Electrical Machines Example of double excited machine is Both are correct. DC Shunt Motor Synchronous motor. None of these Both are correct. DC Shunt Motor Synchronous motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotive which of the following motor are used ? Synchronous motor. Shunt motor. Separately compound motor. DC series motor. Synchronous motor. Shunt motor. Separately compound motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply frequency rotor resistance supply voltage None of these supply frequency rotor resistance supply voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When applied rated voltage per phase is reduce to one half, the starting torque of three phase squirrel cage induction motor becomes 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value 1/2 of the initial value 4 time the initial value 1/4 of the intial value twice the initial value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. sinusoidal. flat topped. triangular. pulsating. sinusoidal. flat topped. triangular. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is reduced, the power factor is leading power factor unity power factor lagging power factor None of these leading power factor unity power factor lagging power factor None of these ANSWER DOWNLOAD EXAMIANS APP