Electrical Machines A delta/star transformer is connected in parallel to a star/delta transformer. The turn ratio former is x times latter, the x is 1/3 1/√3 3 √3 1/3 1/√3 3 √3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? DC motor. 1 - Φ synchronous motor. Stepper motor. 3 - Φ induction motor. DC motor. 1 - Φ synchronous motor. Stepper motor. 3 - Φ induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Zero Synchronous speed Slip speed None of these Zero Synchronous speed Slip speed None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : Interpoles in dc machines 1. reducearmature reaction effects in the interpolar region 2. have the same dimension as main polls 3. have their windings connected in series with the armature 4. have same number of turns as the armature 5. have the polarity same as that of the main pole ahead in a motor From these, the correct statements are 1 and 3 1, 2 and 3 1, 2, 3 and 5 1, 3 and 5 1 and 3 1, 2 and 3 1, 2, 3 and 5 1, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shaded pole single phase induction motor can be used for personal computers as cooling fan food mixers wet grinders tape recorders personal computers as cooling fan food mixers wet grinders tape recorders ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through solid connection. commutator. none of above. slip rings. solid connection. commutator. none of above. slip rings. ANSWER DOWNLOAD EXAMIANS APP