Electrical Machines The heat generated in the transformer is dissipated mainly by conduction. radiation. convection. All of these conduction. radiation. convection. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two windings provided on the stator of 1-phase induction motor, one main winding and the other auxiliary winding are connected through inductive coupling either of these depending on the design of the motor in parallel in series through inductive coupling either of these depending on the design of the motor in parallel in series ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? unity slip low slip region both 1 and 2 high slip region unity slip low slip region both 1 and 2 high slip region ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called skewing. slip. cogging. crawling. skewing. slip. cogging. crawling. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the necessary conditions for voltage build up in self excited generator? All of these Poles should contain residual flux. Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. All of these Poles should contain residual flux. Field winding should be properly connected to armature winding. Field winding resistance should be less than critical resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will run at very low speed. burn. start haunting. run at very high speed. run at very low speed. burn. start haunting. run at very high speed. ANSWER DOWNLOAD EXAMIANS APP