Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. None of the listed here Less than More than About the same as None of the listed here Less than More than About the same as ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ Generally delta connected None of the listed here Star-delta connected Always star connected Generally delta connected None of the listed here Star-delta connected Always star connected ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Hydraulic turbines Steam engine Steam turbines None of the listed here Hydraulic turbines Steam engine Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Increases Decreases None of the listed here Remains the same Increases Decreases None of the listed here Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half One fourth Unchanged Double Half One fourth Unchanged Double 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
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