Electrical Machines In DC generator on no-load, the air gap flux distribution in space is sinusoidal. triangular. flat topped. pulsating. sinusoidal. triangular. flat topped. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting the damper bars develop induction generator torque. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. the damper bars develop induction generator torque. the damper bars develop induction motor torque. the damper bars develop synchronous motor torque. negative sequence currents are generated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? DC series motor. Shunt motor. Separately compound motor. Synchronous motor. DC series motor. Shunt motor. Separately compound motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 4. 16. 32. 8. 4. 16. 32. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. None of these to interconnect three voltage systems. to carry extra load. to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. winding of transformer. transformer insulating oil. iron made tank of transformer. steel core in transformer. ANSWER DOWNLOAD EXAMIANS APP