Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Gas turbine Diesel engine Steam turbine Steam engine Gas turbine Diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine A transformer A rectifier None of the listed here A dc machine A transformer A rectifier None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. About the same as None of the listed here More than Less than About the same as None of the listed here More than Less than ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 400 Hz 50 Hz 60 Hz 500 Hz 400 Hz 50 Hz 60 Hz 500 Hz 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 Smaller than Greater than The same as None of the listed here Smaller than Greater than The same as ANSWER DOWNLOAD EXAMIANS APP