Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged One fourth Double Half Unchanged One fourth Double Half ANSWER DOWNLOAD EXAMIANS APP
Alternators Where the terminal voltage of an alternator falls on throwing of the load, it indicates that the load is purely Resistive Capacitive None of the listed here Inductive Resistive Capacitive None of the listed here Inductive ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Small conductors can be used Magnetic losses are the minimum Higher terminal voltage is obtained Less turns of wire are required Small conductors can be used Magnetic losses are the minimum Higher terminal voltage is obtained Less turns of wire are required ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Rectifier Transformer None of the listed here Dc motor Rectifier Transformer None of the listed here Dc motor ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Steam turbine Reciprocating diesel engine Steam engine Francis turbine Steam turbine Reciprocating diesel engine Steam engine Francis turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 50 Hz 60 Hz 400 Hz 500 Hz 50 Hz 60 Hz 400 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
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