Electrical Machines The armature of DC motor is laminated to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. to reduce the mass. to reduce the hysteresis loss. to reduce the eddy current loss. to reduce the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in series motors None of these shunt motors either of these series motors None of these shunt motors either of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by armature winding commutator field winding starters armature winding commutator field winding starters ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be 88.8%. 48.0%. 57.1%. 59.2%. 88.8%. 48.0%. 57.1%. 59.2%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The overall power factor of an on load transformer is always unity. depends on the power factor of the load. is always lagging. is always leading. is always unity. depends on the power factor of the load. is always lagging. is always leading. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. All of this. Lathes. Centrifugal pumps Blowers and fans. All of this. Lathes. Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS