Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ Generally delta connected Star-delta connected None of the listed here Always star connected Generally delta connected Star-delta connected None of the listed here Always star connected ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. None of the listed here The same as Greater than Smaller than None of the listed here The same as Greater than Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine None of the listed here A rectifier A transformer A dc machine None of the listed here A rectifier A transformer ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Unity Positive Negative Zero Unity Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP