Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 500 rpm 1000 rpm 1500 rpm None of the listed here 500 rpm 1000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A transformer A dc machine None of the listed here A rectifier A transformer A dc machine None of the listed here A rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases None of the listed here Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Francis turbine Reciprocating diesel engine Steam turbine Steam engine Francis turbine Reciprocating diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Leakage flux Dc field excitation Armature reaction None of the listed here Leakage flux Dc field excitation Armature reaction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS