Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than 5 times greater than 10 times smaller than 10 to 100 times greater than 5 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Same diameter and axial length Small diameter and long axial length Large diameter and long axial length Large diameter and small axial length Same diameter and axial length Small diameter and long axial length Large diameter and long axial length Large diameter and small axial length ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.76 0.85 0.65 0.995 0.76 0.85 0.65 0.995 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 Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. None of the listed here Steam turbines Diesel engines Hydraulic turbines None of the listed here Steam turbines Diesel engines Hydraulic turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. None of the listed here 4-pole 8-pole 2-pole None of the listed here 4-pole 8-pole 2-pole ANSWER DOWNLOAD EXAMIANS APP
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