Electrical Machines Select the motor that should not be started on no load? Series motor. Brushless DC motor. Compound motor. Shunt motor. Series motor. Brushless DC motor. Compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor during DC rheostatic braking is 2 + s. 2 - s. s. 1 - s. 2 + s. 2 - s. s. 1 - s. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field system has to be provided on stator unlike synchronous machines Where in it could be on any member, because it gives more uniform air-gap flux distribution it reduces field structure iron losses dc machines are comparatively low rating machines. commutator action is not possible otherwise it gives more uniform air-gap flux distribution it reduces field structure iron losses dc machines are comparatively low rating machines. commutator action is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of silicon steel. closed grained cast iron. stainless steel. aluminium. silicon steel. closed grained cast iron. stainless steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, MVA rating of all transformer inversely proportional to impedance. voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. polarities of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. polarities of all transformers must be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In series with the armature winding. In parallel with the field winding. In parallel with the armature winding. As a separate unit. In series with the armature winding. In parallel with the field winding. In parallel with the armature winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
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