Electrical Machines In a DC Motor 3 point starter is used to all of above. provide protection against Low-Voltage. limit the starting current to a safer value. provide overload protection. all of above. provide protection against Low-Voltage. limit the starting current to a safer value. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to less than the width of commutator segment. the width of the 2 to 3 commutator segment. the width of the 1 to 2 commutator segment. the width more than 3 commutator segment. less than the width of commutator segment. the width of the 2 to 3 commutator segment. the width of the 1 to 2 commutator segment. the width more than 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 1.1. 20. 0.905. 0.05. 1.1. 20. 0.905. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 2 1 3 or 4 0 2 1 3 or 4 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be pulsating and unidirectional oscillating steady and unidirectional None of these pulsating and unidirectional oscillating steady and unidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? DC differential compound motor. Synchronous motor. Slip ring induction motor. Stepper motor. DC differential compound motor. Synchronous motor. Slip ring induction motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
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