Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 3.76%. 4.76%. 2.56 %. 2.57 %. 3.76%. 4.76%. 2.56 %. 2.57 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are copper loss. hysteresis loss. eddy current loss. both 2 and 3. copper loss. hysteresis loss. eddy current loss. both 2 and 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Mica. Vacuum. Glass. Oil impregnated paper. Mica. Vacuum. Glass. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers flux path completion mechanical protection to the machine produce working flux both A and B flux path completion mechanical protection to the machine produce working flux both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be flexible. any of these. stiff. hollow. flexible. any of these. stiff. hollow. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Cage induction motor. Shaded pole IM. Synchronous motors. Split phase IM. Cage induction motor. Shaded pole IM. Synchronous motors. Split phase IM. ANSWER DOWNLOAD EXAMIANS APP