Electrical Machines The no load and full load speed of DC mototr are 1400 rpm and 1200 rpm respectively. What is the percentage speed regulation of the motor? 18.25%. 15.30%. 14.28%. 16.67%. 18.25%. 15.30%. 14.28%. 16.67%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as V² f f² V V² f f² V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives copper loss hysteresis loss both 1and 2 eddy current loss copper loss hysteresis loss both 1and 2 eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are used for lathes? Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. Cage induction motor. DC shunt motors. Either A or B. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these On yoke in the inter pole gap. On yoke in the pole faces. On armature. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of constant speed. none of above. less expensive. not suitable for rapidly changing loads. constant speed. none of above. less expensive. not suitable for rapidly changing loads. ANSWER DOWNLOAD EXAMIANS APP