Alternators The field winding of an alternator is _____ excited. Both DC and AC AC DC None of the listed here Both DC and AC AC DC None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Magnetic losses are the minimum Less turns of wire are required Small conductors can be used Higher terminal voltage is obtained Magnetic losses are the minimum Less turns of wire are required Small conductors can be used Higher terminal voltage is obtained ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Smaller than Greater than None of the listed here The same as Smaller than Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator is somtimes called _______ generator. Asynchronous Rosenberg None of the listed here Synchronous Asynchronous Rosenberg None of the listed here Synchronous ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Increasing the speed of prime movers Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS