Electrical Machines What does happen if tripled harmonics given to induction motor? Nothing will happen. Will results in open circuit. Will results in short circuit. Fail to start. Nothing will happen. Will results in open circuit. Will results in short circuit. Fail to start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve starting torque improve the power factor All of these reduce hunting improve starting torque improve the power factor All of these reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be any of these. stiff. flexible. hollow. any of these. stiff. flexible. hollow. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. there is no hard and fast rule for this. lie under north pole. lie under south pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under north pole. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 10 5 12 24 10 5 12 24 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 2 pole. 6 pole. 4 pole. 8 pole. 2 pole. 6 pole. 4 pole. 8 pole. ANSWER DOWNLOAD EXAMIANS APP