Electrical Machines Which of the following relation is correct? Xd = Xq. None of these Xd > Xq. Xd < Xq. Xd = Xq. None of these Xd > Xq. Xd < Xq. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. None of these Aame in both alternators. Turbo alternators. Hydro alternators. None of these Aame in both alternators. Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : 1. interpole windings are connected in series with armature windings 2. polarity of interpoles must be the same as that of the main poles in advance 3. distortion of the main field under the pole shoes is not affected by the use of interpoles From above, the correct answer is 2 and 3 1 alone 1 and 3 1 and 2 2 and 3 1 alone 1 and 3 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N1 : N2. 1 : 1. N12 : N22. none. N1 : N2. 1 : 1. N12 : N22. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. under trailing pole tip. under the interpole. pole core. under leading pole tip. under trailing pole tip. under the interpole. pole core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 3 %. 3.33 %. None of these 0 .001 %. 3 %. 3.33 %. None of these 0 .001 %. ANSWER DOWNLOAD EXAMIANS APP