Alternators The synchronous reactance of an alternator is due to ______ Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current We employ automatic voltage regulators It reduces the construction cost None of the listed here It limits the value of short circuit current 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. 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 Decreasing the field excitation Increasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than None of the listed here The same as Greater than Smaller than None of the listed here The same as Greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on None of the listed here Power factor only Both load current and pf Load current only None of the listed here Power factor only Both load current and pf Load current only ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Both rotative speed and number of poles Number of poles only Rotative speed only None of the listed here Both rotative speed and number of poles Number of poles only Rotative speed only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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