Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? Stepper motor. DC differential compound motor. Synchronous motor. Slip ring induction motor. Stepper motor. DC differential compound motor. Synchronous motor. Slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on rotor speed. core loss component. synchronous speed. shaft torque. rotor speed. core loss component. synchronous speed. shaft torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through induction process only. conduction process only. None of these both A and B. induction process only. conduction process only. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an cummulative compound motor. shunt motor. AC synchronous motor. series motor. cummulative compound motor. shunt motor. AC synchronous motor. series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Differential compound motor Cumulative compound motors Shunt motor Series motor Differential compound motor Cumulative compound motors Shunt motor Series motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to any of above. failure of insulation between two commutator bars. failure of insulation between two turns of coil. grounding of two or more turns of the same coil. any of above. failure of insulation between two commutator bars. failure of insulation between two turns of coil. grounding of two or more turns of the same coil. ANSWER DOWNLOAD EXAMIANS APP
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