Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? 0 < S < 2 -2 < S < 2 -1 < S < 1 0 < S < 1 0 < S < 2 -2 < S < 2 -1 < S < 1 0 < S < 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Star - star Delta - star Delta - delta Star - delta Star - star Delta - star Delta - delta Star - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? Synchronous impedance method. ZPF method. MMf method. All of these Synchronous impedance method. ZPF method. MMf method. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Shunt Motor has disadvantage(s) of none of above. constant speed. less expensive. not suitable for rapidly changing loads. none of above. constant speed. less expensive. not suitable for rapidly changing loads. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Over-loading for long period. Periodic variation of load. Over-excitation. Small and constant load. Over-loading for long period. Periodic variation of load. Over-excitation. Small and constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 1.644 KW. 2.73 KW. 5.46 KW. 0.9103 KW. 1.644 KW. 2.73 KW. 5.46 KW. 0.9103 KW. ANSWER DOWNLOAD EXAMIANS APP