Electrical Machines The induction motor shaft is made of stainless steel. mild steel. cast iron. aluminium. stainless steel. mild steel. cast iron. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V. 222 V. 225 V. 230 V. 220 V. 222 V. 225 V. 230 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. All of these to avoid over heating. to avoid locking of the armature. to achieve a stronger magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors has negative speed regulation? Series motors. Differential compound motors. Both B and C. Shunt motors. Series motors. Differential compound motors. Both B and C. Shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. copper loss at any load. copper loss at full load. copper loss at over load. copper loss at half load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 100. 200. 500. 750. 100. 200. 500. 750. ANSWER DOWNLOAD EXAMIANS APP