Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Armature resistance. Field resistance. Residual magnetism of the generator. None of above. Armature resistance. Field resistance. Residual magnetism of the generator. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ___________________ generator has the poorest voltage regulation. over compounded. under-compounded. differential compounded. shunt. over compounded. under-compounded. differential compounded. shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC motor under constant terminal voltage what is the relation between torque (Te) and power (P) T∝ P³ T is independent of P T∝ P² T∝ P T∝ P³ T is independent of P T∝ P² T∝ P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature flux is.............with respect to main field flux or main field poles? stationary rotates same direction rotates opposite direction None of these stationary rotates same direction rotates opposite direction None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is co- sinusoidal sinusoidal flat-topped rectangular co- sinusoidal sinusoidal flat-topped rectangular ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low current rating which winding is employed to DC machine? None of above Both lap and wave winding Wave winding Lap winding None of above Both lap and wave winding Wave winding Lap winding ANSWER DOWNLOAD EXAMIANS APP
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