Electrical Machines Which of the following DC Motor requires 3 point starter? Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current Decreases. Increases. Remains unchanged. None of above. Decreases. Increases. Remains unchanged. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In star-delta starting of squirrel cage induction motor compared to DOL starting the starting current and torque are 1/3, 1/3 1/√3, 1/√3 1/3, 1/√3 1/√3, 1/3 1/3, 1/3 1/√3, 1/√3 1/3, 1/√3 1/√3, 1/3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor when the length of the air gap is increased, the magnetizing current of the motor increases while the short circuit current __________________. increased. remains unchanged. decreased. kept constant to certain value. increased. remains unchanged. decreased. kept constant to certain value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? None of the options. Compound. Series. Parallel. None of the options. Compound. Series. Parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? Induction motor. DC compound. DC series. DC shunt. Induction motor. DC compound. DC series. DC shunt. ANSWER DOWNLOAD EXAMIANS APP