Electrical Machines An ideal synchronous motor has no starting torque because relative velocity between stator and rotor mmf’s is not zero. relative velocity between the stator and rotor mmf’s is zero. rotor winding is highly reactive. rotor is made up of salient poles. relative velocity between stator and rotor mmf’s is not zero. relative velocity between the stator and rotor mmf’s is zero. rotor winding is highly reactive. rotor is made up of salient poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? 6. 4. 2. data provided is insufficient. 6. 4. 2. data provided is insufficient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is infinite value 1 0 finite value infinite value 1 0 finite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 0° 90° Greater than 90° less than 90° 0° 90° Greater than 90° less than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. sipper. rotor can not have any laminations. thicker. thinner. sipper. rotor can not have any laminations. thicker. thinner. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these Both 1 and 2. The leakage reactance of the induction motor should be small. A small value of leakage reactance will increase the maximum power output of motor. None of these Both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP