Alternators The synchronous reactance of an alternator is due to ______ Armature reaction Leakage flux None of the listed here Dc field excitation Armature reaction Leakage flux None of the listed here Dc field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Gas turbine Diesel engine Steam engine Steam turbine Gas turbine Diesel engine Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Unchanged Half Double One fourth Unchanged Half Double ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Power factor only Both load current and pf None of the listed here Load current only Power factor only Both load current and pf None of the listed here Load current only ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 50 Hz 400 Hz 500 Hz 60 Hz 50 Hz 400 Hz 500 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
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