Electrical Machines DC series motor is best suited for electric traction as It consume less power. It runs at very high speed at light load. It is cheaper in cost. It develops high starting torque. It consume less power. It runs at very high speed at light load. It is cheaper in cost. It develops high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slot wedges in a dc machine is made up of fibre. silicon steel. mild steel. cast iron. fibre. silicon steel. mild steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What happens if fifth multiples of harmonics is given to induction motor? Either short circuit or open circuit occurs. It will rotates in reverse direction. It will rotates in normal operation. Fail to start. Either short circuit or open circuit occurs. It will rotates in reverse direction. It will rotates in normal operation. Fail to start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of less maintenance. simple in construction. all of below. less cost. less maintenance. simple in construction. all of below. less cost. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of pole pairs. number of poles. number of commutator segments. number of parallel paths. number of pole pairs. number of poles. number of commutator segments. number of parallel paths. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC machine is made of silicon steel lamination to reduce hysteresis loss only. increase the permeability. reduce both eddy current and hysteresis loss. reduce eddy current loss only. reduce hysteresis loss only. increase the permeability. reduce both eddy current and hysteresis loss. reduce eddy current loss only. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS