Electrical Machines Larger values of air flux density is taken while designing IM for both. none. larger bore diameter. larger output. both. none. larger bore diameter. larger output. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 90°. 30°. 60°. 120°. 90°. 30°. 60°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 80. 50. 36. 18. 80. 50. 36. 18. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers low resistance and high reactance. high resistance and low reactance. low resistance and low reactance. high resistance and high reactance. low resistance and high reactance. high resistance and low reactance. low resistance and low reactance. high resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous reactance of an alternator represents All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance All of these field winding reactance a reactance operating at synchronous speed armature reactance and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. tertiary winding. only series field winding. only shunt field winding. both shunt and series field winding. ANSWER DOWNLOAD EXAMIANS APP