Electrical Machines Exciting current of an induction motor is lesser than power transformer. equal as power transformer. none of these. higher than power transformer. lesser than power transformer. equal as power transformer. none of these. higher than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a Dc generator the magnetic neutral axis coincide with geometrical neutral axis, when the generator runs on designed speed. the generator runs on full load. the generator runs on overload. there is no load on the generator. the generator runs on designed speed. the generator runs on full load. the generator runs on overload. there is no load on the generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 950 rpm 940 rpm 975 rpm 1000 rpm 950 rpm 940 rpm 975 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of starting winding. reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of starting winding. reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC Shunt motor. Synchronous motor. DC compound motor. DC series motor. DC Shunt motor. Synchronous motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to auto transformer. two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. None of these auto transformer. two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. None of these ANSWER DOWNLOAD EXAMIANS APP