Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised parabola any of the above hyperbola linearised parabola any of the above hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of not suitable for rapidly changing loads. less expensive. constant speed. none of above. not suitable for rapidly changing loads. less expensive. constant speed. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? Wave winding None of above Both lap and wave winding Lap winding Wave winding None of above Both lap and wave winding Lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means None of these increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. neutralization of residual magnetism. None of these increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. neutralization of residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of both 1 and 2. emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. None of these both 1 and 2. emf with distributed winding to emf with concentrated winding. emf with concentrated winding to emf with distributed winding. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an AC servomotor has one of its winding excited by AC, then voltage measured at the other winding with rotor running will be constant independent of speed. proportional to square of rotor speed. proportional to rotor speed. zero. constant independent of speed. proportional to square of rotor speed. proportional to rotor speed. zero. ANSWER DOWNLOAD EXAMIANS APP