Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. 500 rpm. 3000 rpm. 3600 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? +3% -3% -3.33% +3.33% +3% -3% -3.33% +3.33% 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 1 alone 1 and 2 1 and 3 2 and 3 1 alone 1 and 2 1 and 3 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in iron made tank of transformer. winding of transformer. steel core in transformer. transformer insulating oil. iron made tank of transformer. winding of transformer. steel core in transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic field neutral plane. Magnetic neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic field neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f1.6 f³ f f² f1.6 f³ f f² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS