Alternators In an alternator the armature reaction is mainly influenced by The power factor of the load Total current drawn Short circuit ratio Speed of the alternator The power factor of the load Total current drawn Short circuit ratio Speed of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 times smaller than 5 times smaller than 10 to 100 times greater than 5 times greater than 10 times smaller than 5 times smaller than 10 to 100 times greater than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 60 Hz 120 Hz None of the listed here 50 Hz 60 Hz 120 Hz None of the listed here 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of cycles generated in a 6-pole alternators in one revolution is _______ 3 50 None of the listed here 6 3 50 None of the listed here 6 ANSWER DOWNLOAD EXAMIANS APP
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