Alternators Three phase alternators are invariably star commected because 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 Small conductors can be used Magnetic losses are the minimum Higher terminal voltage is obtained ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. Less than None of the listed here About the same as More than Less than None of the listed here About the same as More than ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz None of the listed here 120 Hz 60 Hz 50 Hz None of the listed here 120 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Iron and friction losses of an alternator can be measured by a None of the listed here Transformer Rectifier Dc motor None of the listed here Transformer Rectifier Dc motor ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm None of the listed here 1500 rpm 500 rpm 1000 rpm None of the listed here 1500 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Zero Leading Unity Lagging Zero Leading Unity Lagging ANSWER DOWNLOAD EXAMIANS APP