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 Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Load current only Power factor only None of the listed here Both load current and pf Load current only Power factor only None of the listed here Both load current and pf ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 8-pole None of the listed here 4-pole 2-pole 8-pole None of the listed here 4-pole 2-pole 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 Inductive Resistive Capacitive None of the listed here Inductive Resistive Capacitive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 15000 rpm 1500 rpm 3000 rpm 5000 rpm 15000 rpm 1500 rpm 3000 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP