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 field winding of an alternator is _____ excited. AC DC Both DC and AC None of the listed here AC DC Both DC and AC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators It limits the value of short circuit current None of the listed here It reduces the construction cost We employ automatic voltage regulators ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Forged steel Cast iron Laminated stainless steel Manganese steel Forged steel Cast iron Laminated stainless steel Manganese steel ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required Magnetic losses are the minimum Higher terminal voltage is obtained Small conductors can be used Less turns of wire are required Magnetic losses are the minimum ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 3000 rpm 1500 rpm 5000 rpm 15000 rpm 3000 rpm 1500 rpm 5000 rpm 15000 rpm ANSWER DOWNLOAD EXAMIANS APP
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