Electrical Machines If we increase the rotor reactance value, the maximum torque will not changed None of these increase decrease not changed None of these increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is paper mills. blowers. jaw crushers. lifts and hoists. paper mills. blowers. jaw crushers. lifts and hoists. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 4 KVA 10 KVA 6 KVA 0 KVA 4 KVA 10 KVA 6 KVA 0 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? Compounded DC generator. None of these. DC shunt generator. DC series generator. Compounded DC generator. None of these. DC shunt generator. DC series generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift increases in generators but decreases in motor with load. decreases in generators and increases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. decreases in generators and increases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to armature reaction. presence of commutator. high resistance of carbon brushes. reactance voltage. armature reaction. presence of commutator. high resistance of carbon brushes. reactance voltage. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS