Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 192 rad/s 118 rad/s 212 rad/s 157 rad/s 192 rad/s 118 rad/s 212 rad/s 157 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be None of the listed here Unity Sum of the output of two Zero None of the listed here Unity Sum of the output of two Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading None of the listed here Pf becomes more lagging Output kW will change Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Higher terminal voltage is obtained Small conductors can be used Magnetic losses are the minimum Less turns of wire are required Higher terminal voltage is obtained Small conductors can be used Magnetic losses are the minimum Less turns of wire are required 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 speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
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