Electrical Machines In DC generator on no-load, the air gap flux distribution in space is triangular. pulsating. sinusoidal. flat topped. triangular. pulsating. sinusoidal. flat topped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have less breakdown torque. leading power factor. more breakdown torque. higher efficiency. less breakdown torque. leading power factor. more breakdown torque. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 1 Hz 2HZ 2.5Hz 50Hz 1 Hz 2HZ 2.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 2 1 0 3 or 4 2 1 0 3 or 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. 266.20 N-m. 234.76 N-m. cant be determined. 133.22 N-m 266.20 N-m. 234.76 N-m. cant be determined. 133.22 N-m ANSWER DOWNLOAD EXAMIANS APP