Electrical Machines The heat generated in the transformer is dissipated mainly by convection. radiation. All of these conduction. convection. radiation. All of these conduction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. emf with distributed winding to emf with concentrated winding. None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. emf with distributed winding to emf with concentrated winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines How can the synchronous speed of a 3 - Φ IM be varied? By varying the supply frequency. By varying supply voltage. By varying number of poles. Both (A) and (B). By varying the supply frequency. By varying supply voltage. By varying number of poles. Both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. Highest speed of alternator is 600 rpm. 500 rpm. 3600 rpm. 3000 rpm. 600 rpm. 500 rpm. 3600 rpm. 3000 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have minimum resistance on primary side and maximum resistance on secondary side equal resistance on primary and secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side minimum resistance on primary side and maximum resistance on secondary side equal resistance on primary and secondary side no ohmic resistance on either side maximum resistance on primary side and least resistance on secondary side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor is used in paper machines? DC compound motor. DC Shunt motor. DC series motor. Separately excited DC motor. DC compound motor. DC Shunt motor. DC series motor. Separately excited DC motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS