Electrical Machines In a DC machine, the angle between the stator and rotor fields is dependent upon the load. 180o. 0o. 90o. dependent upon the load. 180o. 0o. 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous reactance( Xs) is the reactance either due to armature reaction or leakage flux reactance due to leakage flux combined reactance due to armature reaction and leakage flux reactance due to armature reaction of the machine reactance either due to armature reaction or leakage flux reactance due to leakage flux combined reactance due to armature reaction and leakage flux reactance due to armature reaction of the machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will None of these either increase or decrease increase decrease None of these either increase or decrease increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating windings is placed in which part of a D.C motor? None of these On yoke in the inter pole gap. On armature. On yoke in the pole faces. None of these On yoke in the inter pole gap. On armature. On yoke in the pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The fall in speed of the DC generator due to increase in load can be corrected by increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. increasing the excitation. cooling the armature. increasing the input to the prime mover. reducing the load voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? No wave and lap winding. Both wave and lap winding. Lap winding. Wave winding. No wave and lap winding. Both wave and lap winding. Lap winding. Wave winding. ANSWER DOWNLOAD EXAMIANS APP