Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Field excitation of alternators None of the listed here Driving torques of prime movers Phase sequence Field excitation of alternators None of the listed here Driving torques of prime movers Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators, now a days, are designed to have poor regulation because It reduces the construction cost It limits the value of short circuit current None of the listed here We employ automatic voltage regulators It reduces the construction cost It limits the value of short circuit current None of the listed here We employ automatic voltage regulators ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ Hydraulic turbines Steam turbines Steam engine None of the listed here Hydraulic turbines Steam turbines Steam engine None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 500 rpm 1000 rpm 1500 rpm 3000 rpm 500 rpm 1000 rpm 1500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Remains the same Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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