 of the intial value 1/2 of the initial value 4 time the initial value twice the initial value 1/4 of the intial value 1/2 of the initial value 4 time the initial value twice the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC Series motor, speed lower than the rated speed can be obtained by Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in the armature circuit. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in the armature circuit. Connecting an additional resistance in stator circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 399 V. 100 V. 50 V. 230.2 V. 399 V. 100 V. 50 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is S.Ns Ns Nr Zero S.Ns Ns Nr Zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field system of an alternator is usually excited 110 / 220 V AC. 250 / 250 V DC. 230 V AC. 3 - Φ, 50 Hz and 400 V. 110 / 220 V AC. 250 / 250 V DC. 230 V AC. 3 - Φ, 50 Hz and 400 V. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS